(1) For rule 298 of the Australian Road Rules, a trailer is exempt if—
(a) the trailer is being towed by a police or emergency vehicle; or
(b) the carriage of passengers is permitted in a part of the trailer and anyone in the trailer is in that part; or
(c) anyone who is in the trailer is engaged in the door-to-door delivery or collection of goods, or in the collection of waste or garbage, and the trailer is not travelling faster than 25 km/h; or
(d) in all the circumstances, there is no reasonable danger of anyone in the trailer falling from the trailer or being injured.
(2) For this regulation, the carriage of passengers is permitted in a part of a trailer if the part is designed primarily for—
(a) the carriage of passengers; or
(b) the carriage of goods, but is enclosed.
(a) the structure of the trailer; or
(b) a canopy, cage or other device fitted to the trailer that is of a kind approved by the road transport authority under paragraph 66 (Approvals etc by road transport authority) (1) (d).