16. The experts of IWG presented draft proposals for Supplements to different series of amendments to UN Regulations Nos. 48, 53, 74 and 86 (GRE-84-05, GRE-84-06, GRE-84-07, GRE-84-08, GRE-84-09, GRE-84-10). Following a brief exchange of views, GRE invited all experts to provide comments to IWG SLR and requested IWG SLR to finalize the proposals as working documents for the next GRE session.

22. GRE addressed proposals by IWG SLR for new supplements to the 01 series of amendments (ECE/TRANS/WP.29/GRE/2021/19) and to the 02 and 03 series of amendments (ECE/TRANS/WP.29/GRE/2021/20) to UN Regulation No. 53 that added references to the headlamp classes. The expert from Germany tabled additional proposals (GRE-85-24). GRE invited the expert of Germany to convert GRE-85-24 into a working document for consideration at the next session.

23. Subject to reservation of the expert from Germany, GRE adopted ECE/TRANS/WP.29/GRE/2021/19 and requested the secretariat to submit them for consideration and vote at the June 2022 sessions of WP.29 and AC.1 as draft Supplement 23 to the 01 series of amendments to UN Regulation No. 53.

24. Subject to reservation of the expert from Germany, GRE also adopted ECE/TRANS/WP.29/GRE/2021/20 and requested the secretariat to submit it for consideration and vote at the June 2022 sessions of WP.29 and AC.1 as draft Supplement 6 to the 02 series of amendments and draft Supplement 3 to the 03 series of amendments to UN Regulation No. 53.

27. GRE stressed that the adopted amendments to UN Regulations Nos. 48, 53, 74, 86, 148, 149 and 150, as reflected in paragraphs 9, 12, 15, 17, 20, 23–26, 31 and 33, should be submitted as a package to the June 2022 sessions of WP.29 and AC.1. GRE agreed to review these proposals at its next session in April 2022.