9Variation or cancellation of authority

9 Variation or cancellation of authority

(1)  The chief officer who grants an authority –

(a) may vary or cancel the authority at any time; and

(b) must cancel the authority if the chief officer is satisfied (on a review under section 10 or otherwise) that use of the assumed identity is no longer necessary.

(2)  The chief officer must give written notice of the variation or cancellation to –

(a) the authorised person to whom it relates; and

(b) if the authorised person is an authorised civilian, the authorised person's supervisor.

(3)  The notice must state why the authority is varied or cancelled.

(4)  The variation or cancellation takes effect –

(a) on the day on which the written notice is given to the authorised person; or

(b) if a later date of effect is stated in the notice, on the day stated.