ISO INTERNATIONAL STANDARD 21856 First edition 2022-07 Assistive products General requirements and test methods Produits d'assistance - Exigences générales et méthodes d'essai Reference number IS0 21856:2022(E) osi Copyright International Organization for Standardization IS02022 IS0 21856:2022(E) COPYRIGHT PROTECTED DOCUMENT @ IS0 2022 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 on 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 0111 Email: copyright@iso.org Website: www.iso.org Published in Switzerland Copyightilleratinal Organization for Standardization @ IS0 2022 - All rights reserved