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.