(1)  Except as otherwise provided by this Act, an authorised officer incurs no civil liability for an honest act or omission in the performance or discharge, or purported performance or discharge, of functions or powers under this Act.

(2)  A liability that would, but for subsection (1) , lie against an authorised officer lies instead –

(a) if the officer is an officer or agent of the Crown, against the Crown; or

(b) if the officer is an officer, employee or agent of a water entity, against the water entity.