Immigration and Asylum Act 1999

Type Public General Act
Publication 1999-11-11
Last updated 2026-04-07
State In force
Department Statute Law Database
articles Not indexed
Reform history JSON API
769

S. 84(4)(c) omitted (17.11.2014) by virtue of Immigration Act 2014 (c. 22), s. 75(3), Sch. 7 para. 2(1)(a); S.I. 2014/2771, art. 5(c)

771

S. 141(7)(f) substituted (12.7.2016) by Immigration Act 2016 (c. 19), ss. 57(2), 94(1); S.I. 2016/603, reg. 3(j)

773
775

S. 165 in force at 1.8.2003 in so far as not already in force by S.I. 2003/1862, art. 2

776

Sch. 5 para. 9(1)(a) modified (17.11.2014) by Immigration Act 2014 (c. 22), s. 75(3), Sch. 9 paras. 68, 69; S.I. 2014/2771, art. 5(d)

777

S. 34(1) substituted (8.12.2002 for certain purposes, 11.5.2012 for specified purposes, 13.2.2023 for specified purposes) by Nationality, Immigration and Asylum Act 2002 (c. 41), s. 162(1), Sch. 8 para. 6(2) (with s. 159); S.I. 2002/2811, art. 2, Sch. (with art. 4); S.I. 2012/1263, art. 2; S.I. 2023/32, art. 2(1)(b)(2)

778

Word in Sch. 11 para. 4(b) omitted (12.7.2016) by virtue of Immigration Act 2016 (c. 19), ss. 53(2)(a), 94(1); S.I. 2016/603, reg. 3(g)

780

S. 35A in force at 13.2.2023 for specified purposes by S.I. 2023/34, art. 2

782

S. 95(2)-(7) applied (with modifications) (E.W.) (1.3.2007) by National Health Service (Wales) Act 2006 (c. 42), s. 208(1), Sch. 15 para. 2(7) (with s. 19(3))

783

Word in Sch. 11 para. 5(b) omitted (12.7.2016) by virtue of Immigration Act 2016 (c. 19), ss. 53(3)(a), 94(1); S.I. 2016/603, reg. 3(g)

784

S. 36A inserted (8.12.2002 for specified purposes, 11.5.2012 for specified purposes, 13.2.2023 for specified purposes) by Nationality, Immigration and Asylum Act 2002 (c. 41), s. 162(1), Sch. 8 para. 10 (with s. 159); S.I. 2002/2811, art. 2, Sch. (with art. 4); S.I. 2012/1263, art. 2; S.I. 2023/32, art. 2(1)(b)(2)

786

S. 34(3) omitted (28.4.2022 for specified purposes, 13.2.2023 for specified purposes) by virtue of Nationality and Borders Act 2022 (c. 36), s. 87(1)(4)(c), Sch. 5 para. 7(2); S.I. 2023/33, reg. 2(1)(c)(ii)(2) (with reg. 4)

789

Words in s. 43(1) inserted (28.4.2022 for specified purposes, 13.2.2023 in so far as not already in force) by Nationality and Borders Act 2022 (c. 36), s. 87(1)(4)(c), Sch. 5 para. 12(2)(b); S.I. 2023/33, reg. 2(1)(b) (with reg. 4)

790
791

S. 36(2AA) inserted (28.4.2022 for specified purposes, 13.2.2023 for specified purposes) by Nationality and Borders Act 2022 (c. 36), s. 87(1)(4)(c), Sch. 5 para. 10(4); S.I. 2023/33, reg. 2(1)(c)(iv)(2) (with reg. 4)

792

S. 20(1)(a)(b) substituted for s. 20(1)(a)-(f) (12.7.2016) by Immigration Act 2016 (c. 19), ss. 55(3), 94(1); S.I. 2016/603, reg. 3(h)

793

S. 170(7): power extended (28.4.2022) by Nationality and Borders Act 2022 (c. 36), ss. 86(5)(6)(e), 87(3)(c)

794

S. 84(4)(b) omitted (17.11.2014) by virtue of Immigration Act 2014 (c. 22), s. 75(3), Sch. 7 para. 2(1)(a); S.I. 2014/2771, art. 5(c)

797
798

S. 35A(3)(b) and word omitted (28.4.2022 for specified purposes, 13.2.2023 for specified purposes) by virtue of Nationality and Borders Act 2022 (c. 36), s. 87(1)(4)(c), Sch. 5 para. 9(3)(b); S.I. 2023/33, reg. 2(1)(c)(iv)(2) (with reg. 4)

799

Words in s. 112(4) inserted (22.4.2014) by Crime and Courts Act 2013 (c. 22), s. 61(3), Sch. 9 para. 90(c); S.I. 2014/954, art. 2(c) (with art. 3) (with transitional provisions and savings in S.I. 2014/956, arts. 3-11)

802

S. 115(1)(e) repealed (1.4.2013 for specified purposes) by Welfare Reform Act 2012 (c. 5), s. 150(3), Sch. 14 Pt. 1; S.I. 2013/358, art. 8(c), Sch. 4 (with arts. 9, 10, Sch. 5)

805
807
808

S. 20 heading substituted (12.7.2016) by Immigration Act 2016 (c. 19), ss. 55(2), 94(1); S.I. 2016/603, reg. 3(h)

809

S. 32 cross-heading substituted (28.4.2022 for specified purposes, 13.2.2023 in so far as not already in force) by Nationality and Borders Act 2022 (c. 36), s. 87(1)(4)(c), Sch. 5 para. 2; S.I. 2023/33, reg. 2(1)(b) (with reg. 4)

810

S. 24(1)(aa) inserted (14.7.2014) by Immigration Act 2014 (c. 22), ss. 56(2)(a), 75(2)

811

Words in s. 33(2)(b) repealed (8.12.2002 for specified purposes, 11.5.2012 for specified purposes, 13.2.2023 for specified purposes) by Nationality, Immigration and Asylum Act 2002 (c. 41), s. 162(1), Sch. 8 para. 5, Sch. 9 (with s. 159); S.I. 2002/2811, art. 2, Sch.; S.I. 2012/1263, art. 2; S.I. 2023/32, art. 2(1)(b)(2)

812

Word in s. 141(9)(b) inserted (20.10.2014) by Immigration Act 2014 (c. 22), s. 75(3), Sch. 9 para. 29(4)(a); S.I. 2014/2771, art. 2(e) (with arts. 9-11) (as amended (2.3.2015 and 6.4.2015) by S.I. 2015/371, arts. 1(2)(3), 7, 8; and with transitional provisions and savings in S.I. 2014/2928, art. 2 (which S.I. is revoked (6.4.2015) by S.I. 2015/371, arts. 1(3), 9))

814

Sch. 14 paras. 126-129 repealed (1.4.2003) by Nationality, Immigration and Asylum Act 2002 (c. 41), s. 162(1), Sch. 9 (with s. 159); S.I. 2003/754, art. 2(1), Sch. 1 (with arts. 3, 4)

816
817

Sch. 14 paras. 120-121 repealed (1.4.2003) by Nationality, Immigration and Asylum Act 2002 (c. 41), s. 162(1), Sch. 9 (with s. 159); S.I. 2003/754, art. 2(1), Sch. 1 (with arts. 3, 4)

818

Sch. 5 para. 5(3)(aa) modified (17.11.2014) by Immigration Act 2014 (c. 22), s. 75(3), Sch. 9 paras. 68, 69; S.I. 2014/2771, art. 5(d)

819

Sch. 5 para. 9(1A) modified (17.11.2014) by Immigration Act 2014 (c. 22), s. 75(3), Sch. 9 paras. 68, 69; S.I. 2014/2771, art. 5(d)

820

Sch. 5 para. 10A(2)(a) modified (17.11.2014) by Immigration Act 2014 (c. 22), Sch. 9 paras 69(2); S.I. 2014/2771, art. 5(d)

821
822

Sch. 5 para. 9(4)(a) modified (17.11.2014) by Immigration Act 2014 (c. 22), s. 75(3), Sch. 9 paras. 68, 69; S.I. 2014/2771, art. 5(d)

823

Sch. 5 para. 5(3)(za) modified (17.11.2014) by Immigration Act 2014 (c. 22), s. 75(3), Sch. 9 paras. 68, 69; S.I. 2014/2771, art. 5(d)

824

S. 82(3) added (1.4.2004) by Nationality, Immigration and Asylum Act 2002 (c. 41), ss. 123(3), 162(1) (with s. 159); S.I. 2003/754, art. 2(1), Sch. 1 (with arts. 3, 4, Sch. 2 para. 5) (as amended (21.5.2003) by S.I. 2003/1339, art. 3 and (19.11.2003) by S.I. 2003/2993, art. 3)

825

Word in s. 35(2)(d)(i) substituted (14.11.2002 for certain purposes, 8.12.2002 for certain further purposes, 11.5.2012 for specified purposes, 13.2.2023 for specified purposes) by Nationality, Immigration and Asylum Act 2002 (c. 41), s. 162(1), Sch. 8 para. 7(2) (with s. 159); S.I. 2002/2811, art. 2, Sch. (with art. 4); S.I. 2012/1263, art. 2; S.I. 2023/32, art. 2(1)(b)(2)

826

Word in s. 35(9) substituted (4.11.2002 for certain purposes, 8.12.2002 for certain further purposes, 11.5.2012 for specified purposes, 13.2.2023 for specified purposes) by Nationality, Immigration and Asylum Act 2002 (c. 41), s. 162(1), Sch. 8 para. 7(4)(b) (with s. 159); S.I. 2002/2811, art. 2, Sch. (with art. 4); S.I. 2012/1263, art. 2; S.I. 2023/32, art. 2(1)(b)(2)

827

Word in s. 36(1) substituted (8.12.2002 for specified purposes, 11.5.2012 for specified purposes, 13.2.2023 for specified purposes) by Nationality, Immigration and Asylum Act 2002 (c. 41), s. 162(1), Sch. 8 para. 9(2)(a) (with s. 159); S.I. 2002/2811, art. 2, Sch. (with art. 4); S.I. 2012/1263, art. 2; S.I. 2023/32, art. 2(1)(b)(2)

829

Words in s. 37(2) substituted (14.11.2002 for specified purposes, 8.12.2002 for specified purposes, 11.5.2012 for specified purposes, 13.2.2023 for specified purposes) by Nationality, Immigration and Asylum Act 2002 (c. 41), s. 162(1), Sch. 8 para. 11(3) (with s. 159); S.I. 2002/2811, art. 2, Sch. (with art. 4); S.I. 2012/1263, art. 2; S.I. 2023/32, art. 2(1)(b)(2)

830

Word in s. 35(9) substituted (4.11.2002 for certain purposes, 8.12.2002 for certain further purposes, 11.5.2012 for specified purposes, 13.2.2023 for specified purposes) by Nationality, Immigration and Asylum Act 2002 (c. 41), s. 162(1), Sch. 8 para. 7(4)(a) (with s. 159); S.I. 2002/2811, art. 2, Sch. (with art. 4); S.I. 2012/1263, art. 2; S.I. 2023/32, art. 2(1)(b)(2)

831

S. 35(3)-(7) substituted for s. 35(3)-(8) (14.11.2002 for certain purposes, 8.12.2002 for certain further purposes, 11.5.2012 for specified purposes, 13.2.2023 for specified purposes) by Nationality, Immigration and Asylum Act 2002 (c. 41), s. 162(1), Sch. 8 para. 7(3) (with s. 159); S.I. 2002/2811, art. 2, Sch. (with art. 4); S.I. 2012/1263, art. 2; S.I. 2023/32, art. 2(1)(b)(2)

832

Words in s. 37(1) substituted (14.11.2002 for specified purposes, 8.12.2002 for specified purposes, 11.5.2012 for specified purposes, 13.2.2023 for specified purposes) by Nationality, Immigration and Asylum Act 2002 (c. 41), s. 162(1), Sch. 8 para. 11(2) (with s. 159); S.I. 2002/2811, art. 2, Sch. (with art. 4); S.I. 2012/1263, art. 2; S.I. 2023/32, art. 2(1)(b)(2)

837

S. 141(7)(c)(i)-(iv) substituted for words (with effect retrospectively in accordance with s. 44(17) of the amending Act) by Border Security, Asylum and Immigration Act 2025 (c. 31), ss. 44(7)(a), 65(3)(b)

838

Words in s. 141(7)(f)(ii) inserted (with effect retrospectively in accordance with s. 44(17) of the amending Act) by Border Security, Asylum and Immigration Act 2025 (c. 31), ss. 44(7)(b), 65(3)(b)

839

S. 141(8)(c)(i)(ii) substituted for words (with effect retrospectively in accordance with s. 44(17) of the amending Act) by Border Security, Asylum and Immigration Act 2025 (c. 31), ss. 44(8), 65(3)(b)

840

S. 141(9)(c)(zi) inserted (with effect retrospectively in accordance with s. 44(17) of the amending Act) by Border Security, Asylum and Immigration Act 2025 (c. 31), ss. 44(9)(a), 65(3)(b)

841

Words in s. 141(9)(c)(i) inserted (with effect retrospectively in accordance with s. 44(17) of the amending Act) by Border Security, Asylum and Immigration Act 2025 (c. 31), ss. 44(9)(b), 65(3)(b)

850

S. 93A inserted (2.12.2025 for specified purposes, 2.2.2026 in so far as not already in force) by Border Security, Asylum and Immigration Act 2025 (c. 31), s. 65(3)(f), Sch. 1 para. 12; S.I. 2026/59, reg. 2(e)(ii)

851

S. 141(5)(f)(g) inserted (2.12.2025 for specified purposes, 2.2.2026 in so far as not already in force) by Border Security, Asylum and Immigration Act 2025 (c. 31), ss. 47(2)(b), 65(3)(f)(4)

852

Words in s. 144(1) inserted (2.12.2025 for specified purposes, 2.2.2026 in so far as not already in force) by Border Security, Asylum and Immigration Act 2025 (c. 31), ss. 47(6), 65(3)(f)(4)

853

S. 166(5)(cza) inserted (2.12.2025 for specified purposes, 2.2.2026 in so far as not already in force) by Border Security, Asylum and Immigration Act 2025 (c. 31), s. 65(3)(f), Sch. 1 para. 3(1) (with Sch. 1 para. 3(2)); S.I. 2026/59, reg. 2(e)(i)

854

S. 82(4)(5) inserted (2.12.2025 for specified purposes, 2.2.2026 in so far as not already in force) by Border Security, Asylum and Immigration Act 2025 (c. 31), s. 65(3)(f), Sch. 1 para. 2; S.I. 2026/59, reg. 2(e)(i)

855

S. 141(6A) inserted (2.12.2025 for specified purposes, 2.2.2026 in so far as not already in force) by Border Security, Asylum and Immigration Act 2025 (c. 31), ss. 47(3), 65(3)(f)(4)

856

S. 141(17) omitted (2.12.2025 for specified purposes, 2.2.2026 in so far as not already in force) by virtue of Border Security, Asylum and Immigration Act 2025 (c. 31), ss. 47(5), 65(3)(f)(4)

857

Word in s. 141(5)(d) omitted (2.12.2025 for specified purposes, 2.2.2026 in so far as not already in force) by virtue of Border Security, Asylum and Immigration Act 2025 (c. 31), ss. 47(2)(a), 65(3)(f)(4)

858

S. 141(12)(e) inserted (2.12.2025 for specified purposes, 2.2.2026 in so far as not already in force) by Border Security, Asylum and Immigration Act 2025 (c. 31), ss. 47(4)(b), 65(3)(f)(4)

859

Words in s. 141(12)(b) substituted (2.12.2025 for specified purposes, 2.2.2026 in so far as not already in force) by Border Security, Asylum and Immigration Act 2025 (c. 31), ss. 47(4)(a), 65(3)(f)(4)

861

S. 40(1)-(1C) substituted for s. 40(1) (20.3.2026) by Nationality and Borders Act 2022 (c. 36), ss. 76(2), 87(1) (which amendment is extended (with modifications) (Guernsey) (coming into force in accordance with art. 1(1) of the amending S.I.) by S.I. 2025/1138, arts. 1(1), 2, Schs. 1, 2); S.I. 2026/165, reg. 2

862

S. 40(4A)(4B) inserted (20.3.2026) by Nationality and Borders Act 2022 (c. 36), ss. 76(5), 87(1) (which amendment is extended (with modifications) (Guernsey) (coming into force in accordance with art. 1(1) of the amending S.I.) by S.I. 2025/1138, arts. 1(1), 2, Schs. 1, 2); S.I. 2026/165, reg. 2

863

S. 40(2) omitted (20.3.2026) by virtue of Nationality and Borders Act 2022 (c. 36), ss. 76(3), 87(1) (which amendment is extended (with modifications) (Guernsey) (coming into force in accordance with art. 1(1) of the amending S.I.) by S.I. 2025/1138, arts. 1(1), 2, Schs. 1, 2); S.I. 2026/165, reg. 2

864

Words in s. 40(4) substituted (20.3.2026) by Nationality and Borders Act 2022 (c. 36), ss. 76(4), 87(1) (which amendment is extended (with modifications) (Guernsey) (coming into force in accordance with art. 1(1) of the amending S.I.) by S.I. 2025/1138, arts. 1(1), 2, Schs. 1, 2); S.I. 2026/165, reg. 2

865

Words in s. 40(5) substituted (20.3.2026) by Nationality and Borders Act 2022 (c. 36), ss. 76(6), 87(1) (which amendment is extended (with modifications) (Guernsey) (coming into force in accordance with art. 1(1) of the amending S.I.) by S.I. 2025/1138, arts. 1(1), 2, Schs. 1, 2); S.I. 2026/165, reg. 2

866

Words in s. 40(6) substituted (20.3.2026) by Nationality and Borders Act 2022 (c. 36), ss. 76(7), 87(1) (which amendment is extended (with modifications) (Guernsey) (coming into force in accordance with art. 1(1) of the amending S.I.) by S.I. 2025/1138, arts. 1(1), 2, Schs. 1, 2); S.I. 2026/165, reg. 2

867

Words in s. 40(10) substituted (20.3.2026) by Nationality and Borders Act 2022 (c. 36), ss. 76(8), 87(1) (which amendment is extended (with modifications) (Guernsey) (coming into force in accordance with art. 1(1) of the amending S.I.) by S.I. 2025/1138, arts. 1(1), 2, Schs. 1, 2); S.I. 2026/165, reg. 2

868

S. 40 heading substituted (20.3.2026) by Nationality and Borders Act 2022 (c. 36), ss. 76(9)(a), 87(1) (which amendment is extended (with modifications) (Guernsey) (coming into force in accordance with art. 1(1) of the amending S.I.) by S.I. 2025/1138, arts. 1(1), 2, Schs. 1, 2); S.I. 2026/165, reg. 2

869

S. 40 cross-heading substituted (20.3.2026) by Nationality and Borders Act 2022 (c. 36), ss. 76(9)(b), 87(1) (which amendment is extended (with modifications) (Guernsey) (coming into force in accordance with art. 1(1) of the amending S.I.) by S.I. 2025/1138, arts. 1(1), 2, Schs. 1, 2); S.I. 2026/165, reg. 2

Defences to claim that penalty is due under section 32.

The Immigration Appeal Tribunal.

The Immigration Appeal Tribunal.

Limitations on acting under supervision: other sanctions

Offences.

Failure of sponsor to maintain.

Fingerprinting.

Minor and consequential amendments, transitional provisions and repeals.

Procedural requirements as to applications.

Minor and consequential amendments, transitional provisions and repeals.

Prison officers and prisoner custody officers

8

A reference in this Schedule to a detainee custody officer includes a reference to a prison officer or prisoner custody officer exercising custodial functions.

Prison officers and prisoner custody officers

9

A reference in this Schedule to a detainee custody officer includes a reference to a prison officer or prisoner custody officer exercising custodial functions.

Power to require evidence.

Notice of marriage.

Procedural requirements as to applications.

92A
  • (1) On an application made by the Commissioner a justice of the peace may issue a warrant authorising the Commissioner to enter and search premises.
  • (2) A justice of the peace may issue a warrant in respect of premises only if satisfied that there are reasonable grounds for believing that—
  • (a) an offence under section 91 has been committed,
  • (b) there is material on the premises which is likely to be of substantial value (whether by itself or together with other material) to the investigation of the offence, and
  • (c) any of the conditions specified in subsection (3) is satisfied.
  • (3) Those conditions are—
  • (a) that it is not practicable to communicate with a person entitled to grant entry to the premises,
  • (b) that it is not practicable to communicate with a person entitled to grant access to the evidence,
  • (c) that entry to the premises will be prevented unless a warrant is produced, and
  • (d) that the purpose of a search may be frustrated or seriously prejudiced unless the Commissioner can secure immediate entry on arrival at the premises.
  • (4) The Commissioner may seize and retain anything for which a search is authorised under this section.
  • (5) A person commits an offence if without reasonable excuse he obstructs the Commissioner in the exercise of a power by virtue of this section.
  • (6) A person guilty of an offence under subsection (5) shall be liable on summary conviction to—
  • (a) imprisonment for a term not exceeding six months,
  • (b) a fine not exceeding level 5 on the standard scale, or
  • (c) both.
  • (7) In this section—
  • (a) a reference to the Commissioner includes a reference to a member of his staff authorised in writing by him,
  • (b) a reference to premises includes a reference to premises used wholly or partly as a dwelling, and
  • (c) a reference to material—
  • (i) includes material subject to legal privilege within the meaning of the Police and Criminal Evidence Act 1984 (c. 60),
  • (ii) does not include excluded material or special procedure material within the meaning of that Act, and
  • (iii) includes material whether or not it would be admissible in evidence at a trial.
  • (8) In the application of this section to Scotland—
  • (a) a reference to a justice of the peace shall be taken as a reference to the sheriff,
  • (b) for sub-paragraph (i) of subsection (7)(c) there is substituted—

(i) includes material comprising items subject to legal privilege (as defined by section 412 of the Proceeds of Crime Act 2002 (c. 29)),

and

  • (c) sub-paragraph (ii) of subsection (7)(c) shall be ignored.
  • (9) In the application of this section to Northern Ireland the reference to the Police and Criminal Evidence Act 1984 shall be taken as a reference to the Police and Criminal Evidence (Northern Ireland) Order 1989 (S.I. 1989/1341 (N.I. 12)).
92B
  • (1) A person commits an offence if—
  • (a) he offers to provide immigration advice or immigration services, and
  • (b) provision by him of the advice or services would constitute an offence under section 91.
  • (2) For the purpose of subsection (1) a person offers to provide advice or services if he—
  • (a) makes an offer to a particular person or class of person,
  • (b) makes arrangements for an advertisement in which he offers to provide advice or services, or
  • (c) makes arrangements for an advertisement in which he is described or presented as competent to provide advice or services.

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