12Trailers used for road construction and other public

12 Trailers used for road construction and other public works (1) The registration provisions do not apply to a trailer towed by a registered motor vehicle that— (a) is— (i) only used for road construction, maintenance (including cleaning, sweeping, watering or a similar process) or repair; or (ii) not let out on hire and only used for rolling tennis courts, cricket wickets, lawns or pathways, or improving the surface of the ground or for similar work, on unleased territory land or on land dedicated or reserved by the Territory for public health, recreation, enjoyment or other similar public purposes; and (b) is only used on a road or road related area when at, going to or returning from the place where the work mentioned in paragraph (a) is done. trailer does not include a vehicle built or used mainly to carry goods or materials, or a caravan used for recreational purposes.