ISO/ INTERNATIONAL STANDARD IEC/IEEE 14764 Thirdedition 2022-01 Softwareengineering-Softwarelife cycleprocessesMaintenance Ingenieriedu logiciel-Processusducycledeviedulogiciel- Maintenance IEC Reference number IS0/IEC/IEEE14764:2022(E) IEEE ISO/IEC2022 IEEE2022 IS0/IEC/IEEE14764:2022(E) COPYRIGHTPROTECTEDDOCUMENT IS0/IEC2022 IEEE2022 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilizedotherwise in anyform or byanymeans,electronic or mechanical, including photocopying,or posting on the internet or an intranet,without prior written permission.Permission can be requested from either ISO or IEEE at the respectiveaddressbeloworIso'smemberbodyinthecountryoftherequester. Isocopyright office InstituteofElectricalandElectronicsEngineers,Inc CP401.Ch.deBlandonnet8 3Park Avenue,NewYork CH-1214 Vernier, Geneva NY10016-5997,USA Phone:+41227490111 Fax:+41227490947 Email:[email protected] Email:[email protected] Website:www.iso.org Website:www.ieee.org Published in Switzerland IS0/IEC2022-Allrightsreserved rStandardizatior IEEE2022-Allrightsreserved