| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1 | coming into force | The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(5) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words inserted | The State Pension Credit (Consequential, Transitional and Miscellaneous Provisions) Regulations 2002 | 2002 No. 3019 | reg. 27(2) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words inserted | The Child Support (Miscellaneous Amendments) Regulations 2003 | 2003 No. 328 | reg. 8(2)(a) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words omitted | The Child Support (Miscellaneous Amendments) Regulations 2003 | 2003 No. 328 | reg. 8(2)(b) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words substituted | The Child Support (Miscellaneous Amendments) Regulations 2003 | 2003 No. 328 | reg. 8(2)(c) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words substituted | The Child Support (Miscellaneous Amendments) (No. 2) Regulations 2003 | 2003 No. 2779 | reg. 6(2)(a) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words omitted | The Child Support (Miscellaneous Amendments) (No. 2) Regulations 2003 | 2003 No. 2779 | reg. 6(2)(b) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words inserted | The Child Support (Miscellaneous Amendments) (No. 2) Regulations 2003 | 2003 No. 2779 | reg. 6(2)(c) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words inserted | The Child Support (Miscellaneous Amendments) (No. 2) Regulations 2003 | 2003 No. 2779 | reg. 6(2)(d) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words added | The Child Support (Miscellaneous Amendments) (No. 2) Regulations 2003 | 2003 No. 2779 | reg. 6(2)(e) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words substituted | The Child Support (Miscellaneous Amendments) (No. 2) Regulations 2003 | 2003 No. 2779 | reg. 6(2)(f) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words inserted | The Child Support (Miscellaneous Amendments) (No. 2) Regulations 2003 | 2003 No. 2779 | reg. 6(2)(g) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words substituted | The Mental Health (Care and Treatment) (Scotland) Act 2003 (Modification of Subordinate Legislation) Order 2005 | 2005 No. 445 | art. 2 Sch. para. 30 | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words substituted | The Mental Health (Care and Treatment) (Scotland) Act 2003 (Consequential Provisions) Order 2005 | 2005 No. 2078 | Sch. 2 para. 21 | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words substituted | The Civil Partnership (Pensions, Social Security and Child Support) (Consequential, etc. Provisions) Order 2005 | 2005 No. 2877 | Sch. 4 para. 7(2)(a) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words inserted | The Civil Partnership (Pensions, Social Security and Child Support) (Consequential, etc. Provisions) Order 2005 | 2005 No. 2877 | Sch. 4 para. 7(2)(b) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words inserted | The Employment and Support Allowance (Consequential Provisions) (No. 2) Regulations 2008 | 2008 No. 1554 | reg. 61(2) | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words substituted | The Health and Social Care Act 2008 (Miscellaneous Consequential Amendments) Order 2010 | 2010 No. 1881 | art. 11 | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words substituted | The Public Services Reform (Scotland) Act 2010 (Consequential Modifications of Enactments) Order 2011 | 2011 No. 2581 | Sch. 2 para. 30(a) | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words substituted | The Public Services Reform (Scotland) Act 2010 (Consequential Modifications of Enactments) Order 2011 | 2011 No. 2581 | Sch. 2 para. 30(b) | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | word omitted | The Child Support (Miscellaneous Amendments) Regulations 2012 | 2012 No. 712 | reg. 6(2)(a) | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words inserted | The Child Support (Miscellaneous Amendments) Regulations 2012 | 2012 No. 712 | reg. 6(2)(b) | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words substituted | The Child Support (Miscellaneous Amendments) Regulations 2012 | 2012 No. 712 | reg. 6(3) | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words inserted | The Universal Credit (Consequential, Supplementary, Incidental and Miscellaneous Provisions) Regulations 2013 | 2013 No. 630 | reg. 43(2)(a) | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words inserted | The Universal Credit (Consequential, Supplementary, Incidental and Miscellaneous Provisions) Regulations 2013 | 2013 No. 630 | reg. 43(2)(b) | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words substituted | The Marriage (Same Sex Couples) Act 2013 (Consequential Provisions) Order 2014 | 2014 No. 107 | Sch. 1 para. 29 | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words substituted | The Marriage and Civil Partnership (Scotland) Act 2014 and Civil Partnership Act 2004 (Consequential Provisions and Modifications) Order 2014 | 2014 No. 3229 | Sch. 6 para. 20 | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words inserted | The Social Security and Child Support (Regulation and Inspection of Social Care (Wales) Act 2016) (Consequential Provision) Regulations 2018 | 2018 No. 228 | reg. 7(2)(a) | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2) | words inserted | The Social Security and Child Support (Regulation and Inspection of Social Care (Wales) Act 2016) (Consequential Provision) Regulations 2018 | 2018 No. 228 | reg. 7(2)(b) | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(2)(a)(ii) | words omitted | The Child Support (Consequential Provisions) Regulations 2008 | 2008 No. 2543 | reg. 7(2) | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(3) | substituted | The Child Support (Miscellaneous Amendments) Regulations 2013 | 2013 No. 1517 | reg. 6(2) | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 2 | coming into force | The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(4) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 3 | coming into force | The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(4) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 4 | words substituted | The Social Security Amendment (Carer’s Allowance) Regulations 2002 | 2002 No. 2497 | Sch. 2 para. 1 2 | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 4(1)(2) | coming into force | The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 1(5) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 4(1)(a)(i) | omitted | The Pensions Act 2014 (Consequential, Supplementary and Incidental Amendments) Order 2017 | 2017 No. 422 | art. 17 | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 4(1)(a)(vii) | words inserted | The Social Security (Maternity Allowance) (Miscellaneous Amendments) Regulations 2014 | 2014 No. 884 | reg. 3(2) | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 4(1)(d) | word omitted | The Child Support (Miscellaneous Amendments) Regulations 2005 | 2005 No. 785 | reg. 6(2)(a) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 4(1)(e) | words omitted | The Child Support (Miscellaneous Amendments) (No. 2) Regulations 2003 | 2003 No. 2779 | reg. 6(3)(a) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 4(1)(e) | word omitted | The Child Support (Miscellaneous Amendments) Regulations 2005 | 2005 No. 785 | reg. 6(2)(a) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 4(1)(f) and word | added | The Child Support (Miscellaneous Amendments) (No. 2) Regulations 2003 | 2003 No. 2779 | reg. 6(3)(b) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 4(1)(f) | substituted | The Civil Partnership (Pensions, Social Security and Child Support) (Consequential, etc. Provisions) Order 2005 | 2005 No. 2877 | Sch. 4 para. 7(3) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 4(1)(f) | word omitted | The Employment and Support Allowance (Consequential Provisions) (No. 2) Regulations 2008 | 2008 No. 1554 | reg. 61(3)(a)(i) | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 4(1)(g) and word | added | The Child Support (Miscellaneous Amendments) Regulations 2005 | 2005 No. 785 | reg. 6(2)(b) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 4(1)(g) | word omitted | The Pensions Act 2014 (Consequential, Supplementary and Incidental Amendments) Order 2015 | 2015 No. 1985 | art. 19(a) | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 4(1)(h) and word | added | The Employment and Support Allowance (Consequential Provisions) (No. 2) Regulations 2008 | 2008 No. 1554 | reg. 61(3)(a)(ii) | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 4(1)(i) and word | inserted | The Pensions Act 2014 (Consequential, Supplementary and Incidental Amendments) Order 2015 | 2015 No. 1985 | art. 19(b) | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 4(2) | word omitted | The Universal Credit (Consequential, Supplementary, Incidental and Miscellaneous Provisions) Regulations 2013 | 2013 No. 630 | reg. 43(3)(a) | Not yet | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 4(2)(c) and word | added | The State Pension Credit (Consequential, Transitional and Miscellaneous Provisions) Regulations 2002 | 2002 No. 3019 | reg. 27(3) | Yes | |
| The Child Support (Maintenance Calculations and Special Cases) Regulations 2000 | 2001 No. 155 | reg. 4(2)(d) and word | added | The Employment and Support Allowance (Consequential Provisions) (No. 2) Regulations 2008 | 2008 No. 1554 | reg. 61(3)(b) | Not yet | |