| The Social Security (Widow's Benefit and Retirement Pensions) Regulations (Northern Ireland) 1979 | 1979 No. 243 | reg. 3A | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 2 | Not yet | |
| The Social Security (General Benefit) Regulations (Northern Ireland) 1984 | 1984 No. 92 | reg. 14 | sum substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 3 | Not yet | |
| The Social Security (Severe Disablement Allowances) Regulations (Northern Ireland) 1984 | 1984 No. 317 | reg. 3(1)(a)(iii) | words omitted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 4 | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | reg. 35(1)(k) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(2) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | reg. 48(4) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(3) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | reg. 65 | words omitted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(4) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 1B para. 16 | omitted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(5)(a) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 1B para. 19 | substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(5)(b) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 2 para. 10(4) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(6)(a) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 2 para. 12(1A) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(6)(a) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 3 para. 7(10) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(6)(b) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 3 para. 10 | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(6)(b) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 3 para. 14(3AA)(b) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(6)(b) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 3 para. 1(3)(c) and word | added | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(7)(a) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 3 para. 3(7)(c)(ii) | substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(7)(b) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 3 para. 7(4A) | inserted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(7)(c) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 8 para. 7(1)(d) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(8) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 8 para. 15A(a) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(8) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 9 para. 15(1) | substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(9)(a)(i) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 9 para. 15(3) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(9)(a)(ii) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 9 para. 15(2) | omitted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(9)(a)(iii) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 9 para. 15(4) | omitted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(9)(a)(iii) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 9 para. 15(5) | omitted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(9)(a)(iii) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 9 para. 15A | omitted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(9)(b) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 9 para. 26(b) | substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(9)(c) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 9 para. 27(b) | substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(9)(d) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 9 para. 30A | words omitted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(9)(e) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 9 para. 36 | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(9)(f) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 10 para. 12 | words inserted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(10)(a) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 10 para. 12A | inserted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(10)(b) | Not yet | |
| The Income Support (General) Regulations (Northern Ireland) 1987 | 1987 No. 459 | Sch. 10 para. 43 | substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 5(10)(c) | Not yet | |
| The Housing Benefit (General) Regulations (Northern Ireland) 1987 | 1987 No. 461 | reg. 36(9)(10) | added | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 6(2) | Not yet | |
| The Housing Benefit (General) Regulations (Northern Ireland) 1987 | 1987 No. 461 | reg. 40(4) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 6(3) | Not yet | |
| The Housing Benefit (General) Regulations (Northern Ireland) 1987 | 1987 No. 461 | reg. 56 | words omitted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 6(4) | Not yet | |
| The Housing Benefit (General) Regulations (Northern Ireland) 1987 | 1987 No. 461 | reg. 68(10) | words inserted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 6(5) | Not yet | |
| The Housing Benefit (General) Regulations (Northern Ireland) 1987 | 1987 No. 461 | reg. 69(5)(a) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 6(6) | Not yet | |
| The Housing Benefit (General) Regulations (Northern Ireland) 1987 | 1987 No. 461 | Sch. 1B para. 2(3)(bb) | inserted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 6(7) | Not yet | |
| The Housing Benefit (General) Regulations (Northern Ireland) 1987 | 1987 No. 461 | Sch. 2 para. 10(4) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 6(8) | Not yet | |
| The Housing Benefit (General) Regulations (Northern Ireland) 1987 | 1987 No. 461 | Sch. 2 para. 12(8) | words substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 6(8) | Not yet | |
| The Housing Benefit (General) Regulations (Northern Ireland) 1987 | 1987 No. 461 | Sch. 4 para. 26(b) | substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 6(9)(a) | Not yet | |
| The Housing Benefit (General) Regulations (Northern Ireland) 1987 | 1987 No. 461 | Sch. 4 para. 27(b) | substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 6(9)(b) | Not yet | |
| The Housing Benefit (General) Regulations (Northern Ireland) 1987 | 1987 No. 461 | Sch. 5 para. 13 | words inserted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 6(10)(a) | Not yet | |
| The Housing Benefit (General) Regulations (Northern Ireland) 1987 | 1987 No. 461 | Sch. 5 para. 13A | inserted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 6(10)(b) | Not yet | |
| The Housing Benefit (General) Regulations (Northern Ireland) 1987 | 1987 No. 461 | Sch. 5 para. 45 | substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 6(10)(c) | Not yet | |
| The Housing Benefit (General) Regulations (Northern Ireland) 1987 | 1987 No. 461 | Sch. 5ZA para. 17(2)(a) | substituted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 6(11) | Not yet | |
| The Income Support (General) (Amendment) Regulations (Northern Ireland) 1990 | 1990 No. 131 | reg. 12 | revoked | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 15 Sch. | Not yet | |
| The Income Support (General) (Amendment) Regulations (Northern Ireland) 1990 | 1990 No. 131 | reg. 20(d) | revoked | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 15 Sch. | Not yet | |
| The Housing Benefit (General) (Amendment No. 2) Regulations (Northern Ireland) 1990 | 1990 No. 136 | reg. 7 | revoked | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 15 Sch. | Not yet | |
| The Social Security (Attendance Allowance) Regulations (Northern Ireland) 1992 | 1992 No. 20 | reg. 2(1)(a)(iii) | words omitted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 7 | Not yet | |
| The Social Security (Disability Living Allowance) Regulations (Northern Ireland) 1992 | 1992 No. 32 | reg. 2(1)(a)(iii) | words omitted | The Social Security (Miscellaneous Amendments No. 4) Regulations (Northern Ireland) 2006 | 2006 No. 359 | reg. 8 | Not yet | |