41. The expert from Spain introduced GRSP-59-03-Rev.1, as a parallel amendment to UN Regulation No. 44 (see para. 35 above) to improve testing methods. GRSP adopted the proposal as reproduced in Annex V to this report. The secretariat was requested to submit the proposals for consideration and vote at the November 2016 sessions of WP.29 and AC.1, as draft Supplement 5 to the original text of UN Regulation No. 129 and as draft Supplement 1 to the 01 series of amendments to UN Regulation No. 129.

43. The expert from France, Chair of the IWG on Enhanced Child Restraint Systems (ECRS), gave a presentation (GRSP-59-14) on the work progress of the IWG which introducing the latest changes (GRSP-59-08-Rev.1) to the official proposal of the 02 series of amendments to the UN Regulation (ECE/TRANS/WP.29/GRSP/2016/4). He explained that the proposed new series of amendments aimed at including: (i) ECRS from the booster seat category (booster seat with backrest) into the scope of UN Regulation No. 129 and (ii) the proposal from Spain (GRSP-59-03-Rev.1). He concluded that this latest draft series would be acknowledged as Phase 2 of the UN Regulation.

44. GRSP finally adopted ECE/TRANS/WP.29/GRSP/2016/4, as reproduced in Addendum 1 to this report. The secretariat was requested to submit the proposal for consideration and vote at the November 2016 sessions of WP.29 and AC.1 as draft 02 series of amendments to UN Regulation No. 129.