1. The Working Party on Passive Safety (GRSP) held its seventieth session virtually from 6 to 10 December 2021 in Geneva. The meeting was chaired by Mr. Martin Koubek (United States of America). Experts from the following countries participated in the work following Rule 1(a) of the Rules of Procedure of the World Forum for Harmonization of Vehicle Regulations (WP.29) (ECE/TRANS/WP.29/690/Rev.1): Australia, Canada, China, Czechia, Finland, France, Germany, India, Italy, Japan, Netherlands, Norway, Poland, Republic of Korea, Russian Federation, Spain, Sweden, Switzerland, United Kingdom of Great Britain and Northern Ireland, United States of America. The European Commission (EC) participated. Experts from the following non-governmental organizations participated: American Automotive Policy Council (AAPC), Consumers International (CI), European Association of Automotive Suppliers (CLEPA), European New Car Assessment Programme (Euro NCAP), EuroMed Transport Support Project, Federation International de l’Automobile (FIA), Global New Car Assessment Programme (Global NCAP), International Motor Vehicle Inspection Committee (CITA), International Motorcycle Manufacturers Association (IMMA), International Organization of Motor Vehicle Manufacturers (OICA) and World Bicycle Industry Association (WBIA), Society of Automotive Engineers (SAE) International and Towards Zero Foundation.

2. Annex I of the session report lists the informal documents distributed during the session.