For the purposes of section 7(1) of the Act, the following motor vehicles or trailers are exempt from registration under Part 2 of the Act—
(a) a motor vehicle being towed;
Reg. 12(b) amended by S.R. No. 26/2010 reg. 8.
(b) a trailer that is used exclusively—
(i) as an agricultural implement; or
(ii) for transporting the combs of a grain header;
(c) a trailer that is a bulk bin used exclusively for holding grain;
(d) a trailer that is constructed and used exclusively for the carriage of bulk fruit bins;
(e) a trailer towed by an agricultural machine operating as an agricultural machine;
(f) a trailer under tow by a tow truck;
(g) a trailer (other than a trailer specifically constructed to carry a boat) that is not used in the course of trade and that—
(i) weighs less than 200 kilograms unladen; and
(ii) does not exceed in width the width of its towing vehicle as produced by the manufacturer; and
(iii) is not more than 3·0 metres long including its drawbar and any load.
See also regulation 130, which gives an exemption from the requirement to be registered in certain circumstances.