25. GRSP noted GRSP-64-24, tabled by the expert from the Netherlands to extend the functional safety in UN Regulation No. 100 to other categories of vehicles. Referring to the work in progress of aligning UN Regulation No. 100 to UN GTR No. 20, the expert from OICA suggested to include this proposal in the programme of work of the IWG on UN GTR No. 20. Finally, GRSP agreed to resume discussion on this agenda item and requested the secretariat to distribute GRSP-64-24 with an official symbol at its May 2019 session.