Part 2

Lawful interception of communications
CHAPTER 1

Interception and examination with a warrant

Further provision about warrants

Modification of warrants
34
1
The provisions of a warrant issued under this Chapter may be modified at any time by an instrument issued by the person making the modification.
2
The only modifications that may be made under this section are—
a
adding, varying or removing the name or description of a person, organisation or set of premises to which the warrant relates, and
b
adding, varying or removing any factor specified in the warrant in accordance with section 31(8).
3
But a warrant may not be modified as mentioned in subsection (2)(a) if it relates only to a particular person or organisation, or to a single set of premises, as mentioned in section 17(1).
4
The decision to modify the provisions of a warrant must be taken personally by the person making the modification, and the instrument making the modification must be signed by that person.
This is subject to section 36(8).
5
In this Chapter—
a
a modification adding or varying a name or description as mentioned in paragraph (a) of subsection (2) is referred to as a “major modification”, and
b
any other modification within that subsection is referred to as a “minor modification”.
6
Nothing in this section applies in relation to modifying the provisions of a warrant in a way which does not affect the conduct authorised or required by it.
7
Sections 35 to 38 contain further provision about making modifications under this section.
S. 34 in force at 27.6.2018 by S.I. 2018/652, reg. 8(f)