1. The Working Party on Lighting and Light-Signalling (GRE) met from 19 to 23 October 2020 online and without interpretation (informal meeting in lieu of its eighty-third session), hosted from Geneva. The meeting was chaired by Mr. D. Rovers (Netherlands). Experts from the following countries participated in the work according to Rule 1 (a) of the Rules of Procedure of the World Forum for Harmonization of Vehicle Regulations (WP.29) (TRANS/WP.29/690, ECE/TRANS/WP.29/690/Amends. 1 and 2): Canada, China, Czechia, Cyprus, Finland, France, Germany, Hungary, India, Italy, Japan, Latvia, Netherlands, Poland, Republic of Korea, Russian Federation, San Marino, Serbia, Spain, United Kingdom of Great Britain and Northern Ireland. An expert from the European Commission (EC) participated. Experts from the following non‑governmental organizations also took part in the session: ), European Agricultural Machinery Organization (CEMA), International Motor Vehicle Inspection Committee (CITA), European Association of Automotive Suppliers (CLEPA), International Automotive Lighting and Light Signalling Expert Group (GTB), International Electrotechnical Commission (IEC), International Motorcycle Manufacturers Association (IMMA), International Organization of Motor Vehicle Manufacturers (OICA), Society of Automotive Engineers (SAE).