Proposal to amend para. 6.7.4.1. to require the distance between inner edges of two apparent surfaces of position lamps to be not less than 400 mm, amend para. 6.9.4.1. to require the distance between inner edges of two apparent surfaces of stop lamps to be not less than 600 mm for vehicles other than M₁ and N₁ category vehicles (reducible to 400 mm where overall width is less than 1,300 mm) with no special requirement for M₁ and N₁ category vehicles, and amend para. 6.10.4.1. to require the distance between inner edges of two apparent surfaces of rear lamps to be not less than 400 mm for M₁ and N₁ category vehicles and not less than 600 mm for other categories (reducible to 400 mm where overall width is less than 1,300 mm).