IEC 61968-4 Ed. 2.0 b:2019

IEC 61968-4 specifies the information content of a set of message types that can be used to support many of the business functions related to records and asset management. Typical uses of the message types include network extension planning, copying feeder or other network data between systems, network or diagram edits and asset inspection.
This publication is of core relevance for Smart Grid.