National Security Act 2023

3 Assisting a foreign intelligence service

(1) A person commits an offence if the person—

(a) engages in conduct of any kind, and

(b) intends that conduct to materially assist a foreign intelligence service in carrying out UK-related activities.

(2) A person commits an offence if the person—

(a) engages in conduct that is likely to materially assist a foreign intelligence service in carrying out UK-related activities, and

(b) knows, or having regard to other matters known to them ought reasonably to know, that their conduct is likely to materially assist a foreign intelligence service in carrying out UK-related activities.

(3) Conduct that may be likely to materially assist a foreign intelligence service includes providing, or providing access to, information, goods, services or financial benefits (whether directly or indirectly).

(4) “UK-related activities” means—

(a) activities taking place in the United Kingdom;

(b) activities taking place outside the United Kingdom which are prejudicial to the safety or interests of the United Kingdom.

(5) For the purposes of subsections (1) and (2) it is not necessary to identify a particular foreign intelligence service.

(6) Subsections (1) and (2) apply to conduct outside the United Kingdom, but apply to conduct taking place wholly outside the United Kingdom only if the person engaging in the conduct—

(a) is a UK person, or

(b) acts for or on behalf of, or holds office under, the Crown, or is in Crown employment (whether or not they engage in the conduct in that capacity).

(7) In proceedings for an offence under this section it is a defence to show that the person engaged in the conduct in question—

(a) in compliance with a legal obligation under the law of the United Kingdom which is not a legal obligation under private law,

(b) in the case of a person having functions of a public nature under the law of the United Kingdom, for the purposes of those functions,

(c) as a lawyer carrying on a legal activity, or

(d) in accordance with, or in relation to UK-related activities carried out in accordance with, an agreement or arrangement to which—

(i) the United Kingdom was a party, or

(ii) any person acting for or on behalf of, or holding office under, the Crown was (in that capacity) a party.

(8) A person is taken to have shown a matter mentioned in subsection (7) if—

(a) sufficient evidence of the matter is adduced to raise an issue with respect to it, and

(b) the contrary is not proved beyond reasonable doubt.

(9) A person who commits an offence under this section is liable on conviction on indictment to imprisonment for a term not exceeding 14 years or a fine (or both).

(10) In this section—

• “Crown employment” means employment under or for the purposes of a government department or any officer or body exercising on behalf of the Crown functions conferred by an enactment;

• “financial benefit” means money or money’s worth;

• “foreign intelligence service” means any person whose functions include carrying out intelligence activities for or on behalf of a foreign power;

• the “law of the United Kingdom” includes the law of any part of the United Kingdom;

• “lawyer” has the meaning given by paragraph 6(3) of Schedule 15;

• “legal activity” has the meaning given by paragraph 6(4) of Schedule 15;

• “UK person” has the same meaning as in section 2.