An individual must not do any residential building work, or specialist work, except--
(a) as, or as a member of a partnership or an officer of a corporation that is, the holder of a contractor licence authorising its holder to contract to do that work, or
(b) as the holder of an owner-builder permit authorising its holder to do that work, or
(c) as an employee of the holder of such a contractor licence or permit.
: Maximum penalty--1,000 penalty units in the case of a corporation and 200 penalty units in any other case.