1. The World Forum for Harmonization of Vehicle Regulations (WP.29) held its 184th session from 22 to 24 June 2021, chaired by Mr. A. Erario (Italy). The following countries were represented, following Rule 1 of the Rules of Procedure of WP.29 (ECE/TRANS/WP.29/690/Rev.2): Australia, Austria, Belgium Bosnia and Herzegovina, Brazil, Canada, China, Czech Republic, Egypt, Finland, France, Georgia, Germany, Hungary, India, Ireland, Italy, Japan, Luxembourg, Malaysia, Netherlands, Norway, Republic of Kazakhstan, Republic of Korea, Romania, Russian Federation, South Africa, Spain, Sri Lanka, Sweden, Switzerland, Tunisia, United Kingdom of Great Britain and Northern Ireland, and United States of America. Representatives of the European Union participated. The following international organization was represented: International Telecommunication Union (ITU). The following non-governmental organizations were also represented: American Automotive Policy Council (AAPC, under Rule 1d of the WP29 Terms of Reference), Association for Emissions Control by Catalyst (AECC), Consumers International (CI), European Association of Automotive Suppliers (CLEPA/MEMA/JAPIA), European Tyre and Rim Technical Association (ETRTO) International Federation of Automotive Aftermarket Distributors (Fédération Internationale des Grossistes, Importateurs et Exportateurs en Fournitures Automobiles (FIGIEFA)), Global New Car Assessment Programme (Global NCAP), International Automobile Federation (FIA), International Motor Vehicle Inspection Committee (CITA), International Automotive Lighting and Light Signalling Expert Group (GTB), International Motorcycle Manufacturers Association (IMMA), International Organization for Standardization, International Organization of Motor Vehicle Manufacturers (OICA), Motor and Equipment Manufacturers Association (MEMA), SAE International, Secure America’s Future Energy (SAFE) and World Bicycle Industry Association (WBIA).