| Inland Revenue Regulation Act 1890 | 1890 c. 21 | specified amended provision(s) | Commencement Order | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes |   commencement order for 2002 c. 21 |
| Finance Act 1989 | 1989 c. 26 | specified amended provision(s) | Commencement Order | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes |   commencement order for 2002 c. 21 |
| Social Security Contributions and Benefits Act 1992 | 1992 c. 4 | specified amended provision(s) | Commencement Order | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes |   commencement order for 2002 c. 21 |
| Social Security Contributions and Benefits (Northern Ireland) Act 1992 | 1992 c. 7 | specified amended provision(s) | Commencement Order | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes |   commencement order for 2002 c. 21 |
| Social Security Administration (Northern Ireland) Act 1992 | 1992 c. 8 | specified amended provision(s) | Commencement Order | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes |   commencement order for 2002 c. 21 |
| Finance Act 1997 | 1997 c. 16 | specified amended provision(s) | Commencement Order | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes |   commencement order for 2002 c. 21 |
| Immigration and Asylum Act 1999 | 1999 c. 33 | specified amended provision(s) | Commencement Order | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes |   commencement order for 2002 c. 21 |
| Electronic Communications Act 2000 | 2000 c. 7 | specified amended provision(s) | Commencement Order | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes |   commencement order for 2002 c. 21 |
| Tax Credits Act 2002 | 2002 c. 21 | s. 49 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes |   commencement order for 2002 c. 22 |
| Tax Credits Act 2002 | 2002 c. 21 | s. 50 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | s. 51 | Coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | s. 52 | Coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | s. 53 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | s. 54(3)-(10) | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | s. 55 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | s. 56 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | s. 57 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | s. 58 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | s. 59 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | s. 60 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 1 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 2 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 3 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 4 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 5 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 6 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 7 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 8 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 9 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 10 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 11 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 12 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 13 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 14 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 15 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 16 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 17 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 18 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 19 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 20 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 21 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 4 para. 22 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 5 para. 1 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 5 para. 2 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 5 para. 3 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 5 para. 4 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 5 para. 5 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 5 para. 6 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 5 para. 7 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |
| Tax Credits Act 2002 | 2002 c. 21 | Sch. 5 para. 8 | coming into force | The Tax Credits Act 2002 (Commencement No. 2) Order 2003 | 2003 No. 392 | art. 2 | Yes | |