| The Election Petition Rules 1960 | 1960 No. 543 | Rules | applied (with modifications) | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | art. 88 Sch. 9 | Not yet | |
| Representation of the People Act 1983 | 1983 c. 2 | s. 36C | modified | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 3 para. 3 | Yes | |
| Representation of the People Act 1983 | 1983 c. 2 | s. 59 | applied (with modifications) | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | art. 14 | Yes | |
| Police and Criminal Evidence Act 1984 | 1984 c. 60 | s. 24A | restricted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | art. 30(4) | Yes | |
| Local Government Finance Act 1988 | 1988 c. 41 | s. 65(6) | modified | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | art. 144 | Yes | |
| The Town and Country Planning (Control of Advertisements) Regulations 1992 | 1992 No. 666 | Regulations | applied | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | art. 136 | Yes | |
| Political Parties, Elections and Referendums Act 2000 | 2000 c. 41 | s. 56-60 | applied (with modifications) | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 6 para. 7 | Yes | |
| Political Parties, Elections and Referendums Act 2000 | 2000 c. 41 | s. 61 | applied (with modifications) | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 6 para. 9 | Yes | |
| The Representation of the People (England and Wales) Regulations 2001 | 2001 No. 341 | Pt. 8 | substituted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 11 para. 3 | Yes | |
| The Representation of the People (England and Wales) Regulations 2001 | 2001 No. 341 | reg. 92 | applied in part | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 1 para. 18(10) | Yes | |
| The Representation of the People (England and Wales) Regulations 2001 | 2001 No. 341 | reg. 94 | applied | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 1 para. 19(1) | Yes | |
| The Representation of the People (England and Wales) Regulations 2001 | 2001 No. 341 | reg. 96 | applied | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 1 para. 19(1) | Yes | |
| The National Assembly for Wales (Representation of the People) Order 2007 | 2007 No. 236 | Order | revoked | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 12 para. 1 | Yes | |
| The Representation of the People (National Assembly for Wales) (Access to Election Documents) Regulations 2007 | 2007 No. 1368 | Regulations | revoked | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 12 para. 2 | Not yet | |
| The National Assembly for Wales (Representation of the People) (Amendment) Order 2010 | 2010 No. 2931 | Order | revoked | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 12 para. 3 | Yes | |
| Police Reform and Social Responsibility Act 2011 | 2011 c. 13 | s. 55 | modified | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 4 para. 3 | Yes | |
| The Police and Crime Commissioner Elections Order 2012 | 2012 No. 1917 | art. 2(1) | words omitted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 11 para. 4(2)(a) | Yes | |
| The Police and Crime Commissioner Elections Order 2012 | 2012 No. 1917 | art. 2(1) | words inserted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 11 para. 4(2)(b) | Yes | |
| The Police and Crime Commissioner Elections Order 2012 | 2012 No. 1917 | art. 2(2A) | words substituted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 11 para. 4(3) | Yes | |
| The Police and Crime Commissioner Elections Order 2012 | 2012 No. 1917 | art. 13A | words substituted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 11 para. 4(4) | Yes | |
| The Police and Crime Commissioner Elections Order 2012 | 2012 No. 1917 | Sch. 2 para. 59(2A) | words substituted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 11 para. 4(5) | Yes | |
| The Police and Crime Commissioner Elections Order 2012 | 2012 No. 1917 | Sch. 4 para. 47(1)(a) | words substituted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 11 para. 4(6)(a) | Yes | |
| The Police and Crime Commissioner Elections Order 2012 | 2012 No. 1917 | Sch. 4 para. 47(1)(a) | words substituted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 11 para. 4(6)(b) | Yes | |
| The Police and Crime Commissioner Elections Order 2012 | 2012 No. 1917 | Sch. 4 para. 48 | words substituted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 11 para. 4(7) | Yes | |
| The Police and Crime Commissioner Elections (Functions of Returning Officers) Regulations 2012 | 2012 No. 1918 | reg. 2(1) | words omitted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 11 para. 5(2)(a)(i) | Yes | |
| The Police and Crime Commissioner Elections (Functions of Returning Officers) Regulations 2012 | 2012 No. 1918 | reg. 2(1) | words inserted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 11 para. 5(2)(a)(ii) | Yes | |
| The Police and Crime Commissioner Elections (Functions of Returning Officers) Regulations 2012 | 2012 No. 1918 | reg. 2(3) | words substituted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 11 para. 5(2)(b)(i) | Yes | |
| The Police and Crime Commissioner Elections (Functions of Returning Officers) Regulations 2012 | 2012 No. 1918 | reg. 2(3) | words substituted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 11 para. 5(2)(b)(ii) | Yes | |
| The Police and Crime Commissioner Elections (Functions of Returning Officers) Regulations 2012 | 2012 No. 1918 | reg. 2A heading | word substituted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 11 para. 5(3)(a) | Yes | |
| The Police and Crime Commissioner Elections (Functions of Returning Officers) Regulations 2012 | 2012 No. 1918 | reg. 2A(1) | word substituted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 11 para. 5(3)(b) | Yes | |
| The Police and Crime Commissioner Elections (Functions of Returning Officers) Regulations 2012 | 2012 No. 1918 | reg. 2A(2) | words substituted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 11 para. 5(3)(c) | Yes | |
| The National Assembly for Wales (Representation of the People) (Fresh Signatures for Absent Voters) Order 2013 | 2013 No. 1514 | Order | revoked | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 12 para. 4 | Yes | |
| The National Assembly for Wales (Representation of the People) (Amendment) Order 2016 | 2016 No. 272 | Order | revoked | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 12 para. 5 | Yes | |
| The National Assembly for Wales (Representation of the People) (Amendment) (No. 2) Order 2016 | 2016 No. 292 | Order | revoked | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 12 para. 6 | Yes | |
| The National Assembly for Wales (Returning Officers’ Charges) (Amendment) Order 2017 | 2017 No. 1106 | Order | revoked | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 12 para. 7 | Not yet made to Welsh language versionApplied to English language version | |
| Senedd and Elections (Wales) Act 2020 | 2020 anaw 1 | s. 24(2) | words substituted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 11 para. 1(2)(a) | Yes | |
| Senedd and Elections (Wales) Act 2020 | 2020 anaw 1 | s. 24(2) | words substituted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 11 para. 1(2)(b) | Yes | |
| Senedd and Elections (Wales) Act 2020 | 2020 anaw 1 | s. 27 | omitted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 11 para. 1(3) | Yes | |
| Senedd and Elections (Wales) Act 2020 | 2020 anaw 1 | s. 41 | words omitted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 11 para. 1(4)(a) | Yes | |
| Senedd and Elections (Wales) Act 2020 | 2020 anaw 1 | s. 41 | words inserted | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 11 para. 1(4)(b) | Yes | |
| The Senedd Cymru (Representation of the People) (Amendment) Order 2020 | 2020 No. 1558 | Order | revoked | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 12 para. 8 | Yes | |
| The Candidate Election Expenses (Senedd Elections) Code of Practice 2021 (Appointed Day) Order 2021 | 2021 No. 264 | Order | revoked | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 12 para. 9 | Yes | |
| The Senedd Cymru (Returning Officers’ Charges) Order 2021 | 2021 No. 315 | Order | revoked | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 12 para. 10 | Yes | |
| The Senedd Cymru (Representation of the People) (Amendment) Order 2021 | 2021 No. 335 | Order | revoked | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 12 para. 12 | Yes | |
| The Local Elections (Principal Areas) (Wales) Rules 2021 | 2021 No. 1459 | rule 1 | applied | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 3 para. 22 | Yes | |
| The Local Elections (Principal Areas) (Wales) Rules 2021 | 2021 No. 1459 | rule 3 | applied (with modifications) | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 3 para. 22 23 | Yes | |
| The Local Elections (Principal Areas) (Wales) Rules 2021 | 2021 No. 1459 | rule 4 | applied | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 3 para. 22 | Yes | |
| The Local Elections (Principal Areas) (Wales) Rules 2021 | 2021 No. 1459 | rule 5 | applied in part (with modifications) | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 3 para. 22 24 | Yes | |
| The Local Elections (Principal Areas) (Wales) Rules 2021 | 2021 No. 1459 | Sch. 2 | applied (with modifications) | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 3 para. 22 25 | Yes | |
| The Local Elections (Communities) (Wales) Rules 2021 | 2021 No. 1460 | rule 1 | applied | The Senedd Cymru (Representation of the People) Order 2025 | 2025 No. 864 | Sch. 3 para. 26 | Yes | |