28. The expert from the United Kingdom of Great Britain and Northern Ireland reported on the outcome of the Special Interest Group on UN Regulation No. 157 (GRVA-13-44). He explained that the group addressed open issues in ECE/TRANS/WP.29/2022/59: the scope and requirements for lane change capability for systems operating above 60km/h, the provisions for intentional lane crossing and evasive lane crossing, the additional DSSAD elements to be recorded related to lane changes, transitional provisions, the final review of the annex including the testing provisions and further clarification of text, as reflected in GRVA-13-43. He also highlighted potential future activities of the group, such as developing an interpretation document for UN Regulation No. 157 on the model of those developed for UN Regulations Nos. 155 and 156.

29. The expert from the United States of America, Co-Chair of the IWG on EDR/DSSAD, mentioned that the group reviewed the DSSAD provisions in the document and proposed amendments.

30. The expert from OICA welcomed the updates developed by the group. He mentioned that his delegation had still a few minor points, that would need to be addressed.

31. The expert from the United States of America advised to address the last remaining points during the week.

32. GRVA further exchanged on clarifications to the proposed text for a new series of amendments to UN Regulation No. 157 and reviewed GRVA-13-43, GRVA‑13‑43/Rev.1 and GRVA-13-43/Rev.2 during the week. The secretariat produced a consolidated version (GRVA-13-48 and GRVA-13-48/Rev.1) which was amended by the group on the last day.

33. GRVA adopted GRVA-13-49 and requested the secretariat to submit it, as ECE/TRANS/WP.29/2022/59/Rev.1, to WP.29 and AC.1 for consideration and vote at their June 2022 sessions.