The Smart Grid Interoperability Panel, Cyber Security Working Group (CSWG) had requested the following changes to the Part 1 specification.
That a bullet be added to to the list of bullets in 5.1 UA Scope (the last bullet in the list below)

• The information model to represent structure, behaviour and semantics.
• The message model to interact between applications.
• The communication model to transfer the data between end-points.
• The conformance model to guarantee interoperability between systems.
• Security model to ensure an overall secure system.

They also recommended that text be added to the 5.4.1.3 Auditing section. The recommendation would be for the following text to be added to the end of the Auditing paragraph.

It is recommended that Clients that log audit events, persist them in such a manner that they can be authenticated and are linkable back to the original transaction.