47. GRSP noted that Revision 3 of the 1958 Agreement entered into force on 14 September 2017. It was also noted that the General Guidelines for United Nations regulatory procedures and transitional provisions in UN Regulations (ECE/TRANS/WP.29/2017/107, Corr.1 and Add.1) had been adopted at the November 2017 session of WP.29 (see ECE/TRANS/WP.29/1135, para. 53). It was also noted that UN Regulation No. 0 (ECE/TRANS/WP.29/2017/8), its explanatory, and questions and answers documents (ECE/TRANS/WP.29/2017/9 and ECE/TRANS/WP.29/2017/31) had been adopted by WP.29 at that session and that UN Regulation No. 0 was expected to enter into force in June 2018. However, due to the administrative notification process, it was noted that UN Regulation No. 0 would be fully applicable from spring 2019.