ECE/TRANS/WP.29/GRSP/46, para. 35, ECE/TRANS/WP.29/GRSP/2010/26, ECE/TRANS/WP.29/1079, para. 14
Documentation: ECE/TRANS/WP.29/GRSP/46, par. 35; ECE/TRANS/WP.29/GRSP/2010/26; ECE/TRANS/WP.29/1079, par. 14.