24. The expert from Germany introduced informal documents GRSP-77-26 and GRSP-77-27. The documents were well received by GRSP and the expert from Germany announced his intention to come back to the next session with working documents.

30. The expert from Germany introduced ECE/TRANS/WP.29/GRSP/2025/40 and ECE/TRANS/WP.29/GRSP/2025/39 (agenda item 24 (h)) with proposals to change the torque values of the upper legform impactor to avoid damaging it during tests. GRSP adopted ECE/TRANS/WP.29/GRSP/2025/40 and requested the secretariat to submit it as proposals for supplement 2 to the original version, supplement 1 to the 01 series of amendments, supplement 1 to the 02 series of amendments, supplement 4 to the 03 series of amendments and supplement 3 to the 04 series of amendments to UN Regulation No. 127 to the June 2026 sessions of WP.29 and AC.1. It also adopted ECE/TRANS/WP.29/GRSP/2025/39 and requested the secretariat to submit it as a proposal for a corrigendum to UN GTR No. 9 to the June 2026 sessions of WP.29 and AC.3.