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Merge pull request #2906 from w3c/editorial/issue-2849
Clarify exemptions can apply to some conforming content
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‎wg-notes/a11y-exemption/index.html‎

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<meta name="color-scheme" content="light dark" />
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<title>The EPUB Accessibility exemption property</title>
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<script src="https://www.w3.org/Tools/respec/respec-w3c" class="remove"></script>
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<script src="../../common/js/add-caution-hd.js" class="remove"></script>
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<script src="../../common/js/css-inline.js" class="remove"></script>
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<script class="remove">
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var respecConfig = {
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branch: "main"
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},
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preProcess:[inlineCustomCSS],
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postProcess:[addCautionHeaders],
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xref: {
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profile: "web-platform",
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specs: ["epub-33"]
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<body>
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<h1 id="title">The EPUB Accessibility <code>exemption</code> property</h1>
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<section id="abstract">
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<p>The <code>exemption</code> property allows EPUB creators to indicate that an EPUB publication that does
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not meet accessibility conformance requirements has an exemption under the applicable jurisdiction's
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laws.</p>
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<p>The <code>exemption</code> property indicates that an EPUB publication that does not meet a
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jurisdiction's mimimum accessibility conformance requirements has an exemption under its laws.</p>
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</section>
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<section id="sotd"></section>
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<section id="sec-intro">
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<section id="sec-evaluator-name">
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<h3>Accessibility conformance exemptions</h3>
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<p>When a jurisdiction provides specific legal exemptions for [=EPUB publications=], [=EPUB creators=] whose
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content fails to meet the requirements of the EPUB Accessibility standard [[epub-a11y]] (or any other
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standard), can use <a href="#exemption-property">the <code>exemption</code> property</a> to indicate
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when their publications fall under one of these provisions.</p>
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<p>When a jurisdiction provides exemptions for [=EPUB publications=] that do not meet its minimum legal
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accessibility requirements, <a href="#exemption-property">the <code>exemption</code> property</a> can be
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used, when applicable, to indicate a publication falls under one of the provisions.</p>
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<aside class="example"
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title="An EPUB publication exempt from the European Accessibility Act's conformance requirements">
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</aside>
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<div class="note">
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<p>EPUB creators do not have to include an accessibility conformance claim of "<code>none</code>" when
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listing that a publication has an exemption from accessibility requirements, but it is best practice
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to also provide this information. Reading systems that do not recognize the exemption might
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otherwise list the accessibility status as unknown.</p>
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<p>An EPUB publication that meets accessibility standards might also claim exemptions. A publication
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could indicate conformance to [[wcag22]] Level A, for example, and also have to claim an exemption
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because Level AA conformance is required by law.</p>
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<p>An accessibility conformance claim of "<code>none</code>" is not required when an EPUB publication
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fails to meet the requirements of [[[epub-a11y]]] [[epub-a11y]] but the accessibility status could
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be presented as unknown if it is not set and the exemption is not recognized.</p>
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</div>
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<p>The property MAY be repeated to list exemptions for multiple jurisdictions and/or for multiple exemptions
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<div class="note">
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<p>The EPUB Accessibility standard [[epub-a11y]] reserves the prefix "<code>a11y:</code>" for use with
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properties in the <code>http://idpf.org/epub/vocab/package/a11y/#</code> namespace. [=EPUB
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creators=] do not have to declare a prefix in the [=package document=].</p>
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properties in the <code>http://idpf.org/epub/vocab/package/a11y/#</code> namespace. The prefix does
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not have to be declared in the [=package document=].</p>
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</div>
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<section id="exemption">
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<section id="exemption-values">
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<h2>Exemption values</h2>
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<div class="caution">
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<p>It is strongly advised to seek legal guidance when unsure whether an EPUB publication meets the
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legal requirements for these exemptions.</p>
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</div>
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<table class="zebra">
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<tr>
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<th>Value</th>
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<th>Definition</th>
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</tr>
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<tr>
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<td class="top" id="eaa-disproportionate-burden">
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<p><code>eaa-disproportionate-burden</code></p>
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<p>
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<code>eaa-disproportionate-burden</code>
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</p>
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</td>
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<td>
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<p><a
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<p>Use of the <code>eaa-disproportionate-burden</code> value indicates an EPUB publication
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is exempt because it would require such a disproportionate burden to make
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accessible.</p>
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<p>EPUB creators are responsible for ensuring their publications meet the legal requirements
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for this exemption.</p>
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</td>
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</tr>
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<tr>
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<td class="top" id="eaa-fundamental-alteration">
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<p><code>eaa-fundamental-alteration</code></p>
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<p>
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<code>eaa-fundamental-alteration</code>
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</p>
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</td>
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<td>
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<p><a
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fundamental alteration of its basic nature</q> [[directive-2019/882]].</p>
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<p>Use of the <code>eaa-fundamental-alteration</code> value indicates an EPUB publication is
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exempt because it would require such a fundamental alteration to make accessible.</p>
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<p>EPUB creators are responsible for ensuring their publications meet the legal requirements
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for this exemption.</p>
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</td>
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</tr>
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<tr>
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<td class="top" id="eaa-microenterprise">
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<p><code>eaa-microenterprise</code></p>
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<p>
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<code>eaa-microenterprise</code>
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</p>
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</td>
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<td>
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<p>The <a href="https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:32019L0882"
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<p>Use of the <code>eaa-microenterprise</code> value indicates that the publisher of an
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[=EPUB publication=] that does not meet accessibility standards qualifies under the
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definition of a microenterprise.</p>
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<p>[=EPUB creators=] are responsible for ensuring they meet the legal requirements of a
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microenterprise when using this value.</p>
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</td>
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</tr>
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</table>

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