27. The secretariat informed GRB about the recent activities of the Subgroup on UN Regulation No. 0 on IWVTA and that its final official draft would be submitted to the June 2017 session of WP.29. GRB also noted that, in December 2016, the European Union had formally transmitted Revision 3 of the 1958 Agreement (ECE/TRANS/WP.29/2016/2) to the United Nations Office for Legal Affairs (OLA) and that its entry into force was scheduled for mid-September 2017.