http://www.legislation.gov.uk/ukpga/1999/33/section/21/2000-03-01Immigration and Asylum Act 1999An Act to make provision about immigration and asylum; to make provision about procedures in connection with marriage on superintendent registrar’s certificate; and for connected purposes.1999-11-22texttext/xmlenStatute Law Database2026-04-092000-03-01 Immigration and Asylum Act 1999s. 94(3)(3A)Nationality, Immigration and Asylum Act 2002s. 44(4)s. 159s. 162(1)Immigration and Asylum Act 1999Sch. 2 para. 21Nationality, Immigration and Asylum Act 2002s. 23(2)(a)s. 159s. 162(1)Immigration and Asylum Act 1999Sch. 3 para. 2(5)Nationality, Immigration and Asylum Act 2002s. 23(2)(b)s. 159s. 162(1)Immigration and Asylum Act 1999s. 146(2)(za)Immigration Act 2016s. 44(9)s. 94(1)Immigration and Asylum Act 1999s. 94(2A)-(2C)Immigration Act 2016Sch. 11 para. 3(3)s. 94(1)Immigration and Asylum Act 1999s. 94(3A)-(3D)Immigration Act 2016Sch. 11 para. 3(5)s. 94(1)Immigration and Asylum Act 1999s. 94(2D)Immigration Act 2016Sch. 11 para. 7(4)s. 94(1)Immigration and Asylum Act 1999s. 95AImmigration Act 2016Sch. 11 para. 9s. 94(1)Immigration and Asylum Act 1999s. 96(1A)Immigration Act 2016Sch. 11 para. 10(3)s. 94(1)Immigration and Asylum Act 1999s. 97(8)(9)Immigration Act 2016Sch. 11 para. 11(4)s. 94(1)Immigration and Asylum Act 1999s. 98AImmigration Act 2016Sch. 11 para. 13s. 94(1)Immigration and Asylum Act 1999s. 125(2)(ba)Immigration Act 2016Sch. 11 para. 22(3)(b)s. 94(1)Immigration and Asylum Act 1999s. 166(5)(ca)Immigration Act 2016Sch. 11 para. 24(2)s. 94(1)Immigration and Asylum Act 1999s. 166(5A)(5B)Immigration Act 2016Sch. 11 para. 24(3)s. 94(1)Immigration and Asylum Act 1999s. 166(6)(aa)Immigration Act 2016Sch. 11 para. 24(4)s. 94(1)Immigration and Asylum Act 1999s. 97(3A)(b)(iv)Nationality and Borders Act 2022s. 13(2)(c)(ii)s. 87(1)Immigration and Asylum Act 1999s. 98A(5)Nationality and Borders Act 2022s. 13(4)s. 87(1)Immigration and Asylum Act 1999s. 72(10)Asylum and Immigration (Treatment of Claimants, etc. ) Act 2004Sch. 4s. 48(3)Immigration and Asylum Act 1999s. 103(4)(a)Asylum and Immigration (Treatment of Claimants, etc. ) Act 2004s. 10(4)(b)s. 10(6)s. 48(3)art. 2Immigration and Asylum Act 1999s. 103A(1)Asylum and Immigration (Treatment of Claimants, etc. ) Act 2004s. 10(5)s. 10(6)s. 48(3)art. 2Immigration and Asylum Act 1999s. 103A(1) headingAsylum and Immigration (Treatment of Claimants, etc. ) Act 2004s. 10(5)s. 10(6)s. 48(3)art. 2Immigration and Asylum Act 1999s. 87(3AA)-(3AC)Border Security, Asylum and Immigration Act 2025Sch. 1 para. 5(2)s. 65(1)Immigration and Asylum Act 1999s. 87(3D)Border Security, Asylum and Immigration Act 2025Sch. 1 para. 5(3)s. 65(1)Immigration and Asylum Act 1999s. 87(4A)Border Security, Asylum and Immigration Act 2025Sch. 1 para. 5(5)s. 65(1)Immigration and Asylum Act 1999Sch. 6 para. 4AABorder Security, Asylum and Immigration Act 2025Sch. 1 para. 6(2)s. 65(1)Immigration and Asylum Act 1999Sch. 6 para. 4CBorder Security, Asylum and Immigration Act 2025Sch. 1 para. 6(4)s. 65(1)Immigration and Asylum Act 1999s. 84(3C)Border Security, Asylum and Immigration Act 2025Sch. 1 para. 7s. 65(1)Immigration and Asylum Act 1999Sch. 5 para. 5(3)(ba)Border Security, Asylum and Immigration Act 2025Sch. 1 para. 14(2)s. 65(1)Immigration and Asylum Act 1999Sch. 5 para. 6(2A)(2B)Border Security, Asylum and Immigration Act 2025Sch. 1 para. 14(3)(b)s. 65(1)Immigration and Asylum Act 1999Sch. 5 para. 9A-9C and cross-headingBorder Security, Asylum and Immigration Act 2025Sch. 1 para. 14(5)s. 65(1)Immigration and Asylum Act 1999s. 103(5)(b)The Transfer of Tribunal Functions Order 2008Sch. 3 para. 183(ii)art. 1(1)Immigration and Asylum Act 1999s. 103A(1)The Transfer of Tribunal Functions Order 2008Sch. 3 para. 184art. 1(1)Immigration and Asylum Act 1999s. 10(12)Illegal Migration Act 2023s. 10(6)s. 55(9)s. 68(1) Part I211This section applies to information held by the Secretary of State in connection with the exercise of functions under any of the Immigration Acts.2The information may be supplied to—aa chief officer of police, for use for police purposes;bthe Director General of the National Criminal Intelligence Service, for use for NCIS purposes;cthe Director General of the National Crime Squad, for use for NCS purposes;dthe Commissioners of Customs and Excise, or a person providing services to them, for use for customs purposes; oreany specified person, for use for purposes specified in relation to that person.3“Police purposes” means any of the following—athe prevention, detection, investigation or prosecution of criminal offences;bsafeguarding national security;csuch other purposes as may be specified.4“NCIS purposes” means any of the functions of the National Criminal Intelligence Service mentioned in section 2 of the Police Act 1997.5“NCS purposes” means any of the functions of the National Crime Squad mentioned in section 48 of that Act.6“Customs purposes” means any of the Commissioners’ functions in relation to—athe prevention, detection, investigation or prosecution of criminal offences;bthe prevention, detection or investigation of conduct in respect of which penalties which are not criminal penalties are provided for by or under any enactment;cthe assessment or determination of penalties which are not criminal penalties;dchecking the accuracy of information relating to, or provided for purposes connected with, any matter under the care and management of the Commissioners or any assigned matter (as defined by section 1(1) of the Customs and Excise Management Act 1979);eamending or supplementing any such information (where appropriate);flegal or other proceedings relating to anything mentioned in paragraphs (a) to (e);gsafeguarding national security; andhsuch other purposes as may be specified.7“Chief officer of police” and “specified” have the same meaning as in section 20.8This section does not limit the circumstances in which information may be supplied apart from this section.1997 c.50. 1979 c. 2.