Consolidated proposal for the 03 series of amendments to UN Regulation No. 51, prepared by the expert group on UN R51 pursuant to their fourth meeting on 4 July.

This document is based on document GRB/2012/8 including documents GRB-57-17 (OICA amendments to the transitional provisions), GRB-2013-05 (modified ETRTO amendments for the use of the ISO 10844:2011 test track specifications), and the latest decisions of the EU Council.

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”).

Discussion paper towards defining vehicle subcategories capable of addressing range of vehicles found in Chinese market, including high‐performance coupes, sports cars, saloon cars, SUV, MPV, Kei‐cars, Kei‐trucks, mini‐buses, mini‐trucks and so on.

Amendments agreed to document GRB-58-04 during the 58th session of GRB.

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