(1)  The following vehicles are exempt from registration:

(a) an agricultural implement towed by another vehicle;

(b) a trailer towed by an agricultural machine operating as an agricultural machine;

(c) a vehicle under tow by a tow truck operating as a tow truck;

(d) road construction plant owned by a council.

(2)  If a public street (other than a beach) is closed to traffic under section 56A of the Act for the purposes of a motor vehicle race or reliability trial, a motor vehicle participating in the race or reliability trial is, while travelling on that street, exempt from registration.

(3)  In this regulation –

beach means any land (whether above or below high-water mark) which forms, or forms part of, the beach or shore of the sea or any tidal waters;

road construction plant means a vehicle –

(a) consisting of –

(i) an earthmoving machine; or

(ii) a machine for compacting earth or road construction materials; or

(iii) a machine for laying or profiling road construction materials; and

(b) used for the construction, maintenance or repair of roads.