1. The Working Party on Lighting and Light-Signalling (GRE) held its seventy-ninth session from 24 to 27 April 2018 in Geneva, under the chairmanship of Mr. M. Loccufier (Belgium). 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):
- Austria
- China
- Czechia
- Finland
- France
- Germany
- Hungary
- India
- Italy
- Japan
- Latvia
- Luxembourg
- Netherlands
- Norway
- Poland
- Republic of Korea
- Spain
- United Kingdom of Great Britain and Northern Ireland (UK)
- United States of America
- Viet Nam.
An expert from the European Commission (EC) participated. Experts from the following non governmental organizations also took part in the session:
- 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).