Proposal to amend para. 0. to extend application to vehicles of category Y, amend para. 1.4. to exclude category Y vehicles and certain category N₁ vehicles, add definitions and clarifications for category Y vehicles in paras. 2.8., 2.22., 2.29., 2.32., 2.44., and 2.45., and replace wording in para. 5.3.1.2. concerning Automated Driving System activation and delete footnote 9.