(1) A technical assistance notice may be given:
(a) orally; or
(b) in writing.
(2) A technical assistance notice must not be given orally unless:
(a) an imminent risk of serious harm to a person or substantial damage to property exists; and
(b) the technical assistance notice is necessary for the purpose of dealing with that risk; and
(c) it is not practicable in the circumstances to give the technical assistance notice in writing.
(3) If a technical assistance notice is given orally by the Director - General of Security or the chief officer of an interception agency, the Director - General of Security or the chief officer, as the case requires, must:
(a) make a written record of the notice; and
(b) do so within 48 hours after the notice was given.
(4) If, under subsection (3), the Director - General of Security or the chief officer of an interception agency makes a written record of a technical assistance notice, the Director - General of Security or the chief officer, as the case requires, must:
(a) give a copy of the record to the designated communications provider concerned; and
(b) do so as soon as practicable after the record was made.
(5) If, under subsection (3), the Director - General of Security or the chief officer of an interception agency makes a written record of a technical assistance notice, the Director - General of Security or the chief officer, as the case requires, must retain the record while the notice is in force.