| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 1 | coming into force | Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 1(2) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 2 | coming into force | Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 1(2) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 3 | coming into force | Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 1(2) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 3(3) | words inserted | Deddf y Gymraeg ac Addysg (Cymru) 2025 | 2025 asc 2 | s. 45(2) | Not yet | |
| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 3(4) | words substituted | Deddf Addysg Drydyddol ac Ymchwil (Cymru) 2022 | 2022 asc 1 | Sch. 4 para. 40(2) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 3(5) | inserted | Rheoliadau Rheoliadau Safonau’r Gymraeg (Rhif 1, Rhif 2, Rhif 4, Rhif 6 a Rhif 7) (Diwygio) 2025 | 2025 No. 339 | reg. 5 | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | Sch. 1 Pt. 1 | coming into force | Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 1(2) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | Sch. 1 Pt. 2 | coming into force | Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 1(2) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | Sch. 1 Pt. 3 | coming into force | Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 1(2) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | Sch. 2 Pt. 1 | coming into force | Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 1(2) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | Sch. 2 Pt. 2 | coming into force | Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 1(2) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | Sch. 3 Pt. 1 | coming into force | Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 1(2) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | Sch. 3 Pt. 2 | coming into force | Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 1(2) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | Sch. 3 Pt. 3 | coming into force | Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 1(2) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | Sch. 4 Pt. 1 | coming into force | Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 1(2) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | Sch. 4 Pt. 2 | coming into force | Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 1(2) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | Sch. 5 Pt. 1 | coming into force | Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 1(2) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | Sch. 5 Pt. 2 | coming into force | Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 1(2) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | Sch. 5 Pt. 3 | coming into force | Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 1(2) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | Sch. 5 Pt. 4 | coming into force | Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 1(2) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | Sch. 5 Pt. 5 | coming into force | Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 1(2) | Not yet made to Welsh language versionApplied to English language version | |
| Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | Sch. 5 Pt. 6 | coming into force | Rheoliadau Safonau’r Gymraeg (Rhif 6) 2017 | 2017 No. 90 | reg. 1(2) | Not yet made to Welsh language versionApplied to English language version | |