3.Amendments to Regulation 15 (braking systems of certain vehicles first used on or after 1st April 1983)
4.Amendments to regulation 16 (braking systems of vehicles to which regulation 15 does not apply)
5.Amendments to regulation 17 (vacuum or pressure brake warning devices)
6.Amendments to regulation 18 (maintenance and efficiency of brakes)
7.Amendments to regulation 25 (tyre loads and speed ratings)