168. The Chair of GRPE informed AC.3 that the IWG on Environmental and Propulsion Performance Requirements (EPPR) was expected to carry on working on updating UN GTR No. 23, for example by developing deterioration factors. Given the long-term plan for the development of an update to UN GTR No. 23, he proposed AC.3 to remove this item from the agenda.

169. AC.3 agreed to remove this item from the agenda of the March 2023 session.