(1) An authorisation given has effect, unless sooner revoked, during the
period beginning at the time it is given and ending at the time specified in
the authorisation.
(2) The period an authorisation has effect must not
exceed--
(a) in the case of an authorisation under section 5-- 7 days
beginning with the day on which it is given, or
(b) in the case of an
authorisation under section 6-- 24 hours beginning with the time at which it
is given.
(3) The period an authorisation has effect may be extended by the
giving of a further authorisation, with the concurrence of the
Police Minister, in accordance with this Division so long as the combined
period does not exceed--
(a) in the case of an authorisation under section 5--
14 days beginning with the day on which it was first given, or
(b) in the
case of an authorisation under section 6--48 hours beginning with the time at
which it was first given.
