(1)  This section applies if an inspector reasonably believes that a person –

(a) is contravening a provision of this Act; or

(b) has contravened a provision in circumstances that make it likely that the contravention will continue or be repeated.

(2)  The inspector may issue an improvement notice requiring the person to –

(a) remedy the contravention; or

(b) prevent a likely contravention from occurring; or

(c) remedy the things or operations causing the contravention or likely contravention.