57. The secretariat introduced official documents ECE/TRANS/WP.29/GRSG/2021/22 a Proposal for Supplement 10 to 01 series of amendments and a Proposal for Supplement 2 to 02 series of amendments to UN Regulation No. 55 which has been submitted for consideration in 185th November 2021 session of WP.29. The secretariat also introduced official documents ECE/TRANS/WP.29/GRSG/2021/22 a proposal for Supplement 10 to 01 series of amendments and Supplement 2 to 02 series to UN Regulation No. 55 and ECE/TRANS/WP.29/GRSG/2021/21 a proposal for Corrigendum 2 for the 01 series of amendments and Corrigendum 1 for the 02 series of amendments to UN Regulation No. 55. The secretariat recalled that ECE/TRANS/WP.29/GRSG/2021/21 was based on informal document GRSG-121-06 and ECE/TRANS/WP.29/GRSG/2021/22 was based on informal document GRSG-121-42 and these documents have not been further processed by the Treaty Section of the Office of Legal Affairs in New York.

58. GRSG considered and endorsed official documents ECE/TRANS/WP.29/2021/105 and ECE/TRANS/WP.29/2021/153 for voting at the November 2021 sessions of WP.29 and AC.1. GRSG also considered and adopted official documents ECE/TRANS/WP.29/GRSG/2021/21 and ECE/TRANS/WP.29/GRSG/2021/22 for submission and vote at the March 2022 sessions of WP.29 and AC.1.

55. The expert from Finland presented a proposal for Corrigendum 1 to the 02 series of amendments to UN Regulation No. 55 (GRSG-121-06), in order to correct an internal reference within the text.

56. GRSG considered and endorsed document GRSG-121-06 proposing a corrigendum to UN Regulation No. 55, requesting its submission as an official document for consideration at the October 2021 session of GRSG.