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.

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.