(1) A journalist information warrant issued under this Subdivision must be in accordance with the prescribed form and must be signed by the Part 4 - 1 issuing authority who issues it.
(2) A journalist information warrant issued under this Subdivision may specify conditions or restrictions relating to making authorisations under the authority of the warrant.
(3) A journalist information warrant issued under this Subdivision must specify, as the period for which it is to be in force, a period of up to 90 days.
(4) A Part 4 - 1 issuing authority must not vary a journalist information warrant issued under this Subdivision by extending the period for which it is to be in force.
(5) Neither of subsections (3) and (4) prevents the issue of a further warrant under this Act in relation to a person, in relation to which a warrant under this Act has, or warrants under this Act have, previously been issued.