6 Mar 2013	Consistency between the Convention on Road Traffic (1968) and Vehicle Technical Regulations	WP.1/2011/4/Rev.1
22 Oct 2013	Consistency between the Convention on Road Traffic (1968) and Vehicle Technical Regulations	WP.1/2014/4/Rev.3
20 Dec 2013	Report of the Working Party on Road Traffic Safety on its 67th session	WP.1/143