| Naval Forces (Enforcement of Maintenance Liabilities) Act 1947 | 1947 c. 24 | specified amended provision(s) | Commencement Order | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 2-7 Sch. | Yes |   commencement order for 2000 c. 4 |
| Army Act 1955 | 1955 c. 18 | specified amended provision(s) | Commencement Order | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 2-7 Sch. | Yes |   commencement order for 2000 c. 4. This effect relates to the Army Act 1955 (3 & 4 Eliz. 2) c. 18 |
| Air Force Act 1955 | 1955 c. 19 | specified amended provision(s) | Commencement Order | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 2-7 Sch. | Yes |   commencement order for 2000 c. 4. This effect relates to the Air Force Act 1955 (3 & 4 Eliz. 2) c. 19 |
| Income and Corporation Taxes Act 1988 | 1988 c. 1 | specified amended provision(s) | Commencement Order | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 2-7 Sch. | Yes |   commencement order for 2000 c. 4 (N.I.) |
| Finance Act 1988 | 1988 c. 39 | specified amended provision(s) | Commencement Order | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 2-7 Sch. | Yes |   commencement order for 2000 c. 4 (N.I.) |
| Social Security Contributions and Benefits (Northern Ireland) Act 1992 | 1992 c. 7 | specified amended provision(s) | Commencement Order | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 2-7 Sch. | Yes |   commencement order for 2000 c. 4 (N.I.) |
| Social Security Administration (Northern Ireland) Act 1992 | 1992 c. 8 | specified amended provision(s) | Commencement Order | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 2-7 Sch. | Yes |   commencement order for 2000 c. 4 (N.I.) |
| Child Support Act 1995 | 1995 c. 34 | specified amended provision(s) | Commencement Order | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 2-7 Sch. | Yes |   commencement order for 2000 c. 4 (N.I.) |
| Tax Credits Act 1999 | 1999 c. 10 | specified amended provision(s) | Commencement Order | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 2-7 Sch. | Yes |   commencement order for 2000 c. 4 (N.I.) |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 1(1)-(3) | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 3 Sch. | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 2 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 3 Sch. | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 2(1)(2) | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 2 | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 3 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 4 | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 4 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 3 Sch. | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 5 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 3 Sch. | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 6 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 3 Sch. | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 7 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 3 Sch. | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 8 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 3 Sch. | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 9 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 3 Sch. | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 10 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 3 Sch. | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 12 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 3 Sch. | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 17 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 3 Sch. | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 19 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 5 | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 20 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 3 Sch. | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 21(4) | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 3 Sch. | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 22 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 6 | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 24 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 3 Sch. | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 25 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 3 Sch. | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 25 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 7 | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 28 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 7 | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 67 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 3 Sch. | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | s. 67 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 6 | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | Sch. 1 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 3 Sch. | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | Sch. 2 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 3 Sch. | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | Sch. 3 (except para. 23) | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 3 Sch. | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | Sch. 3 para. 23 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 7 | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | Sch. 9 Pt. 1 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 3 Sch. | Yes | |
| Child Support, Pensions and Social Security Act (Northern Ireland) 2000 | 2000 c. 4 | Sch. 9 Pt. 1 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 6 | Yes | |
| Child Support, Pensions and Social Security Act 2000 | 2000 c. 19 | specified amended provision(s) | Commencement Order | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 2-7 Sch. | Yes |   commencement order for 2000 c. 4 (N.I.) |
| The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 1 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | | Yes | |
| The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 2 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | | Yes | |
| The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 3 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | | Yes | |
| The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 4 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | | Yes | |
| The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 5 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | | Yes | |
| The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 6 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | | Yes | |
| The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 7 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | | Yes | |
| The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | art. 8 | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | | Yes | |
| The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | Sch. | coming into force | The Child Support, Pensions and Social Security (2000 Act) (Commencement No. 9) Order (Northern Ireland) 2003 | 2003 No. 53 | | Yes | |