29. The expert from France introduced ECE/TRANS/WP.29/GRSP/2017/29, aligning the requirements of UN Regulation No. 129 with those of UN Regulation No. 44 on the belt behaviour of the adult safety-belt. GRSP adopted the proposal not amended and requested the secretariat to submit it to the June 2018 sessions of WP.29 and AC.1 for consideration and vote as draft Supplement 3 to the 02 series of amendments to UN Regulation No. 129.

30. The expert from France withdrew ECE/TRANS/WP.29/GRSP/2017/30, ECE/TRANS/WP.29/GRSP/2017/31 and ECE/TRANS/WP.29/GRSP/2017/32 for further revision. He also introduced ECE/TRANS/WP.29/GRSP/2017/34, proposing the deletion of the reference to the “Chest deflection Abdominal Pressure (in frontal impact)”. GRSP adopted the proposal not amended and requested the secretariat to submit it for consideration and vote as draft Supplement 7 to the original version of UN Regulation No. 129 at the June 2018 sessions of WP.29 and AC.1.

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.

33. The expert from France, Chair of the IWG on Enhanced Child Restraint Systems (ECRS), gave a presentation (GRSP-62-28) on the work progress of the draft 03 series of amendments to the UN Regulation (ECE/TRANS/WP.29/GRSP/2017/41). He also introduced GRSP-62-20, covering definition and provisions for lower tether strap and lower tether anchorages. ECE/TRANS/WP.29/GRSP/2017/41 received several comments and amendments including transitional provisions that were adapted according to ECE/TRANS/WP.29/2017/107. GRSP adopted ECE/TRANS/WP.29/GRSP/2017/41 as amended by Annex VII to the session report. The secretariat was requested to submit the proposal as draft 03 series of amendments to UN Regulation No. 129 for consideration and vote at the June 2018 sessions of WP.29 and AC.1. GRSP requested the secretariat to distribute GRSP-62-20 with an official symbol at the May 2018 session of GRSP.

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.