9. The expert of IWG SLR tabled proposals that clarified and corrected the text of various series of amendments to UN Regulation Nos. 148 and 150 (ECE/TRANS/WP.29/GRE/2023/14 and ECE/TRANS/WP.29/GRE/2023/16, respectively). GRE adopted these proposals and requested the secretariat to submit them for consideration and vote at the March 2024 sessions of WP.29 and AC.1 as draft Supplement 2 to the 01 series of amendments to UN Regulation No. 148, draft Supplement 6 to the 00 series of amendments and draft Supplement 2 to the 01 series of amendments to UN Regulation No. 150.

32. The expert from GTB proposed aligning the procedure in case of a surface reflection for measurement of both coefficient of luminous intensity and colour (ECE/TRANS/WP.29/GRE/2023/21). GRE adopted the proposal and requested the secretariat to submit it for consideration and vote at the March 2024 sessions of WP.29 and AC.1 as part of draft Supplement 2 to the 01 series of amendments to UN Regulation No. 150.

33. The expert of EC held the view that the justification part of ECE/TRANS/WP.29/GRE/2023/21 was too complicated and expressed the wish that future amendment proposals be accompanied by simpler explanations.