(1) If a technical assistance notice has been given to a person by the Director - General of Security, the Director - General of Security may, by written notice given to the person, revoke the notice.
(2) If a technical assistance notice has been given to a person by the Director - General of Security, and the Director - General of Security is satisfied that:
(a) the requirements imposed by the notice are not reasonable and proportionate; or
(b) compliance with the notice is not:
(i) practicable; and
(ii) technically feasible;
the Director - General of Security must, by written notice given to the person, revoke the notice.
(3) If a technical assistance notice has been given to a person by the chief officer of an interception agency, the chief officer may, by written notice given to the person, revoke the notice.
(4) If a technical assistance notice has been given to a person by the chief officer of an interception agency, and the chief officer is satisfied that:
(a) the requirements imposed by the notice are not reasonable and proportionate; or
(b) compliance with the notice is not:
(i) practicable; and
(ii) technically feasible;
the chief officer must, by written notice given to the person, revoke the notice.
Notification obligations
(5) If the Director - General of Security revokes a technical assistance notice, the Director - General of Security must, within 7 days after revoking the notice, notify the Inspector - General of Intelligence and Security that the notice has been revoked.
(6) If the chief officer of an interception agency revokes a technical assistance notice, the chief officer must, within 7 days after revoking the notice, notify the Commonwealth Ombudsman that the notice has been revoked.
(7) A failure to comply with subsection (5) or (6) does not affect the validity of a revocation of a technical assistance notice.