Text prepared by the International Organization of Motor Vehicle Manufacturers (OICA) in order to introduce the concept of “revision of approvals” in the regulations under GRB responsibility.

Proposal for additional sound emission provisions (ASEP) to align UN R59 with parallel amendments to the main vehicle noise regulation, UN R51.

Text prepared by the European Association of Automotive Suppliers (CLEPA) to introduce Additional Sound Emission Provisions (ASEP) into the UN R59.

Proposal pursuant to GRB discussions (55th session, para. 12) and document GRB/2013/8 to insert the amendments concerning the ASEP provisions as soon as Regulation No. 51 has been accordingly amended (in line with the draft proposal (Reference 2011/XXXX (COD)) of the European Commission “Proposal of the European Parliament and of the Council on the sound level of motor vehicles and of their exhaust systems”).