| Armed Forces Act 1981 | 1981 c. 55 | specified amended provision(s) | Commencement Order | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2 | Yes |   commencement order for SI 2003/413 (N.I. 3) |
| Marriage Act 1983 | 1983 c. 32 | specified amended provision(s) | Commencement Order | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2 | Yes |   commencement order for SI 2003/413 (N.I. 3) |
| Social Security (Consequential Provisions) (Northern Ireland) Act 1992 | 1992 c. 9 | specified amended provision(s) | Commencement Order | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2 | Yes |   commencement order for SI 2003/413 (N.I. 3) |
| Immigration and Asylum Act 1999 | 1999 c. 33 | specified amended provision(s) | Commencement Order | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2 | Yes |   commencement order for SI 2003/413 (N.I. 3) |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 3(1)(2)art. 3(3)(a)(4) | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 3(3)(b) | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(a) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 4 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 5 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 6 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 7 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 8 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 9 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 10 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 11 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 12 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 13 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 14 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 15 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 16 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 17 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 18 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 19(1)(a) | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(a) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 19(1)(b)(c)(2)(3) | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 20 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 21 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 22 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 23 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 24 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 25 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 26 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 27 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 28 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 29 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 30 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 31 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 32 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 33 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 34 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 35(1)(2)(4) | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 35(3) | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(a) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 36(1)(a)(2) | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 36(1)(b)(3) | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(a) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 37 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(a) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 38 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 39 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 40 | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | Sch. | coming into force | Marriage (2003 Order) (Commencement) Order (Northern Ireland) 2003 | 2003 No. 466 | art. 2(b) | Yes | |