4. The expert of IWG RD-ASEP also reported on their progress on drafting a new 06 series of amendments to UN Regulation No. 41, including the limit line concept and remaining issues (GRBP-80-09). GRBP noted that a working document with the draft 06 series of amendments would be submitted to the next session.

6. The experts from IWG RD-ASEP presented a proposal for a new 06 series of amendments in order to strengthen the RD-ASEP testing conditions of motorcycles (ECE/TRANS/WP.29/GRBP/2025/5). GRBP adopted this proposal, as amended by GRBP-81-02 and GRBP-81-15, and requested the secretariat to submit it for consideration and vote at the June 2025 sessions of WP.29 and AC.1 as draft 06 series of amendments to UN Regulation No. 41. To avoid legal uncertainty, GRBP also requested the secretariat to explicitly include in the proposal draft Supplement 4 to the 05 series of amendments, as indicated above, based on ECE/TRANS/WP.29/GRBP/2025/4, as amended GRBP-81-03, and ECE/TRANS/WP.29/GRBP/2025/7, as amended by GRBP-81-29.