ISO/IEC INTERNATIONAL STANDARD 23761 First edition 2021-02 Digital publishing EPUB accessibility Conformance and discoverability requirements for EPUB publications Edition numérique - EPUB accessibilitéExigences de conformité et dedécouverte pour EPUBpublications Reference number IEC IS0/IEC 23761:2021(E) Copyright International Organization for Standardization @IS0/IEC2021 IS0/IEC 23761:2021(E) COPYRIGHT PROTECTED DOCUMENT IS0/IEC2021 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland Copyigh ileratinal Organizationfor Standardization @ IS0/IEC 2021 - All rights reserved