(a) The owner of any building, or any person having an interest therein, erected or being erected with the
approval of a local authority, who occupies or uses such building or permits the occupation or use of such building -
(i) unless a certificate of occupancy has been issued in terms of subsection (1)(a) in respect of such
building;
(ii) except in so far as it is essential for the erection of such building;
(iii) during any period not being the period in respect of which such local authority has granted permission
in writing for the occupation or use of such building or in contravention of any condition on which such
permission has been granted; or,
(iv) otherwise than in such circumstances and on such conditions as may be prescribed by national building regulation,
shall be guilty of an offence.