38. The expert from the Russian Federation introduced GRSG-124-11, proposing a new rule, drafted by the IWG on Periodical Technical Inspections (PTI) to introduce periodical technical inspections of Emergency Call Systems (AECS), intended to be fitted to vehicles of categories M1 and N1 covered by UN Regulation No. 144. He clarified that the UN Regulation does not specify any satellite system; therefor, the most appropriate system would be considered in PTI. GRSG requested the secretariat to distribute GRSG-124-11 with an official symbol for the March 2023 session of GRSG.