| Sex Discrimination (Northern Ireland) Order 1976 | 1976 No. 1042 | art. 21(3)(ca) | omitted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 14(2)(a) | Yes | |
| Sex Discrimination (Northern Ireland) Order 1976 | 1976 No. 1042 | art. 21(3)(cb) | omitted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 14(2)(a) | Yes | |
| Sex Discrimination (Northern Ireland) Order 1976 | 1976 No. 1042 | art. 35A | omitted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 14(2)(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 2(2) | words inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 4(2) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 7(3) | word substituted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 9(3)(a) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 7(7) | inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 9(3)(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 9 | words omitted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 3(1) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 9A | inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 4(3) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 10(1A)-(1D) | inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 5(2) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 10(2)(b) | omitted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 6(2) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 10(2A)(2B) | inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 6(3) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 10(3) | word substituted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 6(4) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 10(3A) | inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 6(5) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 11(3) | words substituted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 5(3) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 11(3A)(3B) | inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 5(4) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 12(1)(c) | words inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 7(2)(a) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 12(1)(ca) | inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 7(2)(b) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 12(4) | inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 7(3) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 13(2A) | inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 7(4) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 14(1A) | inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 8(2) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 14(2A)-(2D) | inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 8(3) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 15(2)(b) | words inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 6(6) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 15(3)-(5) | inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 9(2) | Yes | |
| The Marriage (Northern Ireland) Order 2003 | 2003 No. 413 | art. 17A | inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 11 | Yes | |
| The Marriage Regulations (Northern Ireland) 2003 | 2003 No. 468 | reg. 6(4) | words inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 9(4) | Not yet | |
| The Marriage Regulations (Northern Ireland) 2003 | 2003 No. 468 | Sch. 1 para. 32(ii) | words substituted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 15(a) | Not yet | |
| The Marriage Regulations (Northern Ireland) 2003 | 2003 No. 468 | Sch. 1 Note | words inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 15(b) | Not yet | |
| Civil Partnership Act 2004 | 2004 c. 33 | s. 204A | inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 12 | Yes | |
| The Regulation and Improvement Authority (Registration) Regulations (Northern Ireland) 2005 | 2005 No. 99 | reg. 2(1) | words inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 16(1)(a) | Yes | |
| The Regulation and Improvement Authority (Registration) Regulations (Northern Ireland) 2005 | 2005 No. 99 | reg. 2(1) | words substituted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 16(1)(b) | Yes | |
| The Equality Act (Sexual Orientation) Regulations (Northern Ireland) 2006 | 2006 No. 439 | reg. 16(5)(ba) | inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 14(1)(a) | Yes | |
| The Equality Act (Sexual Orientation) Regulations (Northern Ireland) 2006 | 2006 No. 439 | reg. 16(5A)(a) | words substituted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 14(1)(b) | Yes | |
| Marriage (Same Sex Couples) Act 2013 | 2013 c. 30 | s. 2(1)-(4) | extended | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 13(1) | Yes | |
| Marriage (Same Sex Couples) Act 2013 | 2013 c. 30 | s. 20(3)(za) | inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 13(2) | Yes | |
| The Overseas Marriage (Armed Forces) Order 2014 | 2014 No. 1108 | art. 1(2) | omitted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 10(2)(a) | Yes | |
| The Overseas Marriage (Armed Forces) Order 2014 | 2014 No. 1108 | art. 6(3A) | omitted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 3(2) | Yes | |
| The Overseas Marriage (Armed Forces) Order 2014 | 2014 No. 1108 | art. 12 | extended (Northern Ireland) | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 10(1) | Yes | |
| The Marriage (Same-sex Couples) and Civil Partnership (Opposite-sex Couples) (Northern Ireland) Regulations 2019 | 2019 No. 1514 | reg. 3(2) | omitted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 3(3) | Yes | |
| The Marriage (Same-sex Couples) and Civil Partnership (Opposite-sex Couples) (Northern Ireland) Regulations 2019 | 2019 No. 1514 | reg. 14(1) | words inserted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 10(2)(b)(i) | Yes | |
| The Marriage (Same-sex Couples) and Civil Partnership (Opposite-sex Couples) (Northern Ireland) Regulations 2019 | 2019 No. 1514 | reg. 14(2) | omitted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 10(2)(b)(ii) | Yes | |
| The Marriage (Same-sex Couples) and Civil Partnership (Opposite-sex Couples) (Northern Ireland) Regulations 2019 | 2019 No. 1514 | reg. 14(4)(b) | omitted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 3(4) | Yes | |
| The Marriage (Same-sex Couples) and Civil Partnership (Opposite-sex Couples) (Northern Ireland) Regulations 2019 | 2019 No. 1514 | reg. 133 | omitted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 14(3) | Yes | |
| The Marriage (Same-sex Couples) and Civil Partnership (Opposite-sex Couples) (Northern Ireland) Regulations 2019 | 2019 No. 1514 | reg. 159(2)(c) | omitted | The Marriage and Civil Partnership (Northern Ireland) Regulations 2020 | 2020 No. 742 | reg. 16(2) | Yes | |