(1)  Subject to subsection (2) , any matter or thing done, or omitted to be done, in good faith by the Secretary, an inspecting officer within the meaning of section 22 , or an inspector for the purpose or purported purpose of the exercise by him of the powers conferred on him by this Act shall not subject him personally to any action, liability, claim, or demand.

(2)  Subsection (1) does not preclude the Crown from being subject to any action, liability, claim, or demand to which the Crown would, but for that subsection, have been subject.