220Dimension limits do not apply to certain class O vehicles

220 Dimension limits do not apply to certain class O vehicles A width limit, length limit, height limit or other dimension limit set out in Schedule 6 does not apply to a Class O vehicle if— (a) the vehicle is exempt from compliance with the limit as a result of a class O notice published, or class O permit issued, under Part 5; and (b) the vehicle is being used in accordance with the notice or permit. Subdivision 2—Class O notices