This milestone covers the items that need to be completed for a final draft of the PURL Ecma Standard. The Ecma Standard is a subset of the Core Spec where the Ecma Standard scope is primarily the specifications for the 7 PURL components, the character encoding rules and the definition of the data structure for PURL Types (but not the PURL Type data itself. The June 30 Due date is set to allow 2 months of implementation/validation activities before finalizing the Standard for submission to Ecma by September 1, 2025.