53 Safeguards relating to retention and disclosure of material

Chapter 3
Other Provisions about Interception

Restrictions on use or disclosure of material obtained under warrants etc

53  Safeguards relating to retention and disclosure of material

(1)     The issuing authority must ensure, in relation to every targeted interception warrant or mutual assistance warrant issued by that authority, that arrangements are in force for securing that the requirements of subsections (2) and (5) are met in relation to the material obtained under the warrant.

This is subject to subsection (9).

(2)     The requirements of this subsection are met in relation to the material obtained under a warrant if each of the following is limited to the minimum that is necessary for the authorised purposes (see subsection (3))—

(a)     the number of persons to whom any of the material is disclosed or otherwise made available;

(b)     the extent to which any of the material is disclosed or otherwise made available;

(c)     the extent to which any of the material is copied;

(d)     the number of copies that are made.

(3)     For the purposes of this section something is necessary for the authorised purposes if, and only if—

(a)     it is, or

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