Part I ContributionsC1C2C3C4C5
Northern Ireland
- Preliminary
- Class 1 contributions
- Class 1A contributions
- Class 1B contributions
- Class 2 contributions
- Class 3 contributions
- Class 3A contributions
- Class 4 contributions
- General
Annotations
Modifications
- C1
Pt. I (ss. 1-19): power to modify conferred (7.2.1994) by 1993 c. 49, s. 35, Sch. 1 Pt. I para. 5(3)(d); S.R. 1994/17, art. 2
Pt. I (ss. 1-19) amended (1.4.1999) by 1999 c. 2, s. 3(1)(7); S.I. 1999/527, art. 2(b), Sch. 2
- C2
Pt. 1 modified (5.10.2009) by The Steps to Work (Miscellaneous Provisions) Order (Northern Ireland) 2009 (S.R. 2009/297), arts. 1(1), 2(1)(a)
- C3
Pt. 1 modified (6.4.2022 for the tax year 2022-23) by Health and Social Care Levy (Repeal) Act 2022 (c. 43), s. 2(3) (with Sch. para. 8)
- C4
Pt. 1 modified (6.4.2022 for the tax year 2022-23) by Health and Social Care Levy (Repeal) Act 2022 (c. 43), Sch. para. 5(1)(2)(4) (with Sch. para. 8)
- C5
Pt. 1 applied (with modifications) (6.4.2023 for the tax year 2023-24) by National Insurance Contributions (Reduction in Rates) Act 2023 (c. 57), Sch. para. 1(1)(2)(4)