5.8.
The warrant instrument should include:
• The name or description of the interception subject or of a set of
premises in relation to which the interception is to take place;
• A warrant reference number; and
• The persons who may subsequently modify the scheduled part
of the warrant in an urgent case (if authorised in accordance with
section 10(8) of RIPA).
5.9. The scheduled part of the warrant will comprise one or more
schedules. Each schedule should contain:
• The name of the communication service provider, or the other
person who is to take action;
• A warrant reference number; and
• A means of identifying the communications to be intercepted.12
Modification of a section 8(1) warrant
5.10. Interception warrants may be modified under the provisions of
section 10 of RIPA. The unscheduled part of a warrant may only be
modified by the Secretary of State or, in an urgent case, by a senior
official with the express authorisation of the Secretary of State.
In these cases, a statement of that fact must be endorsed on the
modifying instrument, and the modification ceases to have effect
after five working days following the date of issue unless it is renewed
by the Secretary of State. The modification will then expire upon the
expiry date of the warrant.
5.11. Scheduled parts of a warrant may be modified by the Secretary
of State, or by a senior official13 acting upon his or her behalf.
A modification to the scheduled part of the warrant may include the
addition of a new schedule relating to a CSP on whom a copy of the
warrant has not been previously served. Modifications made in this
way expire at the same time as the warrant expires. There also exists a
12 This may include addresses, numbers, apparatus or other factors, or combination of factors, that are to
be used for identifying communications (section 8(2) of RIPA).
13 The official to whom the warrant is addressed, or any of his subordinates, may only modify the
scheduled parts of the warrant in the circumstances referred to in paragraph 5.12.
27