The new Metadata and Header Data Exchange Specification v2.3–approved by the ICTC on the 19th October 2023–supports the exchange of metadata in the form of a header. New attributes have been added to align the specification with the latest standards for dataset version control management from W3C.

This header is intended to be used in IEC 61970 profiles.

Available on the to the CGMES Library under the Metadata and document header tab