Despite section 271, none of the following persons is liable to an action, suit or proceeding for damages for, or in respect of, anything done honestly, or honestly omitted to be done, in the exercise, or purported exercise, of any power conferred by this Act or the regulations:
(a) the Commonwealth;
(b) the Registrar, or a delegate of the Registrar;
(c) a Deputy Registrar;
(d) the Minister;
(e) a Minister of a State or Territory, or another authority of a State or Territory, in relation to the exercise or performance of a power, duty or function pursuant to an agreement made for the purposes of section 118 (proceeding as if personal property were land);
(f) a member of the Registrar's staff;
(g) a person who is acting as a member of the Registrar's staff;
(h) a person who is authorised to perform or exercise a function or power of, or on behalf of, the Registrar.