| The Child Support (Northern Ireland) Order 1991 | 1991 No. 2628 | art. 18 | applied by S.R. 1999/162, reg. 3A(7)(8) (as added) | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 4 | Yes | |
| The Child Support (Maintenance Assessment Procedure) Regulations (Northern Ireland) 1992 | 1992 No. 340 | reg. 29(A)(8)(9) | inserted | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 2 | Not yet | |
| The Child Support (Collection and Enforcement) Regulations (Northern Ireland) 1992 | 1992 No. 390 | reg. 3(1)(h) | omitted | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 3(2)(a)(i) | Not yet | |
| The Child Support (Collection and Enforcement) Regulations (Northern Ireland) 1992 | 1992 No. 390 | reg. 3(1)(i) | added | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 3(2)(a)(ii) | Not yet | |
| The Child Support (Collection and Enforcement) Regulations (Northern Ireland) 1992 | 1992 No. 390 | reg. 3(1A)(c) | omitted | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 3(2)(b) | Not yet | |
| The Child Support (Collection and Enforcement) Regulations (Northern Ireland) 1992 | 1992 No. 390 | reg. 3(3)-(9) | added | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 3(2)(c) | Not yet | |
| The Child Support (Collection and Enforcement) Regulations (Northern Ireland) 1992 | 1992 No. 390 | reg. 11(2) | words substituted | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 3(3)(a) | Not yet | |
| The Child Support (Collection and Enforcement) Regulations (Northern Ireland) 1992 | 1992 No. 390 | reg. 11(5)-(8) | added | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 3(3)(b) | Not yet | |
| The Child Support (Collection and Enforcement) Regulations (Northern Ireland) 1992 | 1992 No. 390 | reg. 22(2) | words inserted | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 3(4)(a) | Not yet | |
| The Child Support (Collection and Enforcement) Regulations (Northern Ireland) 1992 | 1992 No. 390 | reg. 22(2A) | inserted | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 3(4)(b) | Not yet | |
| The Child Support (Collection and Enforcement) Regulations (Northern Ireland) 1992 | 1992 No. 390 | reg. 22(3) | words inserted | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 3(4)(c) | Not yet | |
| The Child Support (Collection and Enforcement) Regulations (Northern Ireland) 1992 | 1992 No. 390 | reg. 22(3A) | inserted | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 3(4)(d) | Not yet | |
| The Child Support (Collection and Enforcement) Regulations (Northern Ireland) 1992 | 1992 No. 390 | reg. 22(4) | words inserted | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 3(4)(e) | Not yet | |
| The Child Support (Collection and Enforcement) Regulations (Northern Ireland) 1992 | 1992 No. 390 | reg. 22(5) | added | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 3(4)(f) | Not yet | |
| The Social Security and Child Support (Decisions and Appeals) Regulations (Northern Ireland) 1999 | 1999 No. 162 | reg. 3A(7) | added | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 4 | Not yet | |
| The Social Security and Child Support (Decisions and Appeals) Regulations (Northern Ireland) 1999 | 1999 No. 162 | areg. 3A(8) | added | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 4 | Not yet | |
| The Child Support (Maintenance Calculation Procedure) Regulations (Northern Ireland) 2001 | 2001 No. 17 | reg. 24(1) | words inserted | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 5(2) | Yes | |
| The Child Support (Maintenance Calculation Procedure) Regulations (Northern Ireland) 2001 | 2001 No. 17 | reg. 25(1) | words substituted | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 5(3) | Yes | |
| The Child Support (Maintenance Calculation Procedure) Regulations (Northern Ireland) 2001 | 2001 No. 17 | reg. 27 | words inserted | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 5(4) | Yes | |
| The Child Support (Maintenance Calculation Procedure) Regulations (Northern Ireland) 2001 | 2001 No. 17 | reg. 28(1) | words inserted | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 5(5) | Yes | |
| The Child Support (Maintenance Calculation Procedure) Regulations (Northern Ireland) 2001 | 2001 No. 17 | reg. 28B | inserted | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 5(6) | Yes | |
| The Child Support (Maintenance Calculation Procedure) Regulations (Northern Ireland) 2001 | 2001 No. 17 | reg. 30(1D) | inserted | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 5(7) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations (Northern Ireland) 2001 | 2001 No. 18 | Sch. para. 6(3) | words omitted | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 6 | Yes | |
| The Child Support (Transitional Provisions) Regulations (Northern Ireland) 2001 | 2001 No. 19 | reg. 15(3A)(b) | substituted | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 7 | Yes | |
| The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 1 | coming into force | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 1 | Yes | |
| The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 2 | coming into force | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 1 | Yes | |
| The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 3 | coming into force | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 1 | Yes | |
| The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 4 | coming into force | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 1 | Yes | |
| The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 5 | coming into force | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 1 | Yes | |
| The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 6 | coming into force | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 1 | Yes | |
| The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 7 | coming into force | The Child Support and Social Security (Miscellaneous Amendments) Regulations (Northern Ireland) 2008 | 2008 No. 409 | reg. 1 | Yes | |