Updated to 20 January 2026 (Act No. 21 of 2025 and S.I. No. 16 of 2026)
All effects below are reflected in the most recent Revised Act.
Immigration Act 1999
No. 22 of 1999
Contents
Commencement
| Section | Commencement/Effective Date Where the commencement and effective dates differ, the effective date is shown below.
|
Commencement Information |
|---|---|---|
| Ss. 1-10 | 7 July 1999 | Commenced on enactment |
| S. 11(1)(a-o) | 20 January 2000 | Immigration Act, 1999 (Section 11) (Commencement) Order 2000 (S.I. No. 9 of 2000), art. 2 |
| S. 11(1)(p) | 20 November 2000 | Immigration Act, 1999 (Section 11(1)(p)) (Commencement) Order 2000 (S.I. No. 364 of 2000), art. 2 |
| S. 11(1)(q-t) | 20 January 2000 | Immigration Act, 1999 (Section 11) (Commencement) Order 2000 (S.I. No. 9 of 2000), art. 2 |
| Ss. 12, 13 | 7 July 1999 | Commenced on enactment |
Amendments and other effects
| How Affected | Affecting Provision |
|---|---|
| References construed | 66/2015, ss. 1(2), 51(4) |
| Retention of data where offence under | S.I. No. 597 of 2011, 1(2), 2, 6 |
| Transfer of functions under | 40/2013, ss. 1(2), 6, 82, sch. 1 |
| 42/2004, ss. 3 (1), 4, 58, 59(1), (2), (3) & sch. 3 | |
| S. 3 discretionary power of Min. thereunder stated not to be affected | S.I. No. 518 of 2006, regs. 1(2), 4(6) |
| S. 3 applied | S.I. No. 518 of 2006, regs. 1(2), 14(4) |
| S. 3 conditions prescribed under | 16/2006, ss. 21(1), 41(4) |
| S. 3(1) amended | 8/2019, ss. 2(1)(i), 95(a) |
| S. 3(1) application extended | 66/2015, ss. 1(2), 51(4) |
| S. 3(1A) subsection inserted | 29/2000, ss. 10 (a) (i), 13(2) |
| S. 3(2)(f) applied | S.I. No. 518 of 2006, regs. 1(2), 3(1)(c), 4 |
| S. 3(3) regs. apply to notification of an intention to make a deportation order under | S.I. No. 518 of 2006, regs. 1(2), 3(1)(c) |
| S. 3(3) particulars to be included in notification of proposal under | S.I. No. 518 of 2006, regs. 1(2), 4(1)(a) |
| S. 3(4)(b) amended | 18/2023, ss. 1(4), 44(a) |
| S. 3(4A) inserted | 18/2023, ss. 1(4), 44(b) |
| S. 3(6) applied | S.I. No. 518 of 2006, regs. 1(2), 4(5) |
| S. 3(7) form prescribed | S.I. No. 55 of 2005, reg. 4 & sch. 1 |
| S.I. No. 103 of 2002, reg. 4 & sch. 1 | |
| S.I. No. 319 of 1999, reg. 3 | |
| S. 3(9)(a), par. substit. | 29/2000, ss. 10(a)(ii), 13(2) |
| S. 3(9)(a)(i)(IV) amended with transitional provisions | 7/2022, ss. 1(2), 5(1), 24, sch. 3 ref. 3 |
| S. 3(12) substituted | 18/2023, ss. 1(4), 44(c) |
| S. 3A inserted | 8/2019, ss. 2(1)(i), 95(b) |
| S. 3B inserted | 8/2019, ss. 2(1)(i), 95(b) |
| S. 4 conditions prescribed under | 16/2006, ss. 21(2), 41(4) |
| S. 5 substit. | 66/2015, ss. 1(2), 78 |
| S. 5(1) subsection substituted | 29/2000, ss. 10(b), 13(2) |
| S. 5(1) places prescribed for the purposes of | S.I. No. 55 of 2005, regs. 5, 7 & sch. 2 |
| S.I. No. 103 of 2002, reg. 4 & sch. 2 | |
| S.I. No. 319 of 1999, reg. 4 | |
| S. 5(1) procedure following arrest prescribed | S.I. No. 319 of 1999, reg. 6 |
| S. 5(4)(c) amended | 40/2013, ss. 1(2), 97, sch. 2 pt. 12 |
| 42/2004, ss. 3 (1), 75 & sch. 6, pt. 18 | |
| S. 5(7)(a) amended with transitional provisions | 7/2022, ss. 1(2), 5(1), 24, sch. 3 ref. 3 |
| S. 6(1)(a) amended * | 18/2023, ss. 1(4), 45(a)(i) |
| S. 6(1)(b) amended * | 18/2023, ss. 1(4), 45(a)(ii) |
| S. 6(1)(b) amended with transitional provisions * | 19/2022, ss. 2(1), 27, 40(1) |
| S. 6(1)(b) amended * | 1/2004, s. 16(5) |
| S. 6(b) amended | 29/2000, ss. 10(c)(i), 13(2) |
| S. 6(1)(c) inserted | 18/2023, ss. 1(4), 45(a)(iii) |
| S. 6(1A) inserted | 18/2023, ss. 1(4), 45(b) |
| S. 6(2) subsection inserted | 29/2000, ss. 10(c)(ii), 13(2) |
| S. 6(2) substituted | 18/2023, ss. 1(4), 45(c) |
| S. 6(3) inserted | 18/2023, ss. 1(4), 45(c) |
| S. 8(1) persons authorised for the purposes of | S.I. No. 319 of 1999, reg. 5 |
SIs made under the Act
| Section | SIs made under the Act |
|---|---|
| S. 7 | Immigration Act 1999 (Deportation) (Amendment) Regulations 2017 (S.I. No. 74 of 2017) |
| Immigration Act 1999 (Deportation) (Amendment) Regulations 2016 (S.I. No. 134 of 2016) | |
| Immigration Act 1999 (Deportation) Regulations 2005 (S.I. No. 55 of 2005) | |
| Immigration Act 1999 (Deportation) Regulations 2002 (S.I. No. 103 of 2002) | |
| Immigration Act, 1999 (Deportation) Regulations 1999 (S.I. No. 319 of 1999) |