(1) The ACMA must, in performing its telecommunications functions or exercising its telecommunications powers, do its best to prevent:
(a) telecommunications networks; and
(b) facilities;
from being used in, or in relation to, the commission of offences against the laws of the Commonwealth and of the States and Territories.
(2) The ACMA must, in performing its telecommunications functions or exercising its telecommunications powers, give officers and authorities of the Commonwealth and of the States and Territories such help as is reasonably necessary for the following purposes:
(a) enforcing the criminal law and laws imposing pecuniary penalties;
(b) protecting the public revenue;
(c) safeguarding national security.
(3) The ACMA is not liable to an action or other proceeding for damages for or in relation to an act done or omitted in good faith in performance of the duty imposed by subsection (1) or (2).
(4) An officer, employee or agent of the ACMA is not liable to an action or other proceeding for damages for or in relation to an act done or omitted in good faith in connection with an act done or omitted by the ACMA as mentioned in subsection (3).