A vehicle need not comply with an ADR applied by rule 19(1) or 20(1) if:
(a) before the repeal of the M otor Vehicle Standards Act 1989 (Cwlth), a determination or declaration under section 5B of that Act provided that the vehicle is not a road vehicle for that Act; or
(b) the vehicle is within a class determined in, or is specified in, an instrument under section 6(5)(b) or (6)(b) of the Road Vehicle Standards Act 2018 (Cwlth).