1. The World Forum for Harmonization of Vehicle Regulations (WP.29) held its 187th session from 21 to 24 June 20221, 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): Armenia, Australia, Austria, Belgium, Brazil, Canada, China, Czechia, Egypt, Finland, France, Germany, Hungary, India, Italy, Japan, Kazakhstan, Latvia, , Luxembourg, Malaysia, Netherlands, Nigeria, Norway, Poland, Portugal, Republic of Congo, Republic of Korea, Romania, Russian Federation, San Marino, South Africa, Spain, Sweden, Switzerland, Tunisia, Türkiye, Ukraine, United Kingdom of Great Britain and Northern Ireland, United States of America, Viet Nam and, Zimbabwe, 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), Association for Emissions Control by Catalyst (AECC), European Association of Automotive Suppliers (CLEPA/MEMA/JAPIA)2, Engine Manufacturers Association (EMA), Fédération Internationale des Grossistes, Importateurs et Exportateurs en Fournitures Automobiles (FIGIEFA), Federation of European Motorcyclists’ Associations (FEMA), International Motor Vehicle Inspection Committee (CITA), Fédération International de l’Automobile (FIA), International Automotive Lighting and Light Signalling Expert Group (GTB), International Motorcycle Manufacturers Association (IMMA), International Organization of Motor Vehicle Manufacturers (OICA), International Road Transport Union (IRU), Recreation Vehicle Industry Association, Inc. (RVIA), Motor and Equipment Manufacturers Association (MEMA), European Tyre and Rim Technical Association (ETRTO) and SAE International. Other non-governmental organizations were represented following Rule 1(d): Kenya Auto Bazar Association (KABA), and World Bicycle Industry Association (WBIA). Other non-governmental organizations, private sector entities, independent experts and observers were represented: Development, testing & simulation of powertrain systems (AVL), Ford Motor Company (South Africa), and European Committee for Standardization (CEN). Some 100 participants attended the session in person.