Modified version of document GRRF/2011/35/Rev.1, pursuant to GRRF session 72 discussions, which aims to clarify reasonable levels of braking performance to be expected in different positions of the ignition key (i.e., off, on, lock, etc.).

Notes submitted by the chair of the Working Party on Brakes and Running Gear regarding the enforcement provisions of the supplements to UN R13-H, including mandatory electronic stability controls (ESC) and brake assist systems (BAS).

Russian submission reviewing the supplements to UN R13-H, their transtional provisions and lead times before entry into force.