51. The GRRF Ambassador to the IWG on International Whole Vehicle Type Approval (IWVTA) provided a status report of the activities of the IWG (GRRF-86-38) informing GRRF among others about the adoption of UN Regulation No. 0 by AC.1 at the November 2017 session.

52. The secretariat informed GRRF about potential follow-up activities related to the entry into force of Revision 3 to the 1958 Agreement and the adoption of UN Regulation No. 0. He drew attention of GRRF to (a) the adopted guidelines related to the drafting of Transitional Provisions, (b) the possibility to insert provisions in UN Regulations preventing the use of the Unique Identifier as defined in the Agreement, © the discussion of the IWG on IWVTA on the new approval numbering in Schedule 4 potentially in conflict with marking provisions in Tyre regulations and in UN Regulation No. 90 (see GRRF-86-37), (d) the maintenance of Annex 4 in UN Regulation No. 0, (e) the update of the standard provisions related to the Conformity of Production still referring to Revision 2 of the 1958 Agreement.