4. (b) Regulation No. 51 (Noise of M and N categories of vehicles): Additional sound emission provisions
13. On behalf of IWG ASEP, the expert from France presented their status report to GRB (GRB-67-15-Rev.1) and invited all GRB experts to participate in the work of IWG ASEP.
Status report of the ASEP II informal group to GRB-67