(1) A building surveyor is not personally liable for an act done, or omission made, in good faith when exercising or purportedly exercising a power, or when performing or purportedly performing a function, of a building surveyor under this Act.(2) A building surveyor is not liable for an act done, or omission made, in good faith as a result of relying on (a) a certificate provided in accordance with this Act; or(b) the valid performance of a function, or exercise of a power, by another person as required under this Act; or(c) advice provided by a person qualified, or purportedly qualified, to provide the advice.