9. The expert from OICA presented a comparison between two recent studies on the limits of sound levels of M- and N-category vehicles (GRBP-76-14). GRBP invited TF VS to discuss this topic at its forthcoming meeting in September 2022.

28. The expert of the Task Force on Vehicle Sound (TF VS) reported on their activities (GRBP-77-25) and recalled the study on the limits of sound levels of M- and N-category vehicles that had been presented at the previous session (GRBP-76-14). GRBP requested the secretariat to publish the study as a reference document on the website.