duty to modify a warrant by deleting a communication identifier if it is
no longer relevant. When a modification is sought to delete a number
or other communication identifier, the relevant CSP must be advised
and interception suspended before the modification instrument is
signed.
5.12. The person to whom the warrant is addressed or a senior official
within the same agency may modify the scheduled part of the warrant
if the warrant was issued or renewed on national security grounds.14
Where the warrant specifically authorises it, the scheduled part of the
warrant may also be amended in an urgent case by the person to
whom the warrant is addressed or a subordinate person (identified in
the warrant) within the same agency.15
5.13. Modifications of this kind are valid for five working days
following the date of issue unless the modification instrument is
endorsed within that period by a senior official acting on behalf of the
Secretary of State. Where the modification is endorsed in this way, the
modification expires upon the expiry date of the warrant.

Renewal of a section 8(1) warrant
5.14. The Secretary of State may renew a warrant at any point before
its expiry date. Applications for renewals must be made to the
Secretary of State and should contain an update of the matters
outlined in paragraph 5.2 above. In particular, the applicant should
give an assessment of the value of interception to the operation to
date and explain why it is considered that interception continues to be
necessary for one or more of the purposes in section 5(3), and why it
is considered that interception continues to be proportionate.
5.15. Where the Secretary of State is satisfied that the interception
continues to meet the requirements of RIPA the Secretary of State
may renew the warrant.

14 Under section 10(6) and (6A) RIPA.
15 Under section 10(8) RIPA.

28

Select target paragraph3