| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 1(2) | words inserted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 3 | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 1(2) | words omitted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 8(a) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 1(2) | words omitted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 8(b) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 1(2) | words omitted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 8(c) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 1(2) | words omitted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 8(d) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 1(2) | words omitted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 8(e) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 1(2) | words omitted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 8(f) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 1(2) | words omitted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 8(g) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 6(3) | substituted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 9 | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 11(1)(a) | word inserted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 10(a)(i) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 11(1)(b) | omitted and word | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 10(a)(ii) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 11(1A) | omitted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 10(b) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 11(2) | words omitted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 10(c)(i) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 11(2)(a) | words omitted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 10(c)(ii) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 11(2)(a)-(d) | word substituted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 10(c)(iii)(aa) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 11(2)(a)-(d) | words substituted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 10(c)(iii)(bb) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 11(2)(a)-(d) | words substituted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 10(c)(iii)(cc) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 11(6) | omitted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 10(d) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 12(1) | substituted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 11 | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 21(3) | substituted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 12 | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 22(1) | words substituted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 4(2) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 22(12)(13) | inserted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 4(3) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 52A(3) | words substituted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 13(a) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 52A(5)(c) | punctuation mark substituted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 13(b) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 52A(5)(d)(e) | omitted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 13(c) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 52A(6)-(8) | omitted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 13(d) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 54 | omitted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 14 | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 100(4) | substituted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 15 | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 120(2)(b)(ii) | omitted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 16 | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | reg. 155A(2)(f) | omitted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 17 | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | Sch. 3 Pt. 8 para. 1A | inserted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 5(2) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | Sch. 3 Pt. 8 para. 3 | words inserted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 5(3)(a) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | Sch. 3 Pt. 8 para. 3(za)(zb) | inserted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 5(3)(b) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | Sch. 3 Pt. 8 para.003(a) | substituted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 5(3)(c) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | Sch. 3 Pt. 8 para. 3(b) | omitted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 5(3)(d) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | Sch. 3 Pt. 8 para. 3ZA 3ZB | inserted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 5(4) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | Sch. 3 Pt. 8 para. 3C | words inserted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 5(5) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | Sch. 3 Pt. 8 para. 4 | words inserted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 5(5) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | Sch. 3 Pt. 8 para. 4A | words inserted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 5(5) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | Sch. 3 Pt. 8 para. 4B | words inserted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 5(5) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | Sch. 3 Pt. 8 para. 4C | words inserted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 5(5) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | Sch. 3 Pt. 8 para. 4D | words inserted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 5(5) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | Sch. 3 Pt. 8 para. 5 | words inserted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 5(5) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | Sch. 3 Pt. 8 para. 8A | inserted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 5(6) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | Sch. 3 Pt. 8 para. 9(1) | word substituted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 5(7)(a)(i) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | Sch. 3 Pt. 8 para. 9(1) | word substituted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 5(7)(a)(ii) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | Sch. 3 Pt. 8 para. 9(3) | inserted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 5(7)(b) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | Sch. 3 Pt. 8 para. 17 | inserted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 5(8) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | Sch. 3 Pt. 10 para. 10 | words inserted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 6(2) | Yes | |
| The Social Security (Contributions) Regulations 2001 | 2001 No. 1004 | Sch. 3 Pt. 10 para. 11 | words inserted | The Social Security (Contributions) (Amendment) (No. 2) Regulations 2016 | 2016 No. 352 | reg. 6(3) | Yes | |