35. The expert from VRU-Proxi introduced ECE/TRANS/WP.29/GRSG/2019/25 containing two proposals: (i) clarification of test procedures allowing non-random selection of parameter combinations and (ii) protrusion requirements for BSIS external elements. He further introduced GRSG-117-23 on clarification of elements to be considered for the determination of the vehicle front right corner.

36. Following detailed technical discussions and adjustment of language used (GRSG-117-24-Rev.1), GRSG adopted ECE/TRANS/WP.29/GRSG/2019/25 and GRSG-117-23 as reproduced in Annex II to this report. The secretariat was requested to submit it to WP.29 and AC.1 as draft Supplement 1 to UN Regulation No. 151 for consideration at their March 2020 sessions.

42. The expert from OICA, from the IWG on VRU-Proxi, presented a proposal for amendments to UN Regulation No. 151 (GRSG-121-07 amending ECE/TRANS/WP.29/GRSG/2021/4), concerning the approval of motor vehicles with regard to the Blind Spot Information Systems, to further quantify the dimension of the detection area near the front wheel.

43. GRSG adopted ECE/TRANS/WP.29/GRSG/2021/4, as amended by GRSG-121-07, proposal for Supplement 3 to UN Regulation No. 151, and requested the secretariat to submit it for consideration and vote at the November 2021 sessions of WP.29 and AC.1.