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World Forum for Harmonization of Vehicle Regulations (WP.29) – How It Works, How to Join It

Published: February 2019

This new edition of the Blue Book reflects the developments within WP.29 since 2012 (Adoption of the Revision 3 to the 1958 Agreement, Amendment to the Terms of Reference and Rules of Procedures, proposed amendment to the 1997 Agreement, the adoption of new Resolutions and the new structure of the subsidiary bodies of WP.29).


The publication provides the foundation and methods of operation the World Forum. WP.29 is the only global forum for harmonizing vehicle regulations and rules on vehicle performance and on vehicle parts and equipment, vehicle safety, environmental pollution, energy efficiency, anti-theft and security. This edition coincides with and discusses the new International Whole Vehicle Type Approval (IWVTA) system, and reviews and strengthens the current provisions to improve the certification procedures and the conditions of mutual recognition. The principal intent of this document is to present the organizational structure and operational process of WP.29 and its subsidiary bodies and their relationship to specific multinational agreements under the United Nations. It also describes the three main UNECE agreements concerning vehicle regulations:

1. Agreement concerning the Adoption of Harmonized Technical United Nations Regulations for Wheeled Vehicles, Equipment and Parts which can be fitted and / or be used on Wheeled Vehicles and the Conditions for Reciprocal Recognition of Approvals Granted on the Basis of these United Nations Regulations done at Geneva on 20 March 1958, including the amendments entered into force on 14 September 2017
E/ECE/TRANS/505/Rev.3 - E,F,R
- Annexed to the Agreement are more than 149 UN Regulations - E,F,R
- A complete information about the Status of the Agreement and application of UN Regulations by its Contracting Parties contained in document ECE/TRANS/WP.29/343/Rev.xx (also available here)

2. Agreement concerning the Establishing of Global Technical Regulations for Wheeled Vehicles, Equipment and Parts which can be Fitted and/or be used on Wheeled Vehicles, done at Geneva on 25 June 1998
Global Registry: ECE/TRANS/180 & Add1-20
- Annexed to the Agreement are 20 UN Global Technical Regulations, including their appendices, amendments and corrigenda (also available here)

3. Agreement Concerning the Adoption of Uniform Conditions for Periodical Technical Inspections of Wheeled Vehicles and the Reciprocal Recognition of Such Inspections, done at Vienna on 13 November 1997
ECE/RCTE/CONF/4 & Add.1/Rev.1 - Rules Nos. 1-2 (also available here)


The new 4th edition is available for download here: English


Electronic copy of the former edition of the publication is available for download here.


© 2019 United Nations Publications
The information in this document reflects the situation as at the end of February 2019.

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