Project, programme and portfolio management — Guidance on project management Management de projets, programmes et portefeuilles — Recommandations sur le management de projets © ISO 2020 ISO 21502 First edition 2020-12 Reference numberISO 21502:2020(E) STANDARD INTERNATIONA L ii © ISO 2020 – All rights reserved COPYRIGHT PROTECTED DOCUMENT © ISO 2020 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 the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address 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: +41 22 749 01 11 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ISO 21502:2020(E) Foreword ........................................................................................................................................................................................................................................ vi Introduction .............................................................................................................................................................................................................................. vii 1 Scope ................................................................................................................................................................................................................................. 1 2 Normative references ...................................................................................................................................................................................... 1 3 Terms and definitions ..................................................................................................................................................................................... 1 4 Project management concepts ............................................................................................................................................................... 4 4.1 Overview ...................................................................................................................................................................................................... 4 4.1.1 General ...................................................................................................................................................................................... 4 4.1.2 Projects ..................................................................................................................................................................................... 5 4.1.3 Project management ..................................................................................................................................................... 6 4.2 Context ........................................................................................................................................................................................................... 6 4.2.1 Impact of a project’s context .................................................................................................................................. 6 4.2.2 Organizational strategy and projects ............................................................................................................. 6 4.2.3 Customer and supplier perspective ................................................................................................................. 7 4.2.4 Project constraints ................................................................................................