| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 3(1) | word substituted | Rheoliadau Deddf Anghenion Dysgu Ychwanegol a’r Tribiwnlys Addysg (Cymru) 2018 (Diwygiadau Canlyniadol) (Rhif 2) 2021 | 2021 No. 933 | reg. 5(2) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 3(1) | words omitted | Rheoliadau Deddf Cwricwlwm ac Asesu (Cymru) 2021 (Diwygiadau Canlyniadol) (Is-ddeddfwriaeth) (Rhif 1) 2022 | 2022 No. 666 | reg. 10(3)(a) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 3(1) | words inserted | Rheoliadau Deddf Cwricwlwm ac Asesu (Cymru) 2021 (Diwygiadau Canlyniadol) (Is-ddeddfwriaeth) (Rhif 1) 2022 | 2022 No. 666 | reg. 10(3)(b) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 3(1) | words inserted | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) 2022 | 2022 No. 1058 | reg. 3(a) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 3(1) | words inserted | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) 2022 | 2022 No. 1058 | reg. 3(b) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 3(1) | words inserted | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) 2022 | 2022 No. 1058 | reg. 3(c)(i) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 3(1) | words inserted | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) 2022 | 2022 No. 1058 | reg. 3(c)(ii) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 3(1) | words inserted | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) 2022 | 2022 No. 1058 | reg. 3(d) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 3(2)(b) | words inserted (temp.) | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) (Coronafeirws) 2020 | 2020 No. 623 | reg. 6 | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 5(1)(a) | word omitted | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) 2022 | 2022 No. 1058 | reg. 4(a)(i) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 5(1)(a) | words inserted | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) 2022 | 2022 No. 1058 | reg. 4(a)(ii) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 5(1)(b) | omitted | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) 2022 | 2022 No. 1058 | reg. 4(b) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 6A 6B | inserted | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) 2022 | 2022 No. 1058 | reg. 5 | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 7(2)(b) and word | omitted | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) 2022 | 2022 No. 1058 | reg. 6 | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 7(3)(a) | substituted | Rheoliadau Deddf Cwricwlwm ac Asesu (Cymru) 2021 (Diwygiadau Canlyniadol) (Is-ddeddfwriaeth) (Rhif 1) 2022 | 2022 No. 666 | reg. 10(4)(a) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 7(3)(b) | substituted | Rheoliadau Deddf Cwricwlwm ac Asesu (Cymru) 2021 (Diwygiadau Canlyniadol) (Is-ddeddfwriaeth) (Rhif 1) 2022 | 2022 No. 666 | reg. 10(4)(b) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 7A | inserted (temp.) | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) (Coronafeirws) 2020 | 2020 No. 623 | reg. 7 | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 8(1) | words inserted (temp.) | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) (Coronafeirws) 2020 | 2020 No. 623 | reg. 8(a) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 8(1) | words substituted | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) 2022 | 2022 No. 1058 | reg. 7(a) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 8(3)(d) | word omitted | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) 2022 | 2022 No. 1058 | reg. 7(b)(i) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 8(3)(e) | word substituted for full stop | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) 2022 | 2022 No. 1058 | reg. 7(b)(ii) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 8(3)(f) | inserted (temp.) | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) (Coronafeirws) 2020 | 2020 No. 623 | reg. 8(b) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 8(3)(f) | inserted | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) 2022 | 2022 No. 1058 | reg. 7(b)(iii) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 8(4)(b) | words substituted (temp.) | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) (Coronafeirws) 2020 | 2020 No. 623 | reg. 8(c) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 8(4)(b) | words substituted | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) 2022 | 2022 No. 1058 | reg. 7(c) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 8(5)-(7) | inserted (temp.) | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) (Coronafeirws) 2020 | 2020 No. 623 | reg. 8(d) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 8(8) | inserted | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) 2022 | 2022 No. 1058 | reg. 7(d) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 13(1)(c) | inserted (temp.) | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) (Coronafeirws) 2020 | 2020 No. 623 | reg. 9(a) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | reg. 13(4) | word substituted | Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) (Diwygio) 2022 | 2022 No. 1058 | reg. 8 | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | Sch. 2 para. 8 | substituted | Rheoliadau Cymwysterau Athrawon (Diwygio) (Cymru) (Ymadael â’r UE) 2019 | 2019 No. 444 | reg. 6(2) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Addysg (Trefniadau Sefydlu ar gyfer Athrawon Ysgol) (Cymru) 2015 | 2015 No. 484 | Sch. 2 para. 8 | words substituted | Rheoliadau Cydnabod Cymwysterau Proffesiynol a Gweithredu Cytundebau Cydnabod Rhyngwladol (Cymru) (Diwygio etc.) 2023 | 2023 No. 1294 | Sch. 3 para. 2(2) | Not yet made to Welsh language versionApplied to English language version | |