CINXE.COM
A Guide to U.S. Retail Pricing Laws and Regulations | NIST
<!DOCTYPE html> <html lang="en" dir="ltr" prefix="content: http://purl.org/rss/1.0/modules/content/ dc: http://purl.org/dc/terms/ foaf: http://xmlns.com/foaf/0.1/ og: http://ogp.me/ns# rdfs: http://www.w3.org/2000/01/rdf-schema# schema: http://schema.org/ sioc: http://rdfs.org/sioc/ns# sioct: http://rdfs.org/sioc/types# skos: http://www.w3.org/2004/02/skos/core# xsd: http://www.w3.org/2001/XMLSchema# "> <head><script type="text/javascript" src="/_static/js/bundle-playback.js?v=HxkREWBo" charset="utf-8"></script> <script type="text/javascript" src="/_static/js/wombat.js?v=txqj7nKC" charset="utf-8"></script> <script>window.RufflePlayer=window.RufflePlayer||{};window.RufflePlayer.config={"autoplay":"on","unmuteOverlay":"hidden"};</script> <script type="text/javascript" src="/_static/js/ruffle/ruffle.js"></script> <script type="text/javascript"> __wm.init("https://web.archive.org/web"); __wm.wombat("https://www.nist.gov/pml/owm/laws-and-regulations/retail-and-unit-pricing-laws","20230208081314","https://web.archive.org/","web","/_static/", "1675843994"); </script> <link rel="stylesheet" type="text/css" href="/_static/css/banner-styles.css?v=S1zqJCYt" /> <link rel="stylesheet" type="text/css" href="/_static/css/iconochive.css?v=3PDvdIFv" /> <!-- End Wayback Rewrite JS Include --> <meta charset="utf-8"/><script type="text/javascript">(window.NREUM||(NREUM={})).init={ajax:{deny_list:["gov-bam.nr-data.net"]}};(window.NREUM||(NREUM={})).loader_config={licenseKey:"37b7ccb661",applicationID:"1089704227"};;(()=>{var e,t,r={9071:(e,t,r)=>{"use strict";r.d(t,{I:()=>n});var n=0,i=navigator.userAgent.match(/Firefox[\/\s](\d+\.\d+)/);i&&(n=+i[1])},6900:(e,t,r)=>{"use strict";let n;if(r.d(t,{H:()=>i}),r(2374).il){const e=document.createElement("div");e.innerHTML="\x3c!--[if lte IE 6]><div></div><![endif]--\x3e\x3c!--[if lte IE 7]><div></div><![endif]--\x3e\x3c!--[if lte IE 8]><div></div><![endif]--\x3e\x3c!--[if lte IE 9]><div></div><![endif]--\x3e",n=e.getElementsByTagName("div").length}var i;i=4===n?6:3===n?7:2===n?8:1===n?9:0},6562:(e,t,r)=>{"use strict";r.d(t,{P_:()=>h,Mt:()=>v,C5:()=>d,DL:()=>w,OP:()=>B,lF:()=>V,Yu:()=>A,Dg:()=>p,CX:()=>l,GE:()=>y,sU:()=>M});var n={};r.r(n),r.d(n,{agent:()=>O,match:()=>_,version:()=>S});var i=r(6797),o=r(909),a=r(8610);class s{constructor(e,t){try{if(!e||"object"!=typeof e)return(0,a.Z)("New setting a Configurable requires an object as input");if(!t||"object"!=typeof t)return(0,a.Z)("Setting a Configurable requires a model to set its initial properties");Object.assign(this,t),Object.entries(e).forEach((e=>{let[t,r]=e;const n=(0,o.q)(t);n.length&&r&&"object"==typeof r&&n.forEach((e=>{e in r&&((0,a.Z)(`"${e}" is a protected attribute and can not be changed in feature ${t}. It will have no effect.`),delete r[e])})),this[t]=r}))}catch(e){(0,a.Z)("An error occured while setting a Configurable",e)}}}const c={beacon:i.ce.beacon,errorBeacon:i.ce.errorBeacon,licenseKey:void 0,applicationID:void 0,sa:void 0,queueTime:void 0,applicationTime:void 0,ttGuid:void 0,user:void 0,account:void 0,product:void 0,extra:void 0,jsAttributes:{},userAttributes:void 0,atts:void 0,transactionName:void 0,tNamePlain:void 0},u={};function d(e){if(!e)throw new Error("All info objects require an agent identifier!");if(!u[e])throw new Error(`Info for ${e} was never set`);return u[e]}function l(e,t){if(!e)throw new Error("All info objects require an agent identifier!");u[e]=new s(t,c),(0,i.Qy)(e,u[e],"info")}const f={allow_bfcache:!1,privacy:{cookies_enabled:!0},ajax:{deny_list:void 0,enabled:!0,harvestTimeSeconds:10},distributed_tracing:{enabled:void 0,exclude_newrelic_header:void 0,cors_use_newrelic_header:void 0,cors_use_tracecontext_headers:void 0,allowed_origins:void 0},ssl:void 0,obfuscate:void 0,jserrors:{enabled:!0,harvestTimeSeconds:10},metrics:{enabled:!0,harvestTimeSeconds:10},page_action:{enabled:!0,harvestTimeSeconds:30},page_view_event:{enabled:!0},page_view_timing:{enabled:!0,harvestTimeSeconds:30},session_trace:{enabled:!0,harvestTimeSeconds:10},spa:{enabled:!0,harvestTimeSeconds:10}},g={};function h(e){if(!e)throw new Error("All configuration objects require an agent identifier!");if(!g[e])throw new Error(`Configuration for ${e} was never set`);return g[e]}function p(e,t){if(!e)throw new Error("All configuration objects require an agent identifier!");g[e]=new s(t,f),(0,i.Qy)(e,g[e],"config")}function v(e,t){if(!e)throw new Error("All configuration objects require an agent identifier!");var r=h(e);if(r){for(var n=t.split("."),i=0;i<n.length-1;i++)if("object"!=typeof(r=r[n[i]]))return;r=r[n[n.length-1]]}return r}const m={accountID:void 0,trustKey:void 0,agentID:void 0,licenseKey:void 0,applicationID:void 0,xpid:void 0},b={};function w(e){if(!e)throw new Error("All loader-config objects require an agent identifier!");if(!b[e])throw new Error(`LoaderConfig for ${e} was never set`);return b[e]}function y(e,t){if(!e)throw new Error("All loader-config objects require an agent identifier!");b[e]=new s(t,m),(0,i.Qy)(e,b[e],"loader_config")}const A=(0,i.mF)().o;var x=r(6900),E=r(2053),O=null,S=null;if(navigator.userAgent){var D=navigator.userAgent,j=D.match(/Version\/(\S+)\s+Safari/);j&&-1===D.indexOf("Chrome")&&-1===D.indexOf("Chromium")&&(O="Safari",S=j[1])}function _(e,t){if(!O)return!1;if(e!==O)return!1;if(!t)return!0;if(!S)return!1;for(var r=S.split("."),n=t.split("."),i=0;i<n.length;i++)if(n[i]!==r[i])return!1;return!0}var k=r(5526),T=r(2374);const P="NRBA_SESSION_ID";function C(){if(!T.il)return null;try{let e;return null===(e=window.sessionStorage.getItem(P))&&(e=(0,k.ky)(16),window.sessionStorage.setItem(P,e)),e}catch(e){return null}}var I=T._A?.XMLHttpRequest,N=I&&I.prototype;const R={};function B(e){if(!e)throw new Error("All runtime objects require an agent identifier!");if(!R[e])throw new Error(`Runtime for ${e} was never set`);return R[e]}function M(e,t){if(!e)throw new Error("All runtime objects require an agent identifier!");var r;R[e]=new s(t,(r=e,{customTransaction:void 0,disabled:!1,features:{},isolatedBacklog:!1,loaderType:void 0,maxBytes:6===x.H?2e3:3e4,offset:(0,E.yf)(),onerror:void 0,origin:""+T._A?.location,ptid:void 0,releaseIds:{},sessionId:1==v(r,"privacy.cookies_enabled")?C():null,xhrWrappable:I&&N&&N.addEventListener&&!/CriOS/.test(navigator.userAgent),userAgent:n})),(0,i.Qy)(e,R[e],"runtime")}function V(e){return function(e){try{const t=d(e);return!!t.licenseKey&&!!t.errorBeacon&&!!t.applicationID}catch(e){return!1}}(e)}},8226:(e,t,r)=>{"use strict";r.d(t,{q:()=>n});const n="1223.PROD"},9557:(e,t,r)=>{"use strict";r.d(t,{w:()=>o});var n=r(8610);const i={agentIdentifier:""};class o{constructor(e){try{if("object"!=typeof e)return(0,n.Z)("shared context requires an object as input");this.sharedContext={},Object.assign(this.sharedContext,i),Object.entries(e).forEach((e=>{let[t,r]=e;Object.keys(i).includes(t)&&(this.sharedContext[t]=r)}))}catch(e){(0,n.Z)("An error occured while setting SharedContext",e)}}}},4329:(e,t,r)=>{"use strict";r.d(t,{L:()=>d,R:()=>c});var n=r(3752),i=r(7022),o=r(4045),a=r(2325);const s={};function c(e,t){const r={staged:!1,priority:a.p[t]||0};u(e),s[e].get(t)||s[e].set(t,r)}function u(e){e&&(s[e]||(s[e]=new Map))}function d(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"",t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"feature";if(u(e),!e||!s[e].get(t))return a(t);s[e].get(t).staged=!0;const r=Array.from(s[e]);function a(t){const r=e?n.ee.get(e):n.ee,a=o.X.handlers;if(r.backlog&&a){var s=r.backlog[t],c=a[t];if(c){for(var u=0;s&&u<s.length;++u)l(s[u],c);(0,i.D)(c,(function(e,t){(0,i.D)(t,(function(t,r){r[0].on(e,r[1])}))}))}delete a[t],r.backlog[t]=null,r.emit("drain-"+t,[])}}r.every((e=>{let[t,r]=e;return r.staged}))&&(r.sort(((e,t)=>e[1].priority-t[1].priority)),r.forEach((e=>{let[t]=e;a(t)})))}function l(e,t){var r=e[1];(0,i.D)(t[r],(function(t,r){var n=e[0];if(r[0]===n){var i=r[1],o=e[3],a=e[2];i.apply(o,a)}}))}},3752:(e,t,r)=>{"use strict";r.d(t,{ee:()=>u});var n=r(6797),i=r(3916),o=r(7022),a=r(6562),s="nr@context";let c=(0,n.fP)();var u;function d(){}function l(){return new d}function f(){(u.backlog.api||u.backlog.feature)&&(u.aborted=!0,u.backlog={})}c.ee?u=c.ee:(u=function e(t,r){var n={},c={},g={},h=!1;try{h=16===r.length&&(0,a.OP)(r).isolatedBacklog}catch(e){}var p={on:b,addEventListener:b,removeEventListener:w,emit:m,get:A,listeners:y,context:v,buffer:x,abort:f,aborted:!1,isBuffering:E,debugId:r,backlog:h?{}:t&&"object"==typeof t.backlog?t.backlog:{}};return p;function v(e){return e&&e instanceof d?e:e?(0,i.X)(e,s,l):l()}function m(e,r,n,i,o){if(!1!==o&&(o=!0),!u.aborted||i){t&&o&&t.emit(e,r,n);for(var a=v(n),s=y(e),d=s.length,l=0;l<d;l++)s[l].apply(a,r);var f=O()[c[e]];return f&&f.push([p,e,r,a]),a}}function b(e,t){n[e]=y(e).concat(t)}function w(e,t){var r=n[e];if(r)for(var i=0;i<r.length;i++)r[i]===t&&r.splice(i,1)}function y(e){return n[e]||[]}function A(t){return g[t]=g[t]||e(p,t)}function x(e,t){var r=O();p.aborted||(0,o.D)(e,(function(e,n){t=t||"feature",c[n]=t,t in r||(r[t]=[])}))}function E(e){return!!O()[c[e]]}function O(){return p.backlog}}(void 0,"globalEE"),c.ee=u)},9252:(e,t,r)=>{"use strict";r.d(t,{E:()=>n,p:()=>i});var n=r(3752).ee.get("handle");function i(e,t,r,i,o){o?(o.buffer([e],i),o.emit(e,t,r)):(n.buffer([e],i),n.emit(e,t,r))}},4045:(e,t,r)=>{"use strict";r.d(t,{X:()=>o});var n=r(9252);o.on=a;var i=o.handlers={};function o(e,t,r,o){a(o||n.E,i,e,t,r)}function a(e,t,r,i,o){o||(o="feature"),e||(e=n.E);var a=t[o]=t[o]||{};(a[r]=a[r]||[]).push([e,i])}},8544:(e,t,r)=>{"use strict";r.d(t,{bP:()=>s,iz:()=>c,m$:()=>a});var n=r(2374),i=!1;try{var o=Object.defineProperty({},"passive",{get:function(){i=!0}});n._A?.addEventListener("testPassive",null,o),n._A?.removeEventListener("testPassive",null,o)}catch(e){}function a(e){return i?{passive:!0,capture:!!e}:!!e}function s(e,t){let r=arguments.length>2&&void 0!==arguments[2]&&arguments[2];window.addEventListener(e,t,a(r))}function c(e,t){let r=arguments.length>2&&void 0!==arguments[2]&&arguments[2];document.addEventListener(e,t,a(r))}},5526:(e,t,r)=>{"use strict";r.d(t,{Rl:()=>i,ky:()=>o});var n=r(2374);function i(){var e=null,t=0,r=n._A?.crypto||n._A?.msCrypto;function i(){return e?15&e[t++]:16*Math.random()|0}r&&r.getRandomValues&&(e=r.getRandomValues(new Uint8Array(31)));for(var o,a="xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx",s="",c=0;c<a.length;c++)s+="x"===(o=a[c])?i().toString(16):"y"===o?(o=3&i()|8).toString(16):o;return s}function o(e){var t=null,r=0,n=self.crypto||self.msCrypto;n&&n.getRandomValues&&Uint8Array&&(t=n.getRandomValues(new Uint8Array(31)));for(var i=[],o=0;o<e;o++)i.push(a().toString(16));return i.join("");function a(){return t?15&t[r++]:16*Math.random()|0}}},2053:(e,t,r)=>{"use strict";r.d(t,{nb:()=>c,os:()=>u,yf:()=>s,zO:()=>a});var n=r(7145),i=(new Date).getTime(),o=i;function a(){return n.G&&performance.now?Math.round(performance.now()):(i=Math.max((new Date).getTime(),i))-o}function s(){return i}function c(e){o=e}function u(){return o}},7145:(e,t,r)=>{"use strict";r.d(t,{G:()=>n});const n=void 0!==r(2374)._A?.performance?.timing?.navigationStart},6625:(e,t,r)=>{"use strict";r.d(t,{s:()=>c,v:()=>u});var n=r(8283),i=r(9071),o=r(2053),a=r(7145),s=r(2374);let c=!0;function u(e){var t=function(){if(i.I&&i.I<9)return;if(a.G)return c=!1,s._A?.performance?.timing?.navigationStart}();t&&((0,n.B)(e,"starttime",t),(0,o.nb)(t))}},8283:(e,t,r)=>{"use strict";r.d(t,{B:()=>o,L:()=>a});var n=r(2053),i={};function o(e,t,r){void 0===r&&(r=(0,n.zO)()+(0,n.os)()),i[e]=i[e]||{},i[e][t]=r}function a(e,t,r,n){const o=e.sharedContext.agentIdentifier;var a=i[o]?.[r],s=i[o]?.[n];void 0!==a&&void 0!==s&&e.store("measures",t,{value:s-a})}},9548:(e,t,r)=>{"use strict";r.d(t,{T:()=>i});var n=r(2374);const i={isFileProtocol:function(){let e=Boolean("file:"===(0,n.lW)()?.location?.protocol);e&&(i.supportabilityMetricSent=!0);return e},supportabilityMetricSent:!1}},8610:(e,t,r)=>{"use strict";function n(e,t){console&&console.warn&&"function"==typeof console.warn&&(console.warn(`New Relic: ${e}`),t&&console.warn(t))}r.d(t,{Z:()=>n})},3916:(e,t,r)=>{"use strict";r.d(t,{X:()=>i});var n=Object.prototype.hasOwnProperty;function i(e,t,r){if(n.call(e,t))return e[t];var i=r();if(Object.defineProperty&&Object.keys)try{return Object.defineProperty(e,t,{value:i,writable:!0,enumerable:!1}),i}catch(e){}return e[t]=i,i}},2374:(e,t,r)=>{"use strict";r.d(t,{_A:()=>o,il:()=>n,lW:()=>a,v6:()=>i});const n=Boolean("undefined"!=typeof window&&window.document),i=Boolean("undefined"!=typeof WorkerGlobalScope&&self.navigator instanceof WorkerNavigator);let o=(()=>{if(n)return window;if(i){if("undefined"!=typeof globalThis&&globalThis instanceof WorkerGlobalScope)return globalThis;if(self instanceof WorkerGlobalScope)return self}throw new Error("New Relic browser agent shutting down due to error: Unable to locate global scope. This is possibly due to code redefining browser global variables like `self` and `window`.")})();function a(){return o}},7022:(e,t,r)=>{"use strict";r.d(t,{D:()=>i});var n=Object.prototype.hasOwnProperty;function i(e,t){var r=[],i="",o=0;for(i in e)n.call(e,i)&&(r[o]=t(i,e[i]),o+=1);return r}},9226:(e,t,r)=>{"use strict";r.d(t,{$c:()=>u,Ng:()=>d,RR:()=>c});var n=r(6562),i=r(9557),o=r(9548),a=r(8610),s={regex:/^file:\/\/(.*)/,replacement:"file://OBFUSCATED"};class c extends i.w{constructor(e){super(e)}shouldObfuscate(){return u(this.sharedContext.agentIdentifier).length>0}obfuscateString(e){if(!e||"string"!=typeof e)return e;for(var t=u(this.sharedContext.agentIdentifier),r=e,n=0;n<t.length;n++){var i=t[n].regex,o=t[n].replacement||"*";r=r.replace(i,o)}return r}}function u(e){var t=[],r=(0,n.Mt)(e,"obfuscate")||[];return t=t.concat(r),o.T.isFileProtocol()&&t.push(s),t}function d(e){for(var t=!1,r=!1,n=0;n<e.length;n++){"regex"in e[n]?"string"!=typeof e[n].regex&&e[n].regex.constructor!==RegExp&&((0,a.Z)('An obfuscation replacement rule contains a "regex" value with an invalid type (must be a string or RegExp)'),r=!0):((0,a.Z)('An obfuscation replacement rule was detected missing a "regex" value.'),r=!0);var i=e[n].replacement;i&&"string"!=typeof i&&((0,a.Z)('An obfuscation replacement rule contains a "replacement" value with an invalid type (must be a string)'),t=!0)}return!t&&!r}},2650:(e,t,r)=>{"use strict";r.d(t,{K:()=>a,b:()=>o});var n=r(8544);function i(){return"undefined"==typeof document||"complete"===document.readyState}function o(e,t){if(i())return e();(0,n.bP)("load",e,t)}function a(e){if(i())return e();(0,n.iz)("DOMContentLoaded",e)}},6797:(e,t,r)=>{"use strict";r.d(t,{EZ:()=>u,Qy:()=>c,ce:()=>o,fP:()=>a,gG:()=>d,mF:()=>s});var n=r(2053),i=r(2374);const o={beacon:"bam.nr-data.net",errorBeacon:"bam.nr-data.net"};function a(){return i._A.NREUM||(i._A.NREUM={}),void 0===i._A.newrelic&&(i._A.newrelic=i._A.NREUM),i._A.NREUM}function s(){let e=a();return e.o||(e.o={ST:i._A.setTimeout,SI:i._A.setImmediate,CT:i._A.clearTimeout,XHR:i._A.XMLHttpRequest,REQ:i._A.Request,EV:i._A.Event,PR:i._A.Promise,MO:i._A.MutationObserver,FETCH:i._A.fetch}),e}function c(e,t,r){let i=a();const o=i.initializedAgents||{},s=o[e]||{};return Object.keys(s).length||(s.initializedAt={ms:(0,n.zO)(),date:new Date}),i.initializedAgents={...o,[e]:{...s,[r]:t}},i}function u(e,t){a()[e]=t}function d(){return function(){let e=a();const t=e.info||{};e.info={beacon:o.beacon,errorBeacon:o.errorBeacon,...t}}(),function(){let e=a();const t=e.init||{};e.init={...t}}(),s(),function(){let e=a();const t=e.loader_config||{};e.loader_config={...t}}(),a()}},6998:(e,t,r)=>{"use strict";r.d(t,{N:()=>i,e:()=>o});var n=r(8544);function i(e){let t=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return void(0,n.iz)("visibilitychange",r);function r(){if(t){if("hidden"!=document.visibilityState)return;e()}e(document.visibilityState)}}function o(){return"hidden"===document.visibilityState?-1:1/0}},6034:(e,t,r)=>{"use strict";r.d(t,{t:()=>n});const n=r(2325).D.metrics},2484:(e,t,r)=>{"use strict";r.d(t,{t:()=>n});const n=r(2325).D.pageViewEvent},6382:(e,t,r)=>{"use strict";r.d(t,{t:()=>n});const n=r(2325).D.pageViewTiming},1509:(e,t,r)=>{"use strict";r.d(t,{W:()=>s});var n=r(6562),i=r(3752),o=r(2384),a=r(6797);class s{constructor(e,t,r){this.agentIdentifier=e,this.aggregator=t,this.ee=i.ee.get(e,(0,n.OP)(this.agentIdentifier).isolatedBacklog),this.featureName=r,this.blocked=!1,this.checkConfiguration()}checkConfiguration(){if(!(0,n.lF)(this.agentIdentifier)){let e={...(0,a.gG)().info?.jsAttributes};try{e={...e,...(0,n.C5)(this.agentIdentifier)?.jsAttributes}}catch(e){}(0,o.j)(this.agentIdentifier,{...(0,a.gG)(),info:{...(0,a.gG)().info,jsAttributes:e}})}}}},2384:(e,t,r)=>{"use strict";r.d(t,{j:()=>w});var n=r(8683),i=r.n(n),o=r(2325),a=r(6562),s=r(9252),c=r(7022),u=r(3752),d=r(2053),l=r(4329),f=r(2650),g=r(2374);function h(e,t,n){n||(0,l.R)(e,"api"),function(e){function t(t){for(var r=arguments.length,n=new Array(r>1?r-1:0),i=1;i<r;i++)n[i-1]=arguments[i];Object.values(e.initializedAgents).forEach((e=>{e.exposed&&e.api[t]&&e.api[t](...n)}))}["setErrorHandler","finished","addToTrace","inlineHit","addRelease","addPageAction","setCurrentRouteName","setPageViewName","setCustomAttribute","interaction","noticeError"].forEach((r=>{e[r]=function(){for(var e=arguments.length,n=new Array(e),i=0;i<e;i++)n[i]=arguments[i];return t(r,...n)}}))}(t);var h=u.ee.get(e),p=h.get("tracer"),v="api-",m="api-ixn-";function b(){}(0,c.D)(["setErrorHandler","finished","addToTrace","inlineHit","addRelease"],(function(e,r){t[r]=y(v,r,!0,"api")})),t.addPageAction=y(v,"addPageAction",!0,o.D.pageAction),t.setCurrentRouteName=y(v,"routeName",!0,o.D.spa),t.setPageViewName=function(t,r){if("string"==typeof t)return"/"!==t.charAt(0)&&(t="/"+t),(0,a.OP)(e).customTransaction=(r||"https://web.archive.org/web/20230208081314/http://custom.transaction")+t,y(v,"setPageViewName",!0,"api")()},t.setCustomAttribute=function(t,r){const n=(0,a.C5)(e);return(0,a.CX)(e,{...n,jsAttributes:{...n.jsAttributes,[t]:r}}),y(v,"setCustomAttribute",!0,"api")()},t.interaction=function(){return(new b).get()};var w=b.prototype={createTracer:function(e,t){var r={},n=this,i="function"==typeof t;return(0,s.p)("api-ixn-tracer",[(0,d.zO)(),e,r],n,o.D.spa,h),function(){if(p.emit((i?"":"no-")+"fn-start",[(0,d.zO)(),n,i],r),i)try{return t.apply(this,arguments)}catch(e){throw p.emit("fn-err",[arguments,this,"string"==typeof e?new Error(e):e],r),e}finally{p.emit("fn-end",[(0,d.zO)()],r)}}}};function y(e,t,r,n){return function(){return(0,s.p)("record-supportability",["API/"+t+"/called"],void 0,o.D.metrics,h),(0,s.p)(e+t,[(0,d.zO)()].concat(i()(arguments)),r?null:this,n,h),r?void 0:this}}function A(){r.e(692).then(r.bind(r,5692)).then((t=>{let{setAPI:r}=t;r(e),(0,l.L)(e,"api")}))}(0,c.D)("actionText,setName,setAttribute,save,ignore,onEnd,getContext,end,get".split(","),(function(e,t){w[t]=y(m,t,void 0,o.D.spa)})),t.noticeError=function(e,t){"string"==typeof e&&(e=new Error(e)),(0,s.p)("record-supportability",["API/noticeError/called"],void 0,o.D.metrics,h),(0,s.p)("err",[e,(0,d.zO)(),!1,t],void 0,o.D.jserrors,h)},g.v6?A():(0,f.b)((()=>A()),!0)}var p=r(6797);const v={stn:o.D.sessionTrace,err:o.D.jserrors,ins:o.D.pageAction,spa:o.D.spa};function m(e,t){var r=u.ee.get(t);e&&"object"==typeof e&&((0,c.D)(e,(function(e,t){if(!t)return(0,s.p)("block-"+e,[],void 0,v[e],r);t&&!b[e]&&((0,s.p)("feat-"+e,[],void 0,v[e],r),b[e]=!0)})),(0,l.L)(t,o.D.pageViewEvent))}const b={};function w(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},r=arguments.length>2?arguments[2]:void 0,n=arguments.length>3?arguments[3]:void 0,{init:i,info:o,loader_config:s,runtime:c={loaderType:r},exposed:u=!0}=t;const d=(0,p.gG)();let l={};return o||(i=d.init,o=d.info,s=d.loader_config,l=d),g.v6&&(o.jsAttributes={...o.jsAttributes,isWorker:!0}),(0,a.CX)(e,o),(0,a.Dg)(e,i||{}),(0,a.GE)(e,s||{}),(0,a.sU)(e,c),h(e,l,n),(0,p.Qy)(e,d,"api"),(0,p.Qy)(e,u,"exposed"),g.v6||((0,p.EZ)("activatedFeatures",b),(0,p.EZ)("setToken",(t=>m(t,e)))),l}},909:(e,t,r)=>{"use strict";r.d(t,{Z:()=>i,q:()=>o});var n=r(2325);function i(e){switch(e){case n.D.ajax:return[n.D.jserrors];case n.D.sessionTrace:return[n.D.ajax,n.D.pageViewEvent];case n.D.pageViewTiming:return[n.D.pageViewEvent];default:return[]}}function o(e){return e===n.D.jserrors?[]:["auto"]}},2325:(e,t,r)=>{"use strict";r.d(t,{D:()=>n,p:()=>i});const n={ajax:"ajax",jserrors:"jserrors",metrics:"metrics",pageAction:"page_action",pageViewEvent:"page_view_event",pageViewTiming:"page_view_timing",sessionTrace:"session_trace",spa:"spa"},i={[n.pageViewEvent]:1,[n.pageViewTiming]:2,[n.metrics]:3,[n.jserrors]:4,[n.ajax]:5,[n.sessionTrace]:6,[n.pageAction]:7,[n.spa]:8}},8683:e=>{e.exports=function(e,t,r){t||(t=0),void 0===r&&(r=e?e.length:0);for(var n=-1,i=r-t||0,o=Array(i<0?0:i);++n<i;)o[n]=e[t+n];return o}},4992:(e,t,r)=>{var n={"./ajax/aggregate":[960,779,960],"./jserrors/aggregate":[6112,779,112],"./metrics/aggregate":[4325,779,325],"./page_action/aggregate":[6817,779,817],"./page_view_event/aggregate":[4823,779,823],"./page_view_timing/aggregate":[8785,779,785],"./session_trace/aggregate":[1307,779,307],"./spa/aggregate":[9378,779,378]};function i(e){if(!r.o(n,e))return Promise.resolve().then((()=>{var t=new Error("Cannot find module '"+e+"'");throw t.code="MODULE_NOT_FOUND",t}));var t=n[e],i=t[0];return Promise.all(t.slice(1).map(r.e)).then((()=>r(i)))}i.keys=()=>Object.keys(n),i.id=4992,e.exports=i}},n={};function i(e){var t=n[e];if(void 0!==t)return t.exports;var o=n[e]={exports:{}};return r[e](o,o.exports,i),o.exports}i.m=r,i.n=e=>{var t=e&&e.__esModule?()=>e.default:()=>e;return i.d(t,{a:t}),t},i.d=(e,t)=>{for(var r in t)i.o(t,r)&&!i.o(e,r)&&Object.defineProperty(e,r,{enumerable:!0,get:t[r]})},i.f={},i.e=e=>Promise.all(Object.keys(i.f).reduce(((t,r)=>(i.f[r](e,t),t)),[])),i.u=e=>e+"."+i.h().slice(0,8)+"-1223.js",i.h=()=>"215647de1097144af948",i.o=(e,t)=>Object.prototype.hasOwnProperty.call(e,t),e={},t="NRBA:",i.l=(r,n,o,a)=>{if(e[r])e[r].push(n);else{var s,c;if(void 0!==o)for(var u=document.getElementsByTagName("script"),d=0;d<u.length;d++){var l=u[d];if(l.getAttribute("src")==r||l.getAttribute("data-webpack")==t+o){s=l;break}}s||(c=!0,(s=document.createElement("script")).charset="utf-8",s.timeout=120,i.nc&&s.setAttribute("nonce",i.nc),s.setAttribute("data-webpack",t+o),s.src=r),e[r]=[n];var f=(t,n)=>{s.onerror=s.onload=null,clearTimeout(g);var i=e[r];if(delete e[r],s.parentNode&&s.parentNode.removeChild(s),i&&i.forEach((e=>e(n))),t)return t(n)},g=setTimeout(f.bind(null,void 0,{type:"timeout",target:s}),12e4);s.onerror=f.bind(null,s.onerror),s.onload=f.bind(null,s.onload),c&&document.head.appendChild(s)}},i.r=e=>{"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},i.p="https://web.archive.org/web/20230208081314/https://js-agent.newrelic.com/",(()=>{var e={55:0,308:0};i.f.j=(t,r)=>{var n=i.o(e,t)?e[t]:void 0;if(0!==n)if(n)r.push(n[2]);else{var o=new Promise(((r,i)=>n=e[t]=[r,i]));r.push(n[2]=o);var a=i.p+i.u(t),s=new Error;i.l(a,(r=>{if(i.o(e,t)&&(0!==(n=e[t])&&(e[t]=void 0),n)){var o=r&&("load"===r.type?"missing":r.type),a=r&&r.target&&r.target.src;s.message="Loading chunk "+t+" failed.\n("+o+": "+a+")",s.name="ChunkLoadError",s.type=o,s.request=a,n[1](s)}}),"chunk-"+t,t)}};var t=(t,r)=>{var n,o,[a,s,c]=r,u=0;if(a.some((t=>0!==e[t]))){for(n in s)i.o(s,n)&&(i.m[n]=s[n]);if(c)c(i)}for(t&&t(r);u<a.length;u++)o=a[u],i.o(e,o)&&e[o]&&e[o][0](),e[o]=0},r=window.webpackChunkNRBA=window.webpackChunkNRBA||[];r.forEach(t.bind(null,0)),r.push=t.bind(null,r.push.bind(r))})();var o={};(()=>{"use strict";i.r(o);var e=i(2325),t=i(6562);const r=Object.values(e.D);function n(e){const n={};return r.forEach((r=>{n[r]=function(e,r){return!1!==(0,t.Mt)(r,`${e}.enabled`)}(r,e)})),n}var a=i(2384),s=i(909),c=i(9557),u=i(7022);class d extends c.w{constructor(e){super(e),this.aggregatedData={}}store(e,t,r,n,i){var o=this.getBucket(e,t,r,i);return o.metrics=function(e,t){t||(t={count:0});return t.count+=1,(0,u.D)(e,(function(e,r){t[e]=l(r,t[e])})),t}(n,o.metrics),o}merge(e,t,r,n,i){var o=this.getBucket(e,t,n,i);if(o.metrics){var a=o.metrics;a.count+=r.count,(0,u.D)(r,(function(e,t){if("count"!==e){var n=a[e],i=r[e];i&&!i.c?a[e]=l(i.t,n):a[e]=function(e,t){if(!t)return e;t.c||(t=f(t.t));return t.min=Math.min(e.min,t.min),t.max=Math.max(e.max,t.max),t.t+=e.t,t.sos+=e.sos,t.c+=e.c,t}(i,a[e])}}))}else o.metrics=r}storeMetric(e,t,r,n){var i=this.getBucket(e,t,r);return i.stats=l(n,i.stats),i}getBucket(e,t,r,n){this.aggregatedData[e]||(this.aggregatedData[e]={});var i=this.aggregatedData[e][t];return i||(i=this.aggregatedData[e][t]={params:r||{}},n&&(i.custom=n)),i}get(e,t){return t?this.aggregatedData[e]&&this.aggregatedData[e][t]:this.aggregatedData[e]}take(e){for(var t={},r="",n=!1,i=0;i<e.length;i++)t[r=e[i]]=g(this.aggregatedData[r]),t[r].length&&(n=!0),delete this.aggregatedData[r];return n?t:null}}function l(e,t){return null==e?function(e){e?e.c++:e={c:1};return e}(t):t?(t.c||(t=f(t.t)),t.c+=1,t.t+=e,t.sos+=e*e,e>t.max&&(t.max=e),e<t.min&&(t.min=e),t):{t:e}}function f(e){return{t:e,min:e,max:e,sos:e*e,c:1}}function g(e){return"object"!=typeof e?[]:(0,u.D)(e,h)}function h(e,t){return t}var p=i(6797),v=i(5526),m=i(8610);var b=i(9252),w=i(2053),y=i(8283),A=i(6625),x=i(4329),E=i(1509),O=i(2650),S=i(2374);class D extends E.W{constructor(e,t,r){let n=!(arguments.length>3&&void 0!==arguments[3])||arguments[3];super(e,t,r),this.completed=new Promise(((e,t)=>{this.resolve=e,this.reject=t})),this.hasAggregator=!1,this.auto=n,n&&(0,x.R)(e,r)}importAggregator(){try{if(this.hasAggregator||!this.auto)return;this.hasAggregator=!0;const e=async()=>{try{const{Aggregate:e}=await i(4992)(`./${this.featureName}/aggregate`);new e(this.agentIdentifier,this.aggregator),this.resolve()}catch(e){(0,m.Z)(`Failed to import aggregator class for ${this.featureName}`,e)}};S.v6?e():(0,O.b)((()=>e()),!0)}catch(e){this.reject(e)}}}var j,_,k,T=i(2484);class P extends D{constructor(e,t){let r=!(arguments.length>2&&void 0!==arguments[2])||arguments[2];super(e,t,T.t,r),S.il&&((0,A.v)(e),(0,y.B)(e,"firstbyte",(0,w.yf)()),(0,O.K)((()=>this.measureDomContentLoaded())),(0,O.b)((()=>this.measureWindowLoaded()),!0),this.importAggregator())}measureWindowLoaded(){var t=(0,w.zO)();(0,y.B)(this.agentIdentifier,"onload",t+(0,w.os)()),(0,b.p)("timing",["load",t],void 0,e.D.pageViewTiming,this.ee)}measureDomContentLoaded(){(0,y.B)(this.agentIdentifier,"domContent",(0,w.zO)()+(0,w.os)())}}j=P,_="featureName",k=T.t,_ in j?Object.defineProperty(j,_,{value:k,enumerable:!0,configurable:!0,writable:!0}):j[_]=k;var C=i(6998),I=i(8544),N=i(6382);class R extends D{constructor(t,r){var n;let i=!(arguments.length>2&&void 0!==arguments[2])||arguments[2];if(super(t,r,N.t,i),n=this,S.il){if(this.pageHiddenTime=(0,C.e)(),this.performanceObserver,this.lcpPerformanceObserver,this.clsPerformanceObserver,this.fiRecorded=!1,"PerformanceObserver"in window&&"function"==typeof window.PerformanceObserver){this.performanceObserver=new PerformanceObserver((function(){return n.perfObserver(...arguments)}));try{this.performanceObserver.observe({entryTypes:["paint"]})}catch(e){}this.lcpPerformanceObserver=new PerformanceObserver((function(){return n.lcpObserver(...arguments)}));try{this.lcpPerformanceObserver.observe({entryTypes:["largest-contentful-paint"]})}catch(e){}this.clsPerformanceObserver=new PerformanceObserver((function(){return n.clsObserver(...arguments)}));try{this.clsPerformanceObserver.observe({type:"layout-shift",buffered:!0})}catch(e){}}this.fiRecorded=!1;["click","keydown","mousedown","pointerdown","touchstart"].forEach((e=>{(0,I.iz)(e,(function(){return n.captureInteraction(...arguments)}))})),(0,C.N)((()=>{this.pageHiddenTime=(0,w.zO)(),(0,b.p)("docHidden",[this.pageHiddenTime],void 0,e.D.pageViewTiming,this.ee)}),!0),(0,I.bP)("pagehide",(()=>(0,b.p)("winPagehide",[(0,w.zO)()],void 0,e.D.pageViewTiming,this.ee))),this.importAggregator()}}perfObserver(t,r){t.getEntries().forEach((t=>{"first-paint"===t.name?(0,b.p)("timing",["fp",Math.floor(t.startTime)],void 0,e.D.pageViewTiming,this.ee):"first-contentful-paint"===t.name&&(0,b.p)("timing",["fcp",Math.floor(t.startTime)],void 0,e.D.pageViewTiming,this.ee)}))}lcpObserver(t,r){var n=t.getEntries();if(n.length>0){var i=n[n.length-1];if(this.pageHiddenTime<i.startTime)return;var o=[i],a=this.addConnectionAttributes({});a&&o.push(a),(0,b.p)("lcp",o,void 0,e.D.pageViewTiming,this.ee)}}clsObserver(t){t.getEntries().forEach((t=>{t.hadRecentInput||(0,b.p)("cls",[t],void 0,e.D.pageViewTiming,this.ee)}))}addConnectionAttributes(e){var t=navigator.connection||navigator.mozConnection||navigator.webkitConnection;if(t)return t.type&&(e["net-type"]=t.type),t.effectiveType&&(e["net-etype"]=t.effectiveType),t.rtt&&(e["net-rtt"]=t.rtt),t.downlink&&(e["net-dlink"]=t.downlink),e}captureInteraction(r){if(r instanceof t.Yu.EV&&!this.fiRecorded){var n=Math.round(r.timeStamp),i={type:r.type};this.addConnectionAttributes(i),n<=(0,w.zO)()?i.fid=(0,w.zO)()-n:n>(0,w.os)()&&n<=Date.now()?(n-=(0,w.os)(),i.fid=(0,w.zO)()-n):n=(0,w.zO)(),this.fiRecorded=!0,(0,b.p)("timing",["fi",n,i],void 0,e.D.pageViewTiming,this.ee)}}}!function(e,t,r){t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r}(R,"featureName",N.t);var B=i(4045),M="React",V="Angular",q="AngularJS",L="Backbone",z="Ember",W="Vue",$="Meteor",F="Zepto",G="Jquery";function Z(){if(!S.il)return[];var e=[];try{(function(){try{if(window.React||window.ReactDOM||window.ReactRedux)return!0;if(document.querySelector("[data-reactroot], [data-reactid]"))return!0;for(var e=document.querySelectorAll("body > div"),t=0;t<e.length;t++)if(Object.keys(e[t]).indexOf("_reactRootContainer")>=0)return!0;return!1}catch(e){return!1}})()&&e.push(M),function(){try{return!!window.angular||(!!document.querySelector(".ng-binding, [ng-app], [data-ng-app], [ng-controller], [data-ng-controller], [ng-repeat], [data-ng-repeat]")||!!document.querySelector('script[src*="angular.js"], script[src*="angular.min.js"]'))}catch(e){return!1}}()&&e.push(q),function(){try{return!!(window.hasOwnProperty("ng")&&window.ng.hasOwnProperty("coreTokens")&&window.ng.coreTokens.hasOwnProperty("NgZone"))||!!document.querySelectorAll("[ng-version]").length}catch(e){return!1}}()&&e.push(V),window.Backbone&&e.push(L),window.Ember&&e.push(z),window.Vue&&e.push(W),window.Meteor&&e.push($),window.Zepto&&e.push(F),window.jQuery&&e.push(G)}catch(e){}return e}var U=i(9548),H=i(9226),X=i(8226);const Q=Boolean(S._A?.Worker),K=Boolean(S._A?.SharedWorker),J=Boolean(S._A?.navigator?.serviceWorker);let Y,ee,te;var re=i(6034);class ne extends D{constructor(e,t){var r;let n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},i=!(arguments.length>3&&void 0!==arguments[3])||arguments[3];super(e,t,re.t,i),r=this,this.PfFeatStatusEnum=n,this.singleChecks(),this.eachSessionChecks(),(0,B.X)("record-supportability",(function(){return r.recordSupportability(...arguments)}),this.featureName,this.ee),(0,B.X)("record-custom",(function(){return r.recordCustom(...arguments)}),this.featureName,this.ee),this.importAggregator()}recordSupportability(e,t){var r=["sm",e,{name:e},t];return(0,b.p)("storeMetric",r,null,this.featureName,this.ee),r}recordCustom(e,t){var r=["cm",e,{name:e},t];return(0,b.p)("storeEventMetrics",r,null,this.featureName,this.ee),r}singleChecks(){this.recordSupportability(`Generic/Version/${X.q}/Detected`);const{loaderType:e}=(0,t.OP)(this.agentIdentifier);e&&this.recordSupportability(`Generic/LoaderType/${e}/Detected`),S.il&&(0,O.K)((()=>{Z().forEach((e=>{this.recordSupportability("Framework/"+e+"/Detected")}))})),U.T.isFileProtocol()&&(this.recordSupportability("Generic/FileProtocol/Detected"),U.T.supportabilityMetricSent=!0);const r=(0,H.$c)(this.agentIdentifier);r.length>0&&this.recordSupportability("Generic/Obfuscate/Detected"),r.length>0&&!(0,H.Ng)(r)&&this.recordSupportability("Generic/Obfuscate/Invalid"),S.il&&this.reportPolyfillsNeeded(),function(e){if(!Y){if(Q){Y=Worker;try{S._A.Worker=r(Y,"Dedicated")}catch(e){o(e,"Dedicated")}if(K){ee=SharedWorker;try{S._A.SharedWorker=r(ee,"Shared")}catch(e){o(e,"Shared")}}else n("Shared");if(J){te=navigator.serviceWorker.register;try{S._A.navigator.serviceWorker.register=(t=te,function(){for(var e=arguments.length,r=new Array(e),n=0;n<e;n++)r[n]=arguments[n];return i("Service",r[1]?.type),t.apply(navigator.serviceWorker,r)})}catch(e){o(e,"Service")}}else n("Service");var t;return}n("All")}function r(e,t){return new Proxy(e,{construct:(e,r)=>(i(t,r[1]?.type),new e(...r))})}function n(t){S.v6||e(`Workers/${t}/Unavailable`)}function i(t,r){e("module"===r?`Workers/${t}/Module`:`Workers/${t}/Classic`)}function o(t,r){e(`Workers/${r}/SM/Unsupported`),(0,m.Z)(`NR Agent: Unable to capture ${r} workers.`,t)}}(this.recordSupportability.bind(this))}reportPolyfillsNeeded(){this.recordSupportability(`Generic/Polyfill/Promise/${this.PfFeatStatusEnum.PROMISE}`),this.recordSupportability(`Generic/Polyfill/ArrayIncludes/${this.PfFeatStatusEnum.ARRAY_INCLUDES}`),this.recordSupportability(`Generic/Polyfill/ObjectAssign/${this.PfFeatStatusEnum.OBJECT_ASSIGN}`),this.recordSupportability(`Generic/Polyfill/ObjectEntries/${this.PfFeatStatusEnum.OBJECT_ENTRIES}`)}eachSessionChecks(){S.il&&(0,I.bP)("pageshow",(e=>{e.persisted&&this.recordCustom("Custom/BFCache/PageRestored")}))}}!function(e,t,r){t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r}(ne,"featureName",re.t);new class{constructor(t){let r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:(0,v.ky)(16);this.agentIdentifier=r,this.sharedAggregator=new d({agentIdentifier:this.agentIdentifier}),this.features={},this.desiredFeatures=t.features||[],this.desiredFeatures.sort(((t,r)=>e.p[t.featureName]-e.p[r.featureName])),Object.assign(this,(0,a.j)(this.agentIdentifier,t,t.loaderType||"agent")),this.start()}get config(){return{info:(0,t.C5)(this.agentIdentifier),init:(0,t.P_)(this.agentIdentifier),loader_config:(0,t.DL)(this.agentIdentifier),runtime:(0,t.OP)(this.agentIdentifier)}}start(){try{const e=n(this.agentIdentifier);this.desiredFeatures.forEach((t=>{if(e[t.featureName]){const r=(0,s.Z)(t.featureName);r.every((t=>e[t]))||(0,m.Z)(`${t.featureName} is enabled but one or more dependent features has been disabled (${JSON.stringify(r)}). This may cause unintended consequences or missing data...`),this.features[t.featureName]=new t(this.agentIdentifier,this.sharedAggregator)}})),(0,p.Qy)(this.agentIdentifier,this.features,"features")}catch(e){return(0,m.Z)("Failed to initialize instrument classes",e),!1}}}({features:[P,R,ne],loaderType:"lite"})})(),window.NRBA=o})();</script> <noscript><style>form.antibot * :not(.antibot-message) { display: none !important; }</style> </noscript><script async src="https://web.archive.org/web/20230208081314js_/https://www.googletagmanager.com/gtag/js?id=UA-66610693-3"></script> <script>window.dataLayer = window.dataLayer || [];function gtag(){dataLayer.push(arguments)};gtag("js", new Date());gtag("set", "developer_id.dMDhkMT", true);gtag('set', {cookie_flags: 'SameSite=None;Secure'});gtag("config", "UA-66610693-3", {"groups":"default","anonymize_ip":true,"page_placeholder":"PLACEHOLDER_page_path","link_attribution":true,"allow_ad_personalization_signals":false,"custom_map":{"dimension2":"node_title","dimension3":"node_id","dimension6":"organization","dimension7":"content_type"}});gtag("config", "G-HEQ0YF2VYL", {"groups":"default","page_placeholder":"PLACEHOLDER_page_location","link_attribution":true,"allow_ad_personalization_signals":false});gtag("config", "UA-33523145-1", {"groups":"default","anonymize_ip":true,"page_placeholder":"PLACEHOLDER_page_path","link_attribution":true,"allow_ad_personalization_signals":false,"custom_map":{"dimension2":"node_title","dimension3":"node_id","dimension6":"organization","dimension7":"content_type"}});gtag("event", "custom", {"node_title":"A Guide to U.S. Retail Pricing Laws and Regulations","node_id":"430096","organization":"\u003Ca href=\u0022\/nist-organizations\/nist-headquarters\u0022 hreflang=\u0022en\u0022\u003ENIST Headquarters\u003C\/a\u003E, \u003Ca href=\u0022\/nist-organizations\/nist-headquarters\/laboratory-program","content_type":"Basic page"});</script> <link rel="canonical" href="https://web.archive.org/web/20230208081314/https://www.nist.gov/pml/owm/laws-and-regulations/retail-and-unit-pricing-laws"/> <link rel="shortlink" href="https://web.archive.org/web/20230208081314/https://www.nist.gov/node/430096"/> <meta name="description" content=""/> <meta name="dcterms.title" content="A Guide to U.S. Retail Pricing Laws and Regulations"/> <meta name="dcterms.description" content=""/> <meta name="dcterms.date" content="2010-09-30T23:19-04:00"/> <meta name="dcterms.type" content="text"/> <meta name="dcterms.format" content="text/html"/> <meta name="dcterms.identifier" content="https://www.nist.gov/pml/owm/laws-and-regulations/retail-and-unit-pricing-laws"/> <meta name="dcterms.source" content="NIST"/> <meta name="dcterms.created" content="2010-09-30T23:19-04:00"/> <meta name="dcterms.modified" content="2022-05-04T09:37-04:00"/> <meta name="citation_title" content="A Guide to U.S. Retail Pricing Laws and Regulations | NIST"/> <meta property="og:site_name" content="NIST"/> <meta property="og:type" content="Article"/> <meta property="og:url" content="https://web.archive.org/web/20230208081314/https://www.nist.gov/pml/owm/laws-and-regulations/retail-and-unit-pricing-laws"/> <meta property="og:title" content="A Guide to U.S. Retail Pricing Laws and Regulations"/> <meta property="og:description" content=""/> <meta property="article:published_time" content="2010-09-30T23:19-04:00"/> <meta property="article:modified_time" content="2022-05-04T09:37-04:00"/> <meta name="google-site-verification" content="QMu0ODkER3rN5hLcMLqNVf7e3bkjYsNLTuhqfH48jCA"/> <meta name="twitter:card" content="summary_large_image"/> <meta name="twitter:site" content="NIST"/> <meta name="twitter:description" content=""/> <meta name="twitter:title" content="A Guide to U.S. Retail Pricing Laws and Regulations"/> <meta name="twitter:url" content="https://web.archive.org/web/20230208081314im_/https://www.nist.gov/pml/owm/laws-and-regulations/retail-and-unit-pricing-laws"/> <meta name="Generator" content="Drupal 9 (https://www.drupal.org)"/> <meta name="MobileOptimized" content="width"/> <meta name="HandheldFriendly" content="true"/> <meta name="viewport" content="width=device-width, initial-scale=1.0"/> <meta name="nist_search_modified" class="elastic" content="2022-05-04T09:37:00-04:00"/> <script type="application/ld+json">{ "@context": "https://web.archive.org/web/20230208081314/https://schema.org", "@graph": [ { "@type": "Article", "headline": "A Guide to U.S. Retail Pricing Laws and Regulations | NIST", "description": "\u003Cp\u003E\u003Ca data-entity-substitution=\u0022canonical\u0022 data-entity-type=\u0022node\u0022 data-entity-uuid=\u0022dc5282d8-6557-4fe7-9217-75530111a762\u0022 href=\u0022/pml/owm/us\u0026lt;/body\u0026gt;\u0026lt;/html\u0026gt;\u0022\u003E\u003C/a\u003E\u003C/p\u003E", "image": { "@type": "ImageObject", "representativeOfPage": "True" }, "datePublished": "2010-09-30T23:19-04:00", "dateModified": "2022-05-04T09:37-04:00" } ] }</script> <meta name="nist_search_bundle" class="elastic" content="page"/> <link rel="icon" href="/web/20230208081314im_/https://www.nist.gov/themes/custom/nist_www/favicon.ico" type="image/vnd.microsoft.icon"/> <title>A Guide to U.S. Retail Pricing Laws and Regulations | NIST</title> <link rel="stylesheet" media="all" href="/web/20230208081314cs_/https://www.nist.gov/sites/default/files/css/css_6hZQHyso1BdM3wkKYS6pASIT8XgzD_EDj_wnZVp8nEs.css"/> <link rel="stylesheet" media="screen" href="/web/20230208081314cs_/https://www.nist.gov/sites/default/files/css/css_gD8QmGaNfUQuThtjB-S0EwEOZZNJP1QfUU1bDdLHbMU.css"/> <link rel="stylesheet" media="print" href="/web/20230208081314cs_/https://www.nist.gov/sites/default/files/css/css_zbjDhj-AmeVwgu9y0DlPwEfp7l-a5BpoK3MpoGmRB6o.css"/> <link rel="stylesheet" media="all" href="/web/20230208081314cs_/https://www.nist.gov/sites/default/files/css/css_PV0KmreUx3hVeYI6yGypf71UDz9BSQl1Z5DjiESDh-Y.css"/> <link rel="stylesheet" media="screen" href="/web/20230208081314cs_/https://www.nist.gov/sites/default/files/css/css_e5DuZ68Yk6jKDRZI89Dctp-TrIyhXrRYettD_yNTSPA.css"/> <script src="/web/20230208081314js_/https://www.nist.gov/sites/default/files/js/js_VDwaIMNiRtzQn-NZvj1F9loIzJ-i4yEDiruzS8Z6Ejo.js"></script> </head> <body class="node-430096"> <a href="#main-content" class="visually-hidden focusable" data-elastic-exclude> Skip to main content </a> <div class="dialog-off-canvas-main-canvas" data-off-canvas-main-canvas> <!-- nist-index-ignore-start --> <section data-elastic-exclude class="usa-banner" aria-label="Official government website"> <div class="usa-accordion"> <header class="usa-banner__header"> <div class="usa-banner__inner"> <div class="grid-col-auto"> <img class="usa-banner__header-flag" src="/web/20230208081314im_/https://www.nist.gov/libraries/nist-component-library/dist/img/us_flag_small.png" alt="U.S. flag"> </div> <div class="grid-col-fill tablet:grid-col-auto"> <p class="usa-banner__header-text">An official website of the United States government</p> <p class="usa-banner__header-action" aria-hidden="true">Here鈥檚 how you know</p> </div> <button class="usa-accordion__button usa-banner__button" aria-expanded="false" aria-controls="gov-banner-default"> <span class="usa-banner__button-text">Here鈥檚 how you know</span> </button> </div> </header> <div class="usa-banner__content usa-accordion__content" id="gov-banner-default"> <div class="grid-row grid-gap-lg"> <div class="usa-banner__guidance tablet:grid-col-6"> <img class="usa-banner__icon usa-media-block__img" src="/web/20230208081314im_/https://www.nist.gov/libraries/nist-component-library/dist/img/icon-dot-gov.svg" role="img" alt="" aria-hidden="true"> <div class="usa-media-block__body"> <p> <strong>Official websites use .gov</strong> <br/> A <strong>.gov</strong> website belongs to an official government organization in the United States. </p> </div> </div> <div class="usa-banner__guidance tablet:grid-col-6"> <img class="usa-banner__icon usa-media-block__img" src="/web/20230208081314im_/https://www.nist.gov/libraries/nist-component-library/dist/img/icon-https.svg" role="img" alt="" aria-hidden="true"> <div class="usa-media-block__body"> <p> <strong>Secure .gov websites use HTTPS</strong> <br/> A <strong>lock</strong> ( <span class="icon-lock"> <svg xmlns="http://www.w3.org/2000/svg" width="52" height="64" viewbox="0 0 52 64" class="usa-banner__lock-image" role="img" aria-labelledby="banner-lock-title banner-lock-description" focusable="false"> <title id="banner-lock-title">Lock</title> <desc id="banner-lock-description">A locked padlock</desc><path fill="#000000" fill-rule="evenodd" d="M26 0c10.493 0 19 8.507 19 19v9h3a4 4 0 0 1 4 4v28a4 4 0 0 1-4 4H4a4 4 0 0 1-4-4V32a4 4 0 0 1 4-4h3v-9C7 8.507 15.507 0 26 0zm0 8c-5.979 0-10.843 4.77-10.996 10.712L15 19v9h22v-9c0-6.075-4.925-11-11-11z"/></svg> </span> ) or <strong>https://</strong> means you鈥檝e safely connected to the .gov website. Share sensitive information only on official, secure websites. </p> </div> </div> </div> </div> </div> </section> <!-- nist-index-ignore-end --> <div data-elastic-exclude> <!-- nist-index-ignore-start --> <div class="nist-print-header" style="display:none;"> <p class="nist-print-header__url">https://www.nist.gov/pml/owm/laws-and-regulations/retail-and-unit-pricing-laws</p> <img class="nist-print-header__logo" width="289" height="38" src="/web/20230208081314im_/https://www.nist.gov/libraries/nist-component-library/dist/img/logo/nist_logo_sidestack.svg" alt="National Institute of Standards and Technology"/> </div> <div class="usa-overlay"></div> <header class="usa-header nist-header--www nist-header--minimal" role="banner"> <div class="usa-navbar"> <div class="usa-logo flex-fill"> <a href="/web/20230208081314/https://www.nist.gov/" title="National Institute of Standards and Technology" aria-label="Home"> <img src="/web/20230208081314im_/https://www.nist.gov/libraries/nist-component-library/dist/img/logo/logo.svg" alt="National Institute of Standards and Technology" width="300px" height="80px"/> </a> </div> <div class="usa-header__right grid-row flex-auto"> <div class="grid-col-fill nist-header__search-group"> <form class="usa-search usa-search--small" accept-charset="UTF-8" action="/web/20230208081314/https://www.nist.gov/search" id="search_form" method="get"> <div role="search"> <label class="usa-sr-only" for="search-form">Search NIST</label> <input class="usa-input" id="search-form" type="search" name="s" placeholder="Search NIST" required="" maxlength="128"> <button class="usa-button" type="submit"><img src="/web/20230208081314im_/https://www.nist.gov/libraries/nist-component-library/dist/img/usa-icons-bg/search--white.svg" class="usa-search__submit-icon" alt="Search"></button> </div> </form> </div> <div class="grid-col-auto padding-left-1"> <button class="usa-menu-btn">Menu</button> </div> </div> </div> <nav aria-label="Primary navigation" class="usa-nav"> <div class="usa-nav__inner"> <button class="usa-nav__close">Close</button> <ul class="usa-nav__primary usa-accordion"> <li class="usa-nav__primary-item"> <button class="usa-accordion__button usa-nav__link" aria-expanded="false" aria-controls="primary_menu-1"><span>Topics</span></button> <div id="primary_menu-1" class="usa-nav__submenu usa-megamenu"> <div class="grid-row"> <div class="tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/topics" class="usa-nav__link">All Topics</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/advanced-communications" class="usa-nav__link">Advanced communications</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/artificial-intelligence" class="usa-nav__link">Artificial intelligence</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/bioscience" class="usa-nav__link">Bioscience</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/buildings-construction" class="usa-nav__link">Buildings and construction</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/chemistry" class="usa-nav__link">Chemistry</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/climate" class="usa-nav__link">Climate</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/cybersecurity" class="usa-nav__link">Cybersecurity</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/electronics" class="usa-nav__link">Electronics</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/energy" class="usa-nav__link">Energy</a> </li> </ul></div><div class="column-break tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/environment" class="usa-nav__link">Environment</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/fire" class="usa-nav__link">Fire</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/forensic-science" class="usa-nav__link">Forensic science</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/health" class="usa-nav__link">Health</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/information-technology" class="usa-nav__link">Information technology</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/infrastructure" class="usa-nav__link">Infrastructure</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/manufacturing" class="usa-nav__link">Manufacturing</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/materials" class="usa-nav__link">Materials</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/mathematics-statistics" class="usa-nav__link">Mathematics and statistics</a> </li> </ul></div><div class="column-break tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/metrology" class="usa-nav__link">Metrology</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/nanotechnology" class="usa-nav__link">Nanotechnology</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/neutron-research" class="usa-nav__link">Neutron research</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/performance-excellence" class="usa-nav__link">Performance excellence</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/physics" class="usa-nav__link">Physics</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/public-safety" class="usa-nav__link">Public safety</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/resilience" class="usa-nav__link">Resilience</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/standards" class="usa-nav__link">Standards</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/transportation" class="usa-nav__link">Transportation</a> </li> </ul> </div> </div> </div> </li> <li class="usa-nav__primary-item"> <a class="usa-nav__link" href="/web/20230208081314/https://www.nist.gov/publications">Publications</a> </li> <li class="usa-nav__primary-item"> <button class="usa-accordion__button usa-nav__link" aria-expanded="false" aria-controls="primary_menu-3"><span>Labs & Major Programs</span></button> <div id="primary_menu-3" class="usa-nav__submenu usa-megamenu"> <div class="grid-row"> <div class="tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/labs-major-programs/laboratories" class="usa-nav__link">Laboratories</a> <ul class="usa-nav__submenu-list"> <li> <a href="/web/20230208081314/https://www.nist.gov/ctl" class="usa-nav__link">Communications Technology Laboratory</a> </li> <li> <a href="/web/20230208081314/https://www.nist.gov/el" class="usa-nav__link">Engineering Laboratory</a> </li> <li> <a href="/web/20230208081314/https://www.nist.gov/itl" class="usa-nav__link">Information Technology Laboratory</a> </li> <li> <a href="/web/20230208081314/https://www.nist.gov/mml" class="usa-nav__link">Material Measurement Laboratory</a> </li> <li> <a href="/web/20230208081314/https://www.nist.gov/pml" class="usa-nav__link">Physical Measurement Laboratory</a> </li> </ul> </li> </ul></div><div class="column-break tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/labs-major-programs/user-facilities" class="usa-nav__link">User Facilities</a> <ul class="usa-nav__submenu-list"> <li> <a href="/web/20230208081314/https://www.nist.gov/ncnr" class="usa-nav__link">NIST Center for Neutron Research</a> </li> <li> <a href="/web/20230208081314/https://www.nist.gov/cnst" class="usa-nav__link">CNST NanoFab</a> </li> </ul> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/labs-major-programs/research-test-beds" class="usa-nav__link">Research Test Beds</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/laboratories/projects-programs" class="usa-nav__link">Research Projects</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/laboratories/tools-instruments" class="usa-nav__link">Tools & Instruments</a> </li> </ul></div><div class="column-break tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/labs-major-programs/major-programs" class="usa-nav__link">Major Programs</a> <ul class="usa-nav__submenu-list"> <li> <a href="/web/20230208081314/https://www.nist.gov/baldrige" class="usa-nav__link">Baldrige Performance Excellence Program</a> </li> <li> <a href="/web/20230208081314/https://www.nist.gov/chips" class="usa-nav__link">CHIPS for America Initiative</a> </li> <li> <a href="/web/20230208081314/https://www.nist.gov/mep" class="usa-nav__link">Manufacturing Extension Partnership (MEP)</a> </li> <li> <a href="/web/20230208081314/https://www.nist.gov/oam" class="usa-nav__link">Office of Advanced Manufacturing</a> </li> <li> <a href="/web/20230208081314/https://www.nist.gov/spo" class="usa-nav__link">Special Programs Office</a> </li> <li> <a href="/web/20230208081314/https://www.nist.gov/tpo" class="usa-nav__link">Technology Partnerships Office</a> </li> </ul> </li> </ul> </div> </div> </div> </li> <li class="usa-nav__primary-item"> <button class="usa-accordion__button usa-nav__link" aria-expanded="false" aria-controls="primary_menu-4"><span>Services & Resources</span></button> <div id="primary_menu-4" class="usa-nav__submenu usa-megamenu"> <div class="grid-row"> <div class="tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/services-resources/standards-and-measurements" class="usa-nav__link">Standards and Measurements</a> <ul class="usa-nav__submenu-list"> <li> <a href="/web/20230208081314/https://www.nist.gov/calibrations" class="usa-nav__link">Calibration Services</a> </li> <li> <a href="/web/20230208081314/https://www.nist.gov/nvlap" class="usa-nav__link">Laboratory Accreditation (NVLAP)</a> </li> <li> <a href="/web/20230208081314/https://www.nist.gov/nist-quality-system" class="usa-nav__link">Quality System</a> </li> <li> <a href="/web/20230208081314/https://www.nist.gov/srm" class="usa-nav__link">Standard Reference Materials (SRMs)</a> </li> <li> <a href="/web/20230208081314/https://www.nist.gov/standardsgov" class="usa-nav__link">Standards.gov</a> </li> <li> <a href="/web/20230208081314/https://www.nist.gov/pml/time-and-frequency-division/time-services" class="usa-nav__link">Time Services</a> </li> <li> <a href="/web/20230208081314/https://www.nist.gov/pml/owm" class="usa-nav__link">Office of Weights and Measures</a> </li> </ul> </li> </ul></div><div class="column-break tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/services-resources/software" class="usa-nav__link">Software</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/data" class="usa-nav__link">Data</a> <ul class="usa-nav__submenu-list"> <li> <a href="https://web.archive.org/web/20230208081314/https://webbook.nist.gov/chemistry/" class="usa-nav__link">Chemistry WebBook</a> </li> <li> <a href="https://web.archive.org/web/20230208081314/https://nvd.nist.gov/" class="usa-nav__link">National Vulnerability Database</a> </li> <li> <a href="/web/20230208081314/https://www.nist.gov/pml/productsservices/physical-reference-data" class="usa-nav__link">Physical Reference Data</a> </li> <li> <a href="/web/20230208081314/https://www.nist.gov/srd" class="usa-nav__link">Standard Reference Data (SRD)</a> </li> </ul> </li> <li class="usa-nav__submenu-item"> <a href="https://web.archive.org/web/20230208081314/https://www.nist.gov/shop" class="usa-nav__link">Storefront</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/tpo" class="usa-nav__link">License & Patents</a> </li> </ul></div><div class="column-break tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="https://web.archive.org/web/20230208081314/https://csrc.nist.gov/" class="usa-nav__link">Computer Security Resource Center (CSRC)</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/nist-research-library" class="usa-nav__link">NIST Research Library</a> </li> </ul> </div> </div> </div> </li> <li class="usa-nav__primary-item"> <button class="usa-accordion__button usa-nav__link" aria-expanded="false" aria-controls="primary_menu-5"><span>News & Events</span></button> <div id="primary_menu-5" class="usa-nav__submenu usa-megamenu"> <div class="grid-row"> <div class="tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/news-events/news" class="usa-nav__link">News</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/news-events/events" class="usa-nav__link">Events</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/blogs" class="usa-nav__link">Blogs</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/feature-stories" class="usa-nav__link">Feature Stories</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/awards" class="usa-nav__link">Awards</a> </li> </ul></div><div class="column-break tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/video-gallery" class="usa-nav__link">Video Gallery</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/image-gallery" class="usa-nav__link">Image Gallery</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/director/pao/media-contacts" class="usa-nav__link">Media Contacts</a> </li> </ul> </div> </div> </div> </li> <li class="usa-nav__primary-item"> <button class="usa-accordion__button usa-nav__link" aria-expanded="false" aria-controls="primary_menu-6"><span>About NIST</span></button> <div id="primary_menu-6" class="usa-nav__submenu usa-megamenu"> <div class="grid-row"> <div class="tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/about-nist" class="usa-nav__link">About Us</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/about-nist/contact-us" class="usa-nav__link">Contact Us</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/about-nist/visit" class="usa-nav__link">Visit</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/careers" class="usa-nav__link">Careers</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/director/nist-organization-structure" class="usa-nav__link">Our Organization</a> <ul class="usa-nav__submenu-list"> <li> <a href="/web/20230208081314/https://www.nist.gov/director" class="usa-nav__link">Office of the Director</a> </li> <li> <a href="/web/20230208081314/https://www.nist.gov/director/nist-organization-structure/budget-planning" class="usa-nav__link">Budget & Planning</a> </li> </ul> </li> </ul></div><div class="column-break tablet:grid-col-fill"><ul class="usa-nav__submenu-list"> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/about-nist/work-nist" class="usa-nav__link">Work with NIST</a> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/history" class="usa-nav__link">History</a> <ul class="usa-nav__submenu-list"> <li> <a href="https://web.archive.org/web/20230208081314/http://nistdigitalarchives.contentdm.oclc.org/" class="usa-nav__link">NIST Digital Archives</a> </li> <li> <a href="/web/20230208081314/https://www.nist.gov/nist-museum" class="usa-nav__link">NIST Museum</a> </li> <li> <a href="/web/20230208081314/https://www.nist.gov/nist-and-nobel" class="usa-nav__link">NIST and the Nobel</a> </li> </ul> </li> <li class="usa-nav__submenu-item"> <a href="/web/20230208081314/https://www.nist.gov/education" class="usa-nav__link">Educational Resources</a> </li> </ul> </div> </div> </div> </li> </ul> </div> </nav> </header> <!-- nist-index-ignore-end --> </div> <div class="grid-container"> <div data-drupal-messages-fallback class="hidden"></div> </div> <div id="block-nist-www-content" class="nist-block"> <section class="nist-page__content usa-section clearfix"> <a id="main-content" tabindex="-1"></a> <div class="nist-page__region nist-page__region--content-top-full"> <div class="nist-block"> <div class="nist-section-header nist-section-header--411896 nist-section-header--menu nist-section-header--interior"> <div class="nist-section-header__top grid-container"> <a href="/web/20230208081314/https://www.nist.gov/pml">Physical Measurement Laboratory</a> </div> <div class="nist-section-header__sub"> <div class="nist-section-header__main grid-container"> <div class="nist-section-header__title"> <h2><a href="/web/20230208081314/https://www.nist.gov/pml/owm">Office of Weights and Measures</a></h2> </div> </div> </div> </div> </div> </div> <div class="grid-container margin-top-4"> <div class="grid-row grid-gap-6"> <aside class="nist-page__region nist-page__region--sidebar-first tablet-lg:grid-col-4 desktop-lg:grid-col-3"> <div> <!-- nist-index-ignore-start --> <div class="views-element-container nist-block nist-block--section-nav" data-elastic-exclude=""> <div><div class="js-view-dom-id-20a61386fdf04c8278d2b2a2a54682a9cf511b320c5e3ee8c4682172dfbe0e76"> <div><div class="views-field views-field-nid"><span class="field-content"> <nav> <ul class="usa-sidenav usa-accordion "> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml" data-drupal-link-system-path="">Laboratory Homepage</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm" data-drupal-link-system-path="">Division Homepage</a> </li> <li class="usa-sidenav__item usa-sidenav__item--parent"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/programs" class="usa-current" data-drupal-link-system-path="">Programs</a> <button class="usa-accordion__button" aria-expanded="true" aria-controls="menu-office-of-weights-and-measu-3"><span class="usa-sr-only">Expand or Collapse</span></button> <ul id="menu-office-of-weights-and-measu-3" class="usa-sidenav__sublist usa-accordion"> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/international-legal-metrology" data-drupal-link-system-path="">International Legal Metrology</a> <button class="usa-accordion__button" aria-expanded="false" aria-controls="menu-office-of-weights-and-measu-3-1"><span class="usa-sr-only">Expand or Collapse</span></button> <ul id="menu-office-of-weights-and-measu-3-1" class="usa-sidenav__sublist usa-accordion"> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/international-legal-metrology/documentary-standards" data-drupal-link-system-path="">Documentary Standards</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/international-legal-metrology/glossary-acronyms" data-drupal-link-system-path="">Glossary of Acronyms</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/international-legal-metrology/ilmp-organizational-primer" data-drupal-link-system-path="">ILMP Organizational Primer</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/international-legal-metrology/oiml-resources" data-drupal-link-system-path="">OIML Resources</a> </li> </ul> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/laboratory-metrology" data-drupal-link-system-path="">Laboratory Metrology</a> <button class="usa-accordion__button" aria-expanded="false" aria-controls="menu-office-of-weights-and-measu-3-2"><span class="usa-sr-only">Expand or Collapse</span></button> <ul id="menu-office-of-weights-and-measu-3-2" class="usa-sidenav__sublist usa-accordion"> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/laboratory-metrology/calibration-procedures" data-drupal-link-system-path="">Calibration Procedures</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/laboratory-metrology/standard-operating-procedures" data-drupal-link-system-path="">Standard Operating Procedures</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/laboratory-metrology/good-laboratory-practices" data-drupal-link-system-path="">Good Laboratory Practices</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/laboratory-metrology/good-measurement-practices" data-drupal-link-system-path="">Good Measurement Practices</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/laboratory-metrology/proficiency-testing" data-drupal-link-system-path="">Proficiency Testing</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/laboratory-metrology/state-lab-program-resources" data-drupal-link-system-path="">State Lab Program Resources</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/laboratory-metrology/lab-metrology-training" data-drupal-link-system-path="">Lab Metrology Training</a> </li> </ul> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/laws-and-regulations" class="usa-current" data-drupal-link-system-path="">Laws and Regulations</a> <button class="usa-accordion__button" aria-expanded="true" aria-controls="menu-office-of-weights-and-measu-3-3"><span class="usa-sr-only">Expand or Collapse</span></button> <ul id="menu-office-of-weights-and-measu-3-3" class="usa-sidenav__sublist usa-accordion"> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/laws-and-regulations/fuels-and-lubricants-subcommittee" data-drupal-link-system-path="">Fuels and Lubricants Subcommittee</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/laws-and-regulations/lr-resources" data-drupal-link-system-path="">L&R Resources</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/laws-and-regulations/packaging-and-labeling" data-drupal-link-system-path="">Packaging and Labeling</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/laws-and-regulations/precious-metals-conversion" data-drupal-link-system-path="">Precious Metals Conversion</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/laws-and-regulations/price-verification" data-drupal-link-system-path="">Price Verification</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/laws-and-regulations/retail-and-unit-pricing-laws" class="usa-current" data-drupal-link-system-path="">Retail and Unit Pricing Laws</a> </li> </ul> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/legal-metrology-devices" data-drupal-link-system-path="">Legal Metrology Devices</a> <button class="usa-accordion__button" aria-expanded="false" aria-controls="menu-office-of-weights-and-measu-3-4"><span class="usa-sr-only">Expand or Collapse</span></button> <ul id="menu-office-of-weights-and-measu-3-4" class="usa-sidenav__sublist usa-accordion"> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/legal-metrology-devices/hydrogen-us-national-work-group" data-drupal-link-system-path="">Hydrogen: U.S. National Work Group</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/legal-metrology-devices/taximeters-us-national-work-group" data-drupal-link-system-path="">Taximeters: U.S. National Work Group</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/legal-metrology-devices/electric-vehicle-fueling-and-submetering" data-drupal-link-system-path="">Electric Vehicle Fueling and Submetering</a> </li> <li class="usa-sidenav__item"> <a href="https://web.archive.org/web/20230208081314/https://www.ncwm.com/ntep-about" data-drupal-link-system-path="">NTEP</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/legal-metrology-devices/training-materials" data-drupal-link-system-path="">Training Materials</a> </li> </ul> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/metric-si" data-drupal-link-system-path="">Metric (SI)</a> <button class="usa-accordion__button" aria-expanded="false" aria-controls="menu-office-of-weights-and-measu-3-5"><span class="usa-sr-only">Expand or Collapse</span></button> <ul id="menu-office-of-weights-and-measu-3-5" class="usa-sidenav__sublist usa-accordion"> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/metric-si/us-metrication" data-drupal-link-system-path="">U.S. Metrication</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/metric-si/si-units" data-drupal-link-system-path="">SI Units</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/metric-si/understanding-metric" data-drupal-link-system-path="">Understanding Metric</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/metric-si/everyday-metric" data-drupal-link-system-path="">Everyday with Metric</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/metric-si/si-education-training" data-drupal-link-system-path="">SI Education & Training</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/metric-si/unit-conversion" data-drupal-link-system-path="">Unit Conversion</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/metric-si/metric-policy" data-drupal-link-system-path="">Metric Policy</a> </li> </ul> </li> </ul> </li> <li class="usa-sidenav__item usa-sidenav__item--parent"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/publications" data-drupal-link-system-path="">Publications</a> <button class="usa-accordion__button" aria-expanded="false" aria-controls="menu-office-of-weights-and-measu-4"><span class="usa-sr-only">Expand or Collapse</span></button> <ul id="menu-office-of-weights-and-measu-4" class="usa-sidenav__sublist usa-accordion"> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/publications/measurement-matters-newsletter" data-drupal-link-system-path="">Measurement Matters Newsletter</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/publications/nist-handbooks" data-drupal-link-system-path="">NIST Handbooks</a> <button class="usa-accordion__button" aria-expanded="false" aria-controls="menu-office-of-weights-and-measu-4-2"><span class="usa-sr-only">Expand or Collapse</span></button> <ul id="menu-office-of-weights-and-measu-4-2" class="usa-sidenav__sublist usa-accordion"> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/publications/nist-handbooks/handbook-44-current-edition" data-drupal-link-system-path="">Handbook 44 Current Edition</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/publications/nist-handbooks/handbook-130-current-edition" data-drupal-link-system-path="">Handbook 130 Current Edition</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/weights-and-measures/publications/nist-handbooks/handbook-133-current-edition" data-drupal-link-system-path="">Handbook 133 Current Edition</a> </li> </ul> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/publications/nist-special-publications" data-drupal-link-system-path="">NIST Special Publications</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/publications/internal-reports-nistir" data-drupal-link-system-path="">Internal Reports (NISTIR)</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/publications/metric-publications" data-drupal-link-system-path="">Metric Publications</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/publications/ncwm-annual-reports" data-drupal-link-system-path="">NCWM Annual Reports</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/publications/owm-technical-analysis" data-drupal-link-system-path="">OWM Technical Analysis</a> </li> </ul> </li> <li class="usa-sidenav__item usa-sidenav__item--parent"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/training" data-drupal-link-system-path="">Training</a> <button class="usa-accordion__button" aria-expanded="false" aria-controls="menu-office-of-weights-and-measu-5"><span class="usa-sr-only">Expand or Collapse</span></button> <ul id="menu-office-of-weights-and-measu-5" class="usa-sidenav__sublist usa-accordion"> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/training" data-drupal-link-system-path="">Calendar of Events</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/training/resources-continuing-education-and-training" data-drupal-link-system-path="">Resources for Continuing Education and Training</a> </li> </ul> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/us-national-working-groups" data-drupal-link-system-path="">U.S. National Working Groups</a> </li> <li class="usa-sidenav__item usa-sidenav__item--parent"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/resources" data-drupal-link-system-path="">Resources</a> <button class="usa-accordion__button" aria-expanded="false" aria-controls="menu-office-of-weights-and-measu-7"><span class="usa-sr-only">Expand or Collapse</span></button> <ul id="menu-office-of-weights-and-measu-7" class="usa-sidenav__sublist usa-accordion"> <li class="usa-sidenav__item"> <a href="https://web.archive.org/web/20230208081314/https://tsapps.nist.gov/WMD/default.aspx" data-drupal-link-system-path="">OWM Contacts Systems</a> <button class="usa-accordion__button" aria-expanded="false" aria-controls="menu-office-of-weights-and-measu-7-1"><span class="usa-sr-only">Expand or Collapse</span></button> <ul id="menu-office-of-weights-and-measu-7-1" class="usa-sidenav__sublist usa-accordion"> <li class="usa-sidenav__item"> <a href="https://web.archive.org/web/20230208081314/https://www.nist.gov/system/files/documents/pml/wmd/InstructionsHowToRequestResetPassword-web.pdf" data-drupal-link-system-path="">How to Reset Password Using the Contacts System (PDF)</a> </li> <li class="usa-sidenav__item"> <a href="https://web.archive.org/web/20230208081314/https://www.nist.gov/system/files/documents/2016/09/07/Quick-Guide-for-Requesting-Training.pdf" data-drupal-link-system-path="">Quick Guide for OWM Contacts System (PDF)</a> </li> <li class="usa-sidenav__item"> <a href="https://web.archive.org/web/20230208081314/https://www.nist.gov/system/files/documents/pml/wmd/InstructionsHowToRequestRequest-Pub.pdf" data-drupal-link-system-path="">How to Request Publications using OWM Contacts System (PDF)</a> </li> <li class="usa-sidenav__item"> <a href="https://web.archive.org/web/20230208081314/https://www.nist.gov/system/files/documents/2016/09/07/InstructionsHowToRequestTrainingTranscripts.pdf" data-drupal-link-system-path="">How to Request Training & Transcript Using the Contacts System (PDF)</a> </li> </ul> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/resources/nist-owm-security-and-privacy-policies" data-drupal-link-system-path="">NIST / OWM Security and Privacy Policies</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/resources/state-directors" data-drupal-link-system-path="">State Directors</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/resources/state-laboratories" data-drupal-link-system-path="">State Laboratories</a> </li> <li class="usa-sidenav__item"> <a href="https://web.archive.org/web/20230208081314/https://www.ncwm.com/" data-drupal-link-system-path="">The National Conference on Weights and Measures (NCWM)</a> </li> <li class="usa-sidenav__item"> <a href="https://web.archive.org/web/20230208081314/https://www.nist.gov/system/files/documents/2021/07/20/WMD-Directory-2021-July.pdf" data-drupal-link-system-path="">U.S. W&M and Metrologist Directory</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/resources/weights-and-measures-news" data-drupal-link-system-path="">Weights and Measures in the News</a> </li> </ul> </li> <li class="usa-sidenav__item usa-sidenav__item--parent"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/staff-and-technical-experts-directory" data-drupal-link-system-path="">Staff and Technical Experts Directory</a> <button class="usa-accordion__button" aria-expanded="false" aria-controls="menu-office-of-weights-and-measu-8"><span class="usa-sr-only">Expand or Collapse</span></button> <ul id="menu-office-of-weights-and-measu-8" class="usa-sidenav__sublist usa-accordion"> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/staff-and-technical-experts-directory/federal-staff" data-drupal-link-system-path="">Federal Staff</a> </li> <li class="usa-sidenav__item"> <a href="/web/20230208081314/https://www.nist.gov/pml/owm/staff-and-technical-experts-directory/associates-interns" data-drupal-link-system-path="">Associates & Interns</a> </li> </ul> </li> </ul> </nav> </span></div></div> </div> </div> </div> <!-- nist-index-ignore-end --> <!-- nist-index-ignore-start --> <div class="views-element-container nist-block nist-social__wrapper--block" data-elastic-exclude=""> <h2 class="nist-block__title">Connect with us</h2> <div><div class="js-view-dom-id-a58f07e0df4b2e1792c0b854f011bfb2160666bc54aaf78296531b2c977f81aa"> <div><div class="views-field views-field-nid"><span class="field-content"> <div><a href="https://web.archive.org/web/20230208081314/https://public.govdelivery.com/accounts/USNIST/subscriber/new?topic_id=USNIST_596" class="nist-social nist-social--envelope" title="GovDelivery"><span>GovDelivery</span></a></div></span></div></div> </div> </div> </div> <!-- nist-index-ignore-end --> </div> </aside> <div class="nist-page__region nist-page__region--content tablet-lg:grid-col-8 desktop-lg:grid-col-9"> <div class="nist-block"> <h1 class="nist-page__title">A Guide to U.S. Retail Pricing Laws and Regulations</h1> </div> <div class="nist-block"> <!-- nist-index-ignore-start --> <div data-elastic-exclude class="nist-block nist-social__wrapper"> <h2 class="nist-social__title">Share</h2> <div class="social-media-sharing"> <div class="nist-social__wrapper--share"> <div> <a target="_blank" rel="noopener" href="https://web.archive.org/web/20230208081314/https://www.facebook.com/share.php?u=https://www.nist.gov/pml/owm/laws-and-regulations/retail-and-unit-pricing-laws" title="Facebook" class="nist-social nist-social--facebook-gray"> <span>Facebook</span> </a> </div> <div> <a target="_blank" rel="noopener" href="https://web.archive.org/web/20230208081314/https://www.linkedin.com/shareArticle?mini=true&url=https://www.nist.gov/pml/owm/laws-and-regulations/retail-and-unit-pricing-laws&source=https://www.nist.gov/pml/owm/laws-and-regulations/retail-and-unit-pricing-laws" title="Linkedin" class="nist-social nist-social--linkedin-gray"> <span>Linkedin</span> </a> </div> <div> <a target="_blank" rel="noopener" href="https://web.archive.org/web/20230208081314/https://twitter.com/intent/tweet?url=https://www.nist.gov/pml/owm/laws-and-regulations/retail-and-unit-pricing-laws&status=https://www.nist.gov/pml/owm/laws-and-regulations/retail-and-unit-pricing-laws" title="Twitter" class="nist-social nist-social--twitter-gray"> <span>Twitter</span> </a> </div> <div> <a href="https://web.archive.org/web/20230208081314/mailto:/?subject=NIST.gov&body=Check out this site https://www.nist.gov/pml/owm/laws-and-regulations/retail-and-unit-pricing-laws" title="Email" class="nist-social nist-social--envelope-gray"> <span>Email</span> </a> </div> </div> </div> </div> <!-- nist-index-ignore-end --> </div> <div class="nist-block"> <div class="text-with-summary"> <p><a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="dc5282d8-6557-4fe7-9217-75530111a762" href="/web/20230208081314/https://www.nist.gov/pml/owm/us-retail-pricing-laws-and-regulations-state" title="U.S. Retail Pricing Laws and Regulations by State">U.S. Pricing Laws and Regulations by listing state</a></p> <p>This guide is intended to provide the user with an overview of the laws and regulations each state has relating to the retail pricing of commodities in the marketplace. 聽Pricing laws and regulations can vary by state, so it is important to understand the pricing laws and regulations of any state in which you do business. 聽</p> <p>Weights and Measures is generally the enforcement agency of the state that is given the authority and power to ensure adherence to their pricing laws and regulations.聽 The source of the information below is provided by the state director on an annual basis. 聽</p> <p>For specific questions regarding this information, please contact the <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="fa5f090d-3d55-4b00-ab15-1051eb3fd584" href="/web/20230208081314/https://www.nist.gov/pml/owm/resources/state-directors" title="State Directors">State Director</a>.</p> <h3>Unit Pricing</h3> <h3><a class="media-link-ga" data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="2d8348a4-9046-4f71-b6f9-2c75447b5b43" href="/web/20230208081314/https://www.nist.gov/publications/unit-pricing-guide-best-practice-approach-unit-pricing" title="SP1181-Unit-Pricing-Guide.pdf">NIST SP 1181:</a> Unit Pricing Guide "A Best Practice Approach to Unit Pricing" (2015)</h3> <p>Currently, nineteen (19) states and two (2) territories have unit pricing laws or regulations in force. Eleven (11) of these have mandatory unit pricing provisions. They are: Connecticut, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Oregon, Puerto Rico, Rhode Island, Vermont and the Virgin Islands. For further information and a listing of states who adopt unit pricing laws and regulations, you may visit <a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="d2fe7244-4c76-492b-bdf6-1ac3ee9b3143" href="/web/20230208081314/https://www.nist.gov/pml/owm/publications/nist-handbooks/handbook-130-current-edition" title="NIST Handbook 130 - Current Edition">NIST Handbook 130</a>, Uniformity of Laws and Regulations. The chart is located in Chapter II.</p> <h3>Item Pricing</h3> <p>In addition, eight (8) states require some level of mandatory item pricing (see note below). They are Arizona, California, Connecticut, Massachusetts, Michigan, New Hampshire, New Mexico and New York. New York mandatory item pricing laws vary by county. Contact New York directly for a complete listing.</p> <p><strong>NOTE:</strong> The states listed above have exemptions to item pricing. Be sure to review the law or contact the state director for more information.</p> <h3>Other Resources</h3> <p><a data-entity-substitution="canonical" data-entity-type="node" data-entity-uuid="d2fe7244-4c76-492b-bdf6-1ac3ee9b3143" href="/web/20230208081314/https://www.nist.gov/pml/owm/publications/nist-handbooks/handbook-130-current-edition" title="NIST Handbook 130 - Current Edition">NIST Handbook 130</a>, Chapter II. Uniformity of Laws and Regulations provide a listing of states and the various laws and regulations that they adopt.</p> <p>Chapter III, Uniform Laws describes the many uniform laws states adopt including Section 7, Requirements for Unit Pricing; Section 15, Misrepresentation of Pricing; Section 22, Civil Penalties; and Section 23, Criminal Penalties..</p> <p>It should also be noted that Chapter IV, Section C<strong>. </strong>Uniform Unit Pricing Regulation allows for either Metric or customary units to be used. This complements the Fair Packaging and Labeling Act (FPLA), which requires packages to have both metric and customary units net content labeling. The FPLA applies to products that are regulated by the Food and Drug Administration (FDA). The decision to provide unit price information in metric rests with retailers.聽 Uniform Unit Pricing Regulations apply only when stores voluntarily provide unit pricing information.聽<strong> </strong>The unit of measure chosen must be consistent across like items within the category.</p> </div> </div> </div> </div> </div> <div class="grid-container"> <div class="nist-page__region nist-page__region--content-bottom"> <div class="nist-block"> <div class="text-italic font-sans-2xs"> Created September 30, 2010, Updated May 4, 2022 </div> </div> </div> </div> </section> </div> <div data-elastic-exclude> <!-- nist-index-ignore-start --> <footer class="nist-footer padding-bottom-4"> <div class="grid-container nist-footer__info"> <div class="grid-row"> <div class="tablet:grid-col-6"> <div class="nist-footer__logo"> <a href="/web/20230208081314/https://www.nist.gov/" title="National Institute of Standards and Technology" rel="home"> <img class="nist-footer__logo-img" src="/web/20230208081314im_/https://www.nist.gov/libraries/nist-component-library/dist/img/logo/NIST-Logo-Brand-White.svg" alt="National Institute of Standards and Technology logo" width="300px" height="42px"/> </a> </div> <div class="nist-footer__contact"> <h3 class="nist-footer__contact-heading">HEADQUARTERS</h3> <address> 100 Bureau Drive<br> Gaithersburg, MD 20899<br> <a href="https://web.archive.org/web/20230208081314/tel:301-975-2000">301-975-2000</a> </address> <p> <a href="https://web.archive.org/web/20230208081314/mailto:do-webmaster@nist.gov">Webmaster</a> | <a href="https://web.archive.org/web/20230208081314/https://www.nist.gov/about-nist/contact-us">Contact Us</a> | <a href="https://web.archive.org/web/20230208081314/https://www.nist.gov/visit">Our Other Offices</a> </p> </div> </div> <div class="tablet:grid-col-6"> <div class="nist-footer__social-links"> <a class="nist-social nist-social--twitter-white" href="https://web.archive.org/web/20230208081314/https://twitter.com/NIST"> <span>Twitter</span> </a> <a class="nist-social nist-social--facebook-white" href="https://web.archive.org/web/20230208081314/https://www.facebook.com/NIST"> <span>Facebook</span> </a> <a class="nist-social nist-social--linkedin-white" href="https://web.archive.org/web/20230208081314/https://www.linkedin.com/company/nist"> <span>LinkedIn</span> </a> <a class="nist-social nist-social--instagram-white" href="https://web.archive.org/web/20230208081314/https://www.instagram.com/nist/"> <span>Instagram</span> </a> <a class="nist-social nist-social--youtube-white" href="https://web.archive.org/web/20230208081314/https://www.youtube.com/NIST"> <span>YouTube</span> </a> <a class="nist-social nist-social--giphy-white" href="https://web.archive.org/web/20230208081314/https://giphy.com/nist"> <span>Giphy</span> </a> <a class="nist-social nist-social--rss-white" href="https://web.archive.org/web/20230208081314/https://www.nist.gov/news-events/nist-rss-feeds"> <span>RSS Feed</span> </a> <a class="nist-social nist-social--envelope-white" href="https://web.archive.org/web/20230208081314/https://public.govdelivery.com/accounts/USNIST/subscriber/new"> <span>Mailing List</span> </a> </div> <div class="nist-footer__feedback"> How are we doing? <a class="usa-button" rel="nofollow" href="/web/20230208081314/https://www.nist.gov/form/nist-gov-feedback?destination=/pml/owm/laws-and-regulations/retail-and-unit-pricing-laws" title="Provide feedback">Feedback</a> </div> </div> </div> </div> <div class="grid-container"> <div class="nist-footer__nav" role="navigation"> <ul> <li class="nist-footer__menu-item"> <a href="https://web.archive.org/web/20230208081314/https://www.nist.gov/privacy-policy">Site Privacy</a> </li> <li class="nist-footer__menu-item"> <a href="https://web.archive.org/web/20230208081314/https://www.nist.gov/oism/accessibility">Accessibility</a> </li> <li class="nist-footer__menu-item"> <a href="https://web.archive.org/web/20230208081314/https://www.nist.gov/privacy">Privacy Program</a> </li> <li class="nist-footer__menu-item"> <a href="https://web.archive.org/web/20230208081314/https://www.nist.gov/oism/copyrights">Copyrights</a> </li> <li class="nist-footer__menu-item"> <a href="https://web.archive.org/web/20230208081314/https://www.commerce.gov/vulnerability-disclosure-policy">Vulnerability Disclosure</a> </li> <li class="nist-footer__menu-item"> <a href="https://web.archive.org/web/20230208081314/https://www.nist.gov/no-fear-act-policy">No Fear Act Policy</a> </li> <li class="nist-footer__menu-item"> <a href="https://web.archive.org/web/20230208081314/https://www.nist.gov/office-director/freedom-information-act">FOIA</a> </li> <li class="nist-footer__menu-item"> <a href="https://web.archive.org/web/20230208081314/https://www.nist.gov/environmental-policy-statement">Environmental Policy</a> </li> <li class="nist-footer__menu-item"> <a href="https://web.archive.org/web/20230208081314/https://www.nist.gov/summary-report-scientific-integrity">Scientific Integrity</a> </li> <li class="nist-footer__menu-item"> <a href="https://web.archive.org/web/20230208081314/https://www.nist.gov/nist-information-quality-standards">Information Quality Standards</a> </li> <li class="nist-footer__menu-item"> <a href="https://web.archive.org/web/20230208081314/https://www.commerce.gov/">Commerce.gov</a> </li> <li class="nist-footer__menu-item"> <a href="https://web.archive.org/web/20230208081314/http://www.science.gov/">Science.gov</a> </li> <li class="nist-footer__menu-item"> <a href="https://web.archive.org/web/20230208081314/http://www.usa.gov/">USA.gov</a> </li> <li class="nist-footer__menu-item"> <a href="https://web.archive.org/web/20230208081314/https://vote.gov/">Vote.gov</a> </li> </ul> </div> </div> </footer> <!-- nist-index-ignore-end --> </div> </div> <script type="application/json" data-drupal-selector="drupal-settings-json">{"path":{"baseUrl":"\/","scriptPath":null,"pathPrefix":"","currentPath":"node\/430096","currentPathIsAdmin":false,"isFront":false,"currentLanguage":"en"},"pluralDelimiter":"\u0003","suppressDeprecationErrors":true,"ajaxPageState":{"theme":"nist_www","libraries":"back_to_top\/back_to_top_icon,back_to_top\/back_to_top_js,extlink\/drupal.extlink,google_analytics\/google_analytics,nist\/global,nist\/global-js,nist\/header-js,nist\/microsite,nist_linkit_filter\/nist_linkit_filter_ga,nist_www\/global,nist_www\/global-js,nist_www\/microsite,social_media\/basic,system\/base,views\/views.module"},"back_to_top":{"back_to_top_button_trigger":100,"back_to_top_prevent_on_mobile":false,"back_to_top_prevent_in_admin":true,"back_to_top_button_type":"image","back_to_top_button_text":"Back to top"},"google_analytics":{"account":"UA-66610693-3","trackOutbound":true,"trackMailto":true,"trackTel":true,"trackDownload":true,"trackDownloadExtensions":"7z|aac|arc|arj|asf|asx|avi|bin|bsh|c|csv|doc(x|m)?|dot(x|m)?|dw(fx|g|gd)|dxf|eps|epub|exe|f(90)|flv|gif|gz|gzip|hqx|jar|jpe?g|js|m1v|mp(2|3|4|e?g)|mobi|mov(ie)?|msi|msp|pdf|phps|pl|png|ppt(x|m)?|pot(x|m)?|pps(x|m)?|ppam|sld(x|m)?|thmx|qtm?|ra(m|r)?|rfa|rtf|rvt|sch|sea|sit|swf|tar|tgz|tif|txt|txz|wav|wma|wmv|wpd|wrl|xls(x|m|b)?|xlt(x|m)|xlam|xml|xsd|z|zip","trackDomainMode":1},"nist_search":{"clickTracking":"search-report-click","isDebug":false,"clickTrackEnabled":true,"message":"NIST Search in debug mode. Check the browsers network inspector for Click Track reporting results..."},"data":{"extlink":{"extTarget":false,"extTargetNoOverride":false,"extNofollow":false,"extNoreferrer":false,"extFollowNoOverride":false,"extClass":"ext","extLabel":"(link is external)","extImgClass":false,"extSubdomains":true,"extExclude":"\\.gov\\\/|\\.mil\\\/|\\manufacturingusa\\.com\\\/","extInclude":"","extCssExclude":"","extCssExplicit":"","extAlert":true,"extAlertText":"Thank you for visiting NIST. We hope your visit was informative. We have provided a link to this site because it has information that may be of interest to our users. NIST does not necessarily endorse the views expressed or the facts presented on this site. Further, NIST does not endorse any commercial products that may be advertised or available on this site. Click OK to be directed to your link.","mailtoClass":"0","mailtoLabel":"(link sends email)","extUseFontAwesome":false,"extIconPlacement":"append","extFaLinkClasses":"fa fa-external-link","extFaMailtoClasses":"fa fa-envelope-o","whitelistedDomains":[]}},"user":{"uid":0,"permissionsHash":"582eea317b4636ab5a0dffc8c6a006df3d6901ea5610498a0bbefc925ea1da0f"}}</script> <script src="/web/20230208081314js_/https://www.nist.gov/sites/default/files/js/js_DNL6VrEuHPrL959oUExCzGY3A7BXQIMYib7aZLaICi4.js"></script> <script src="https://web.archive.org/web/20230208081314js_/https://siteimproveanalytics.com/js/siteanalyze_6017546.js" async></script> <script src="/web/20230208081314js_/https://www.nist.gov/sites/default/files/js/js_c0hecns0CAftnzmCOwBYLxRa48pqi1xWMZwQH4JQ1gU.js"></script> <script type="text/javascript">window.NREUM||(NREUM={});NREUM.info={"beacon":"gov-bam.nr-data.net","licenseKey":"37b7ccb661","applicationID":"1089704227","transactionName":"YFxUN0sADEdYVkBaClkWdwBNCA1aFnFGRhVWVWoNVgUHaHpaWkcXWFVaBks9LFtdUGJaAEB6WQ1NEw1YVVBGHltBUFMU","queueTime":0,"applicationTime":531,"atts":"TBtXQQMaH0k=","errorBeacon":"gov-bam.nr-data.net","agent":""}</script></body> </html> <!-- FILE ARCHIVED ON 08:13:14 Feb 08, 2023 AND RETRIEVED FROM THE INTERNET ARCHIVE ON 23:45:29 Nov 25, 2024. JAVASCRIPT APPENDED BY WAYBACK MACHINE, COPYRIGHT INTERNET ARCHIVE. ALL OTHER CONTENT MAY ALSO BE PROTECTED BY COPYRIGHT (17 U.S.C. SECTION 108(a)(3)). --> <!-- playback timings (ms): captures_list: 2.57 exclusion.robots: 0.06 exclusion.robots.policy: 0.044 esindex: 0.016 cdx.remote: 17.686 LoadShardBlock: 265.556 (3) PetaboxLoader3.datanode: 233.288 (4) PetaboxLoader3.resolve: 101.82 (2) load_resource: 94.186 -->