# Serious Crime Act 2015, Paragraph 12


(1) In this Schedule—
“all-premises warrant” and “specific-premises warrant” have the meaning given in section 52(3);
“senior officer” means—
(a)a police officer of at least the rank of inspector;
(b)a National Crime Agency officer of grade 3 or above.
(2) An authorisation under paragraph 3 or 4 must be in writing.

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Source: https://www.legislation.gov.uk/ukpga/2015/9/schedule/2/paragraph/12 (the official version)
Page: https://openlegislation.uk/serious-crime-act-2015/schedule-2/paragraph-12
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.