About the product
This revised fourth edition of the publication, the so-called Blue Book, continues providing precise and updated information on the World Forum for Harmonization of Vehicle Regulations (WP.29) serviced by the UNECE Sustainable Transport Division: on its historical background, its administrative and legal framework with a user's guide, and the three international UN Agreements administered by the World Forum. Note: The fourth edition of the Blue Book had been published in 2019.
