28. The expert from the Kingdom of the Netherlands presented informal document GRSP-77-34 dealing with removal of inserts and informal document GRSP-77-35 dealing with shoulder height requirements and announced his intention to come back to the next session with working documents.

31. The expert from the Kingdom of the Netherlands presented ECE/TRANS/WP.29/GRSP/2025/31 to clarify that the removal of an insert may also trigger additional tests with alternative dummy statures and to delete the Unique Identifier (UI) descriptions (see ECE/TRANS/WP.29/GRSP/77, paragraph 48). GRSP adopted ECE/TRANS/WP.29/GRSP/2025/31 and requested the secretariat to submit it as a proposal for supplement 4 to the 04 series of amendments to UN Regulation No. 129 to the June 2026 sessions of WP.29 and AC.1.