57Provisions supplementary to sections 55 and 56
(1)For the purposes of sections 21 and 22 of the Police [1984 c. 60.] and Criminal Evidence Act 1984 (access to, and copying and retention of, seized material)—
(a)an investigation into drug trafficking shall be treated as if it were an investigation of or in connection with an offence; and
(b)material produced in pursuance of an order under section 55(2)(a) of this Act shall be treated as if it were material seized by a constable.
(2)In sections 55 and 56 of this Act “excluded material”, “items subject to legal privilege” and “premises” have the same meaning as in the 1984 Act.