1. The World Forum for Harmonization of Vehicle Regulations (WP.29) held its 179th session from 12 to 14 November 2019, chaired by Mr. B. Kisulenko (Russian Federation).The following countries were represented, following Rule 1 of the Rules of Procedure of WP.29 (ECE/TRANS/WP.29/690/Rev.1): Algeria, Australia, Austria, Belgium, Bosnia and Herzegovina, Canada, China, Czech Republic, Egypt, El Salvador, Finland, France, Georgia, Germany, Hungary, India, the Islamic Republic of Iran, Israel, Italy, Japan, Jordan, Kazakhstan, Latvia, Luxembourg, Malaysia, Morocco, Netherlands, Norway, Pakistan, Poland, Republic of Korea, Romania, Russian Federation, San Marino, Serbia, Slovakia, Spain, South Africa, Sweden, Switzerland, Tunisia, Turkey, United Kingdom of Great Britain and Northern Ireland (UK), United States of America, and Uzbekistan. Representatives of the European Union participated. The following observer country was represented: State of Palestine. The following international organization was represented: International Telecommunication Union (ITU). The following intergovernmental organizations were represented: Conference of European Directors of Roads (CEDR), Eurasian Economic Commission (EEC), European Union funded EuroMed Transport Support Project. The following non-governmental organizations were also represented: Association for Emissions Control by Catalyst (AECC), European Association of Automotive Suppliers (CLEPA/MEMA/JAPIA)1, Fahrzeugsystemdaten GmbH (FSD), Fédération Internationale des Grossistes, Importateurs et Exportateurs en Fournitures Automobiles (FIGIEFA), Consumers International (CI), European Tyre and Rim Technical Organization (ETRTO), International Automobile Federation (FIA), Global New Car Assessment Programme (Global NCAP), International Automotive Lighting and Light Signalling Expert Group (GTB), International Motorcycle Manufacturers Association (IMMA), International Motor Vehicle Inspection Committee (CITA), International Organization for Standardization (ISO), International Organization of Motor Vehicle Manufacturers (OICA) and Society of Automotive Engineers International (SAE International). Other non-governmental organizations were represented following Rule 1(d): American Automotive Policy Council (AAPC), Recreation Vehicle Industry Association (RVIA) and World Bicycle Industry Association (WBIA). Other non-governmental organizations, private sector entities, independent experts and observers were represented: European Committee for Standardization (CEN); Motor and Equipment Manufacturers Association (MEMA), United States of America Tire Manufacturers Association and The American University in Cairo.