| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | s. 1 | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 2(a) | Yes | |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | s. 2 | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 2(b) | Yes | |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | s. 3 | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 2(c) | Yes | |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | s. 4 | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 2(d) | Yes | |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | s. 5 | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 2(e) | Yes | |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | s. 5(1) | omitted | Finance Act 2008 | 2008 c. 9 | Sch. 43 para. 11(c) | Yes | |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | s. 6 | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 2(f) | Yes | |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | s. 7 | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 4(a) | Yes | |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | s. 8 | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 4(b) | Yes | |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | s. 9(1)(2)(3) | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 3(a) | Yes | |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | s. 9(4)(5) | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 4(c) | Yes | |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | s. 10(1)(2)(3) | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 3(b) | Yes | |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | s. 10(4)(5) | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 4(d) | Yes | |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | s. 11 | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 5 | Yes |   in so far as it relates to the provisions of Sch. 1 |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | s. 12 | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 6 | Yes |   in so far as it relates to the repeals in Sch. 2 |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | Sch. 1 para. 1 | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 5(a)(i) | Yes | |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | Sch. 1 para. 2 | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 5(a)(ii) | Yes | |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | Sch. 1 para. 3(1) | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 5(a)(iii) | Yes |   so far as relating to para. 3(3) |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | Sch. 1 para. 3(3) | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 5(a)(iii) | Yes | |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | Sch. 1 para. 4(1) | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 5(a)(iv) | Yes |   so far as relating to para. 4(3) |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | Sch. 1 para. 4(3) | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 5(a)(iv) | Yes | |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | Sch. 1 para. 5 | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 5(a)(v) | Yes | |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | Sch. 1 para. 3(1) | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 5(b)(i) | Yes |   so far as relating to para. 3(2) |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | Sch. 1 para. 3(2) | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 5(b)(i) | Yes | |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | Sch. 1 para. 4(1) | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 5(b)(ii) | Yes |   so far as relating to para. 4(2) |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | Sch. 1 para. 4(2) | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 5(b)(ii) | Yes | |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | Sch. 2 | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 6(a) | Yes |   so far as it relates to the repeal of provisions of (i) the Social Security Contributions and Benefits Act 1992; (ii) the Social Security Contributions and Benefits (Northern Ireland) Act 1992; (iii) the Social Security Contributions (Transfer of Functions, etc.) Act 1999, except the provisions of Schedule 5 to that Act; (iv) the Welfare Reform and Pensions Act 1999 |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | Sch. 2 | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 6(b) | Yes |   so far as it relates to the repeal of provisions of (i) the Taxes Management Act 1970(6); (ii) the Social Security Administration Act 1992(7); (iii) the Social Security Administration (Northern Ireland) Act 1992(8); (iv) Schedule 5 to the Social Security Contributions (Transfer of Functions, etc.) Act 1999; (v) the Child Support Pensions and Social Security Act 2000(9); (vi) the Child Support, Pensions and Social Security Act (Northern Ireland)2000 |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | Sch. 2 | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 6(c) | Yes |   so far as it relates to the revocation of provisions of (i) the Social Security (Northern Ireland) Order 1998; (ii) Schedule 3 and paragraph 8 of Schedule 4 to the Social Security Contributions (Transfer of Functions, etc.) (Northern Ireland) Order 1999 |
| National Insurance Contributions and Statutory Payments Act 2004 | 2004 c. 3 | Sch. 2 | coming into force | The National Insurance Contributions and Statutory Payments Act 2004 (Commencement) Order 2004 | 2004 No. 1943 | art. 6(d) | Yes |   so far as it relates to the revocation of provisions of paragraphs 1 and 3 of Schedule 4 to the Social Security Contributions (Transfer of Functions, etc.) (Northern Ireland) Order 1999 |