# Crime and Courts Act 2013, Paragraph 9


(1) The chief officer of a UK police force may provide assistance to the NCA if the Director General requests assistance to be provided.
(2) A UK law enforcement agency may provide assistance to the NCA if the Director General requests assistance to be provided.
(3) A request may be made under this paragraph only if the Director General considers that the NCA has a special need for the chief officer, or agency, to provide assistance.
(4) A request under this paragraph must—
(a) state the special need for assistance, and
(b) specify the assistance that is wanted.
(5) If a request is made under this paragraph, a chief officer, or law enforcement agency, may provide such assistance as the chief officer, or agency, considers appropriate in all the circumstances.

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Source: https://www.legislation.gov.uk/ukpga/2013/22/schedule/3/paragraph/9 (the official version)
Page: https://openlegislation.uk/crime-and-courts-act-2013/schedule-3/paragraph-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.