5. The Secretary presented GRVA-05-28, with the highlights of the November 2019 session of the World Forum for Harmonization of Vehicle Regulations (WP.29). He highlighted, among others, the question raised by WP.29 to the subsidiary bodies concerning the use of the Unique Identifier in relation with e.g. installation marking provisions. He referred to ECE/TRANS/WP.29/1149 for more details.