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">Resources</a></div> <h1>Stages and resources for standards development</h1> </nav></div></div> </div> </section><section id="main-section" class=" "> <div class="container"> <div class="row " > <div class="col-md-12"><p class="lead">At the outset, each ISO deliverable is assigned to a <em>standards development</em> <em>track. </em>This track determines the timeframe of the project (<a href="/files/live/sites/isoorg/files/developing_standards/resources/docs/std%20dev%20target%20date%20planner.pdf" target="_blank" title="ISO standard development target date planner">18, 24, or 36 months</a>) as it passes through the various <em>stages</em> to publication. </p> <p>Whichever track is chosen, the development process for ISO standards follows defined stages. These stages, and the main resources required at each stage, are shown below.</p> <p>To understand the stages in full detail, visit <a href="/es/home/developing-standards/resources/stage-codes.html" title="International harmonized stage codes">our page on international harmonized stage codes</a>.</p> <p>For more information, contact your technical programme manager or send an e-mail to <a href="mailto:projects@iso.org">projects@iso.org</a>.</p><h2>Stages and resources for standards development</h2> <p>* = <em>obligatory stage</em></p><div class="step-list" > <div id="bootstrapTabsList_d79c8e5e-fc45-431b-be66-966689bd85c3" role="tabpanel"> <ul class="nav nav-pills " role="tablist"> <li class="nav-item" role="presentation"> <a class="nav-link active" data-bs-target="#tab1_d79c8e5e-fc45-431b-be66-966689bd85c3" data-bs-toggle="pill" role="tab" aria-selected="true"> Proposal stage*</a> </li><li class="nav-item" role="presentation"> <a class="nav-link " data-bs-target="#tab2_d79c8e5e-fc45-431b-be66-966689bd85c3" data-bs-toggle="pill" role="tab" aria-selected="false"> Preparatory stage</a> </li><li class="nav-item" role="presentation"> <a class="nav-link " data-bs-target="#tab3_d79c8e5e-fc45-431b-be66-966689bd85c3" data-bs-toggle="pill" role="tab" aria-selected="false"> Committee stage</a> </li><li class="nav-item" role="presentation"> <a class="nav-link " data-bs-target="#tab4_d79c8e5e-fc45-431b-be66-966689bd85c3" data-bs-toggle="pill" role="tab" aria-selected="false"> Enquiry stage*</a> </li><li class="nav-item" role="presentation"> <a class="nav-link " data-bs-target="#tab5_d79c8e5e-fc45-431b-be66-966689bd85c3" data-bs-toggle="pill" role="tab" aria-selected="false"> Approval stage</a> </li><li class="nav-item" role="presentation"> <a class="nav-link " data-bs-target="#tab6_d79c8e5e-fc45-431b-be66-966689bd85c3" data-bs-toggle="pill" role="tab" aria-selected="false"> Publication stage*</a> </li></ul> <div class="tab-content"> <div id="tab1_d79c8e5e-fc45-431b-be66-966689bd85c3" class="tab-pane show active fade in" role="tabpanel"> <h3><a id="stage10" name="stage10"></a>Proposal stage (10)</h3> <p>This first step is to confirm that a new International Standard in the subject area is really needed. (See the <em>Global relevance policy</em>.) A new work item proposal (NP) is submitted to the committee for vote using <em>Form 4</em>. The <em>electronic balloting portal</em> shall be used for the vote.</p> <p>The person being nominated as <em>project leader</em> is named on the Form.</p> <p>If there are possible complications around copyright, patents or conformity assessment they should be raised at this early stage.</p> <p><strong>This stage can be skipped for revisions and amendments to ISO standards that are already published (as long as the scope does not change).</strong></p> <hr /> <h6>Resources for Stage 10</h6> <ul> <li>ISO/IEC Directives Part 1 and Consolidated ISO Supplement, <a href="https://www.iso.org/sites/directives/current/consolidated/index.html#_Toc134090808" target="_blank" title="Section 2.3 of ISO/IEC Directives Part 1 and Consolidated ISO Supplement, ">subclause 2.3</a></li> <li><a href="https://www.iso.org/sd/fetch/d0dndtMtgUSiz-WfmM12N1rh-a4Dcb8VpKtNUoHJ4fDeHTnxdJcJUHuZi4d80TPY" title="ISO forms, model agendas, standard letters">Form 4 - New work item proposal</a></li> <li><a href="https://isotc.iso.org/livelink/eb3/" target="_blank" title="ISO Electronic balloting portal">Electronic balloting portal</a></li> <li><a href="/es/home/developing-standards/resources/iso-standards-and-patents.html" title="ISO Standards and Patents">Patent policy</a></li> <li><a href="/es/contents/data/publication/10/03/PUB100303.html" title="PUB100303 - Conformity assessment for standards writers - Do's and don'ts">Conformity assessment for standards writers - Do's and don'ts</a></li> <li><a href="/es/home/developing-standards/resources/governance-of-technical-work.html" title="Governance of technical work">Global relevance policy</a></li> <li><a href="https://www.iso.org/resources/publicly-available-resources.html?t=OF7wvV-X6LuuN83VzEkv_3lzqOrVr-81T8F6C-Leoojl3L9z5xmi0rAB1sxObxW6&view=documents#section-isodocuments-top" target="_blank" title="Vienna agreement (ISO/CEN)">Vienna agreement</a></li> </ul></div><div id="tab2_d79c8e5e-fc45-431b-be66-966689bd85c3" class="tab-pane fade" role="tabpanel"> <h3><a id="stage20" name="stage20"></a>Preparatory stage (20)</h3> <p>Usually a working group (WG) is set up by the parent committee to prepare the working draft (WD). The WG is made up of experts and a Convenor (usually the Project leader).</p> <p>During this stage, experts continue to look out for issues around copyright, patents and conformity assessment.</p> <p>Successive WDs can be circulated until the experts are satisfied that they have developed the best solution they can. The draft is then forwarded to the WG's parent committee who will decide which stage to go to next (Committee stage or Enquiry stage).</p> <p>The ISO/TC platform can be used for sharing documents at this and other stages of standards development.</p> <p><strong>For tips on writing standards see: <a href="/es/home/developing-standards/resources/drafting-standards.html" title="drafting-standards">Drafting Standards</a></strong>.</p> <hr /> <h6>Resources for Stage 20</h6> <ul> <li><a href="https://sd.iso.org/documents/" target="_blank" title="ISO TC platform">ISO TC platform</a></li> <li>ISO/IEC Directives Part 1 and Consolidated ISO Supplement, <a href="https://www.iso.org/sites/directives/current/consolidated/index.html#_Toc134090809" target="_blank" title="Section 2.4 of ISO/IEC Directives Part 1 and Consolidated ISO Supplement">subclause 2.4</a></li> <li><a href="/es/home/developing-standards/resources/iso-standards-and-patents.html" title="ISO Standards and Patents">Patent policy</a></li> <li><a href="/es/contents/data/publication/10/03/PUB100303.html" title="PUB100303 - Conformity assessment for standards writers - Do's and don'ts">Conformity assessment for standards writers - Do's and don'ts</a></li> <li><a href="/es/home/developing-standards/resources/drafting-standards.html" title="drafting-standards">Drafting Standards</a></li> </ul></div><div id="tab3_d79c8e5e-fc45-431b-be66-966689bd85c3" class="tab-pane fade" role="tabpanel"> <h3><a id="stage30" name="stage30"></a>Committee stage (30)</h3> <p><strong>This stage is optional. For guidance on when it can be skipped see <a href="https://www.iso.org/sites/directives/current/consolidated/index.html#_Toc134090872" target="_blank" title="Annex SS of the ISO/IEC Directives Part 1">Annex SS of the ISO/IEC Directives Part 1</a></strong>.</p> <p>During this stage the draft from the working group is shared with the members of the parent committee.</p> <p>If the committee uses this stage, the committee draft (CD) is circulated to the members of the committee who then comment using the Electronic Balloting Portal. Successive CDs can be circulated until consensus is reached on the technical content.</p> <hr /> <h6>Resources for Stage 30</h6> <ul> <li><a href="https://isotc.iso.org/livelink/eb3/" target="_blank" title="ISO Electronic balloting portal">Electronic balloting portal</a></li> <li><a href="https://www.iso.org/sd/fetch/PSZFHtyOugFUIDruPyR0ogyMoYDlKTA1sypI6GntSaLvADstlEUzb9SYcquvzKLd" title="ISO forms, model agendas, standard letters">Form – Limit date extension requests</a></li> <li>ISO/IEC Directives Part 1 and Consolidated ISO Supplement, <a href="https://www.iso.org/sites/directives/current/consolidated/index.html#_Toc134090810" target="_blank" title="Section 2.5 of ISO/IEC Directives Part 1 and Consolidated ISO Supplement">subclause 2.5</a></li> </ul></div><div id="tab4_d79c8e5e-fc45-431b-be66-966689bd85c3" class="tab-pane fade" role="tabpanel"> <h3><a id="stage40" name="stage40"></a>Enquiry stage (40)</h3> <p>The Draft International Standard (DIS) is submitted to ISO Central Secretariat by the Committee Manager. It is then circulated to all ISO members who then have 12 weeks to vote and comment on it.</p> <p>The DIS is approved if a two-thirds of the P-members of the TC/SC are in favor and not more than one-quarter of the total number of votes cast are negative.</p> <p><strong>If the DIS is approved and no technical changes are introduced in the draft, the project goes straight to publication. However, if technical changes are introduced, FDIS stage is mandatory.</strong></p> <p>See the <a href="https://www.iso.org/sites/directives/current/consolidated/index.html#_Toc134090811" target="_blank" title="Section 2.6 of ISO/IEC Directives Part 1">ISO/IEC Directives Part 1, 2.6.3 and 4</a> for more information.</p> <h4>Draft standards for public comment</h4> <p>Standards at the enquiry stage are open for comments. You can find a <a href="https://www.iso.org/advanced-search/x/title/status/U/docNumber/docPartNo/docType/0/langCode/ics/currentStage/true/searchAbstract/true/stage/40.20/stageDateStart/stageDateEnd/committee/sdg" title="List of standards at enquiry stage">list of standards</a> that are currently at this stage. To comment on them, contact your <a href="/es/sobre/miembros" title="ISO Members">national member</a>.</p> <hr /> <h6>Resources for Stage 40</h6> <ul> <li><a href="https://isotc.iso.org/livelink/eb3/" target="_blank" title="ISO Balloting Portal">Electronic balloting portal</a></li> <li><a href="https://www.iso.org/resources/publicly-available-resources.html?t=MGTmD5TwK496A_y6JsbrKdnDBmIZ6L0rvjNNXYvKmXhIpfLuCJx5JQWQqL5GcGPw&view=documents#section-isodocuments-top" target="_blank" title="Comment collation tool">Comment collation tool</a></li> <li><a href="https://www.iso.org/sd/fetch/PSZFHtyOugFUIDruPyR0ogyMoYDlKTA1sypI6GntSaLvADstlEUzb9SYcquvzKLd" title="ISO forms, model agendas, standard letters">Form - Limit date extension</a></li> <li>ISO/IEC Directives Part 1 and Consolidated ISO Supplement, <a href="https://www.iso.org/sites/directives/current/consolidated/index.html#_Toc134090811" target="_blank" title="Section 2.6 of ISO/IEC Directives Part 1 and Consolidated ISO Supplement">subclause 2.6</a></li> <li><a href="https://www.iso.org/sd/fetch/-eeTWD6aH8Xyt9ppv1l9YLaba9gDTBexxlRxs2s2yzE_D6SBQiM0DIaucdQrLulU" target="_blank" title="Elements to be provided when submitting drafts to the ISO Centr al Secretariat (PDF)">Submitting drafts - requirements (PDF)</a></li> </ul></div><div id="tab5_d79c8e5e-fc45-431b-be66-966689bd85c3" class="tab-pane fade" role="tabpanel"> <h3><a id="stage50" name="stage50"></a>Approval stage (50)</h3> <p><em><strong>This stage will be automatically skipped if the DIS has been approved and no technical changes are introduced</strong></em></p> <p>However, if the draft incorporates technical changes following comments at the DIS stage (even if the DIS has been approved) the FDIS stage becomes mandatory. (See the <a href="https://www.iso.org/sites/directives/current/consolidated/index.html#_Toc134090811" target="_blank" title="Section 2.6.4 of ISO/IEC Directives Part 1">ISO/IEC Directives Part 1, 2.6.4</a> for more information.)</p> <p>If this stage is used, the Final Draft International Standard (FDIS) is submitted to ISO/Central Secretariat (ISO/CS) by the Committee Manager. The FDIS is then circulated to all ISO member for an 8 week vote.</p> <p>The standard is approved if a two-thirds majority of the P-members of the TC/SC is in favor and not more than one-quarter of the total number of votes cast are negative. (See the <a href="https://www.iso.org/sites/directives/current/consolidated/index.html#_Toc134090812" target="_blank" title="Section 2.7 of ISO/IEC Directives Part 1">ISO/IEC Directives Part 1, 2.7</a> for more information.)</p> <hr /> <h6>Resources for Stage 50</h6> <ul> <li><a href="https://www.iso.org/sd/fetch/Z14KA4NVOEFRim68VT5vHgKXTHgzJgbMNKZq3JlvA2dP--_yBrXdOFrYVJBt-Uwv" title="ISO forms, model agendas, standard letters">Form 13 - Report of voting on ISO/DIS</a></li> <li><a href="https://isotc.iso.org/livelink/eb3/" target="_blank" title="ISO Balloting portal">Electronic balloting portal</a></li> <li>ISO/IEC Directives Part 1 and Consolidated ISO Supplement, <a href="https://www.iso.org/sites/directives/current/consolidated/index.html#_Toc134090812" target="_blank" title="Section 2.7 or ISO/IEC Directives Part 1">subclause 2.7</a></li> <li><a href="https://www.iso.org/sd/fetch/-eeTWD6aH8Xyt9ppv1l9YLaba9gDTBexxlRxs2s2yzE_D6SBQiM0DIaucdQrLulU" target="_blank" title="Elements to be provided when submitting drafts to the ISO Centr al Secretariat (PDF)">Submitting drafts - requirements (PDF)</a></li> </ul></div><div id="tab6_d79c8e5e-fc45-431b-be66-966689bd85c3" class="tab-pane fade" role="tabpanel"> <h3><a id="stage60" name="stage60"></a>Publication stage (60)</h3> <p>At this stage the secretary submits the final document for publication through the Submission Interface. But if the standard has passed through the Approval stage, the manager may submit the project leader’s responses to member body comments on the FDIS.</p> <p>Only editorial corrections are made to the final text. It is published by the ISO Central Secretariat as an International Standard.</p> <p><em><strong>Committee Managers and project leaders get a two-week sign off period before the standard is published</strong></em></p> <hr /> <h6>Resources for Stage 60</h6> <ul> <li>ISO/IEC Directives Part 1 and Consolidated ISO Supplement, <a href="https://www.iso.org/sites/directives/current/consolidated/index.html#_Toc134090813" target="_blank" title="ISO/IEC Directives Part1, Section 2.8">subclause 2.8</a>, <a href="https://www.iso.org/sites/directives/current/consolidated/index.html#_Toc134090814" target="_blank" title="ISO/IEC Directives, Part 1, Section 2.9">subclause 2.9</a> and <a href="https://www.iso.org/sites/directives/current/consolidated/index.html#_Toc134090815" target="_blank" title="ISO/IEC Directives Part1 - Section 2.10">subclause 2.10</a></li> <li><a href="https://www.iso.org/sd/fetch/-eeTWD6aH8Xyt9ppv1l9YLaba9gDTBexxlRxs2s2yzE_D6SBQiM0DIaucdQrLulU" target="_blank" title="Elements to be provided when submitting drafts to the ISO Central Secretariat (PDF)">Submitting drafts - requirements (PDF)</a></li> </ul></div></div> </div></div></div></div></div> </section><div class="nav-breadcrumb print-footer bg-black"> <div class="container"> <div class="row"> <div class="col-sm-10 small">  <ol class="breadcrumb"> <li class="breadcrumb-item"><a href="/es/home" title="P谩gina de inicio"><i class="bi-house" aria-hidden="true"></i></a></li> <li class="breadcrumb-item"> <a href="/es/sobre/participar">Participar</a> </li> <li class="breadcrumb-item"> <a href="/es/home/developing-standards/resources.html">Resources</a> </li> <li class="breadcrumb-item"> Stages and resources for standards …</li> </ol></div> <div class="col-sm-2 hidden-print text-end small mt-3 mt-sm-0"> <a role="button" class="dropdown-toggle text-white collapsed" data-bs-toggle="collapse" href="#collapseSitemap" target="_self" aria-expanded="false" aria-controls="collapseSitemap">Mapa del sitio</a> </div> </div> <div class="collapse border-top" id="collapseSitemap"> <div class="row">  <nav role="navigation" aria-label="Sitemap" class="sitemap-footer clearfix text-xs" id="nav-sitemap"><ul role='menubar' class='list-inline-6 clearfix nav-level1' ><li role='menuitem' class=' hasChildren firstInLevel' ><a class='nav-link ' title="Covering almost every product, process or service imaginable, ISO makes standards used everywhere." href='/es/normas'>Normas</a><ul role='menubar' class='list-unstyled nav-level2' ><li role='menuitem' class=' noChildren firstInLevel' ><a class='nav-link ' title="Whether you run a business, work for a company or government, or you are a consumer looking for goods and services that meet customer expectations: Find out what standards can do for you." href='/es/normas/beneficios'>Beneficios</a></li><li role='menuitem' class=' noChildren' ><a class='nav-link ' title="Here you can discover some of the best-known and most widely-used standards, as well as those that address recently emerged challenges affecting us all. 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