63. The secretariat introduced ECE/TRANS/WP.29/2021/59 and ECE/TRANS/WP.29/2021/60 based on informal documents WP.29-182-05 and WP.29-182-07, and WP.29-182-06, respectively, endorsed by WP.29 at its November 2020 session. WP.29 thanked the secretariat for providing the official documents with the translations in French and Russian and formally adopted them.