156. WP.29 noted that the informal document WP.29-191-12 provided information on the proposals for the amendments and a new UN Regulation, that have been adopted by AC.1 in the June 2023 session of WP.29. They further noted that the document also included the (envisaged) dates of entry into force, being the 5 January 2024 for the amendments if no objections had been received, and the 25 March 2024 for the new UN Regulation.