AS/NZS ISO/IEC/IEEE 14764:2022 identically adopts ISO/IEC IEEE 14764:2022, which provides guidance for the maintenance of software, based on the maintenance process and its activities and tasks defined in ISO/IEC IEEE 12207:2017. Describes the maintenance process in greater detail and establishes definitions for the various types of maintenance. Includes maintenance for multiple software products with the same maintenance resources.