3. The expert from IMMA proposed to correct references in the recent series of amendments (GRBP-73-04). GRBP adopted the proposal and requested the secretariat to submit it for consideration and vote at the June 2021 sessions of WP.29 and AC.1 as a draft Supplement to the 04 and 05 series of amendments to UN Regulation No. 41.

4. The expert from EC briefed GRBP on an ongoing study of the impact assessment of Euro 5 sound emissions level limits for L-category vehicles (GRBP-73-26). Several experts invited him to keep GRBP informed of the study progress.