1. The Working Party on Passive Safety (GRSP) held its fifty-third session in Geneva from 13 to 17 May 2013, chaired by Ms. M. Versailles (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) (TRANS/WP.29/690 and Amend.1): Australia; Canada; China; France; Germany; Hungary; India; Italy; Japan; Netherlands; Norway; Republic of Korea; Russian Federation; South Africa; Spain; Sweden; Switzerland; United Kingdom of Great Britain and Northern Ireland and United States of America. An expert from the European Commission (EC) participated. Experts from the following non-governmental organizations participated: Consumers International (CI); European Association of Automotive Suppliers (CLEPA); Foundation for the Automobile and Society (FIA Foundation); International Organization of Motor Vehicle Manufacturers (OICA) and International Motorcycle Manufacturers Association (IMMA).

2. The informal documents distributed during the session are listed in Annex I to the session report.