PD IS0/TS 20559:2020 BSl Standards Publication Graphical symbols Safety colours and safety signs - Guidance for the development and use of a safety signing system bsi. PDIS0/TS20559:2020 PUBLISHEDDOCUMENT Nationalforeword This Published Document is the UK implementation of ISO/TS 20559:2020. The UK participation in its preparation was entrusted to Technical Committee PH/8/1, Graphical Symbols - Safety Signs. A list of organizations represented on this committee can be obtained on requestto its committeemanager. This publication does not purport to include all the necessary provisions ofa contract.Users are responsiblefor its correct application @The British Standards Institution 2020 Published by BSIStandards Limited 2020 ISBN9780580988912 ICS 01.080.01 Compliance with a British Standard cannot confer immunity from legal obligations. This Published Document was published under the authority of the Standards Policy and Strategy Committee on 31August 2020. Amendments/corrigendaissued sincepublication Date Text affected PDIS0/TS20559:2020 TECHNICAL ISO/TS SPECIFICATION 20559 First edition 2020-08-05 Graphical symbols Safety colours and safety signs Guidance for the development and use of a safety signing system Symboles graphiques -Couleurs de sécurité et signaux de sécurité- Lignes directricespourle développement et I'usage d'un systemede signaux de sécuritée Reference number IS0/TS 20559:2020(E) XX ISO @IS02020