1. The World Forum for Harmonization of Vehicle Regulations (WP.29) held its 166th session from 23-26 June 2015, chaired by Mr. B. Kisulenko (Russian Federation). The following countries were represented, following Rule 1(a) of the Rules of Procedure of WP.29 (TRANS/WP.29/690 and ECE/TRANS/WP.29/690/Amend.1 and Amend.2): Australia; Belgium; Bosnia and Herzegovina; Brazil; Canada; China; Czech Republic; Egypt; Finland; France; Georgia; Germany; Hungary; India; Italy; Kazakhstan; Japan; Latvia; Luxembourg; Netherlands; Norway; Poland; Portugal; Republic of Korea; Romania; Russian Federation; Serbia; Slovakia; South Africa; Spain; Sweden; Switzerland; Thailand; United Kingdom of Great Britain and Northern Ireland; United States of America. Representatives of the European Union (EU) participated. The following governmental organization was also represented: International Telecommunication Union (ITU). The following non-governmental organizations were also represented: Association for Emission Control by Catalyst (AECC); European Tyre and Rim Technical Organisation (ETRTO); European Association of Automotive Suppliers (representing also the Motor and Equipment Manufacturers Association (MEMA) and Japan Auto Parts Industries Association (JAPIA)); the Foundation for the Automobile and Society (FIA Foundation); Global New Car Assessment Programme; International Automotive Lighting and Light Signalling Expert Group (GTB); International Motorcycle Manufacturers Association (IMMA); International Organization of Motor Vehicle Manufacturers (OICA); Society of Automotive Engineers (SAE) International and International Motor Vehicle Inspection Committee (CITA).