Part V Counter-terrorist Powers
Power to stop and search
46 Duration of authorisation.
1
An authorisation under section 44 has effect, subject to subsections (2) to (7), during the period—
a
beginning at the time when the authorisation is given, and
b
ending with a date or at a time specified in the authorisation.
2
The date or time specified under subsection (1)(b) must not occur after the end of the period of 28 days beginning with the day on which the authorisation is given.
3
The person who gives an authorisation shall inform the Secretary of State as soon as is reasonably practicable.
4
If an authorisation is not confirmed by the Secretary of State before the end of the period of 48 hours beginning with the time when it is given—
a
it shall cease to have effect at the end of that period, but
b
its ceasing to have effect shall not affect the lawfulness of anything done in reliance on it before the end of that period.
5
Where the Secretary of State confirms an authorisation he may substitute an earlier date or time for the date or time specified under subsection (1)(b).
6
The Secretary of State may cancel an authorisation with effect from a specified time.
7
An authorisation may be renewed in writing by the person who gave it or by a person who could have given it; and subsections (1) to (6) shall apply as if a new authorisation were given on each occasion on which the authorisation is renewed.