31. Referring to the same amendments introduced to UN Regulation No. 44 (see para. 23 above), the expert from France introduced ECE/TRANS/WP.29/GRSP/2017/35 and ECE/TRANS/WP.29/GRSP/2017/36 to clarify the test protocols for the opening force of the ISOFIX attachments. GRSP adopted both proposals not amended and requested the secretariat to submit them to the June 2018 sessions of WP.29 and AC.1 for consideration and vote as draft Supplement 4 to the 01 series of amendments (ECE/TRANS/WP.29/GRSP/2017/35) and as part of (see para. 29 above) draft Supplement 3 to the 02 series of amendments (ECE/TRANS/WP.29/GRSP/2017/36) to UN Regulation No. 129.

32. The expert from CLEPA introduced GRSP-62-23, clarifying the test provisions of the toxicity of materials in the UN Regulation. GRSP adopted the proposal as reproduced in Annex VII to the session report. The secretariat was requested to submit it for consideration and vote to the June 2018 sessions of WP.29 and AC.1 as part of (see paras. 29 and 31) draft Supplement 3 to the 02 series of amendments to UN Regulation No. 129.

34. Finally, the expert from France withdrew ECE/TRANS/WP.29/GRSP/2017/42, ECE/TRANS/WP.29/GRSP/2017/43 and ECE/TRANS/WP.29/GRSP/2017/44. Moreover, he explained that the IWG on ECRS could be dissolved, since the main objectives of the IWG have been achieved.