RFC DocumentsRFC 9562 - Universally Unique IDentifiers (UUIDs)7. IANA ConsiderationsOn this page7. IANA Considerations7. IANA Considerations This document defines two registries for UUIDs: UUID Subtype and UUID Namespace ID. Subsections 7.1. IANA UUID Subtype Registry and Registration 7.2. IANA UUID Namespace ID Registry and Registration