# Border Security, Asylum and Immigration Act 2025, Section 5: Duties of cooperation etc

Extent: E+W+S+N.I.

(1) A partner authority must, so far as appropriate and reasonably practicable, cooperate with the Commander in the carrying out of the Commander’s functions.
(2) The duty under subsection (1) extends only so far as the cooperation is compatible with the exercise of the partner authority’s other functions.
(3) The Commander and a person to whom this subsection applies must put in place arrangements governing cooperation between the Commander and that person in support of the Commander’s functions.
(4) Subsection (3) applies to—
(a) the Director-General of the Security Service,
(b) the Chief of the Secret Intelligence Service, and
(c) the Director of GCHQ.

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Source: https://www.legislation.gov.uk/ukpga/2025/31/section/5 (the official version)
Page: https://openlegislation.uk/border-security-asylum-and-immigration-act-2025/section-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.