78. The World Forum considered the draft amendments under agenda items 4.6.1, 4.6.3, 4.6.4 and 4.6.6 to 4.6.8. and recommended their submission to AC.1 for voting.

79. The World Forum recalled that it had accepted the request of the GRBP Chair to postpone to the June 2022 session consideration of the draft amendments under agenda items 4.6.2 and 4.6.9 (see para 60. above).

80. The representative of ETRTO proposed a modification to the draft amendments in ECE/TRANS/WP.29/2022/7 under agenda item 4.6.5 (WP.29-186-07). The representatives of the European Commission and the United Kingdom of Great Britain and Northern Ireland commented on the ETRTO proposal. Based on the received comments, the World Forum requested ETRTO to revise WP.29-186-07 and decided to postpone consideration of the draft amendments in ECE/TRANS/WP.29/2022/7 to the June 2022 session. In the interim, the World Forum requested the secretariat to arrange a written consultation of GRBP experts on the ETRTO proposal.

5. The expert from IWG MU presented a proposal which reduces measurement uncertainties for the ambient conditions, vehicle selections and preparations (ECE/TRANS/WP.29/GRBP/2021/22). GRBP adopted the proposal, subject to the following correction of paragraph 2.1.3.2.2. of Annex 3: “Tests carried out on request of the manufacturer at air temperatures below 5° C shall be accepted as well”. GRBP requested the secretariat to submit it for consideration and vote at the March 2022 sessions of WP.29 and AC.1 as draft Supplement 7 to 03 series of amendments to UN Regulation No. 51.