6 March 2013 Consistency between the Convention on Road Traffic (1968) and Vehicle Technical Regulations WP.1/2011/4/Rev.1	WP.1/2011/4/Rev.1	2013-03-06
22 October 2013 Consistency between the Convention on Road Traffic (1968) and Vehicle Technical Regulations WP.1/2014/4/Rev.3	WP.1/2014/4/Rev.3	2013-10-22
20 December 2013 Report of the Working Party on Road Traffic Safety on its 67th session WP.1/143	WP.1/143	2013-12-20