Part 4: Retention of communications data Section 94: Variation or revocation of notices
Subsections (1) to (12) provide for the Secretary of State to vary a notice. Where a notice is varied the same considerations will apply as in the giving of a notice. A Judicial Commissioner must approve the decision to vary a notice.
	Subsections (13) to (16) provide for the revocation of data retention notices in full or in part.