xmlns:atom="http://www.w3.org/2005/Atom"
2. Yn rheoliad 3 o Reoliadau Diogelu Iechyd (Cyfyngiadau Coronafeirws) (Rhif 5) (Cymru) 2020(1), yn lle “9 Mai 2022” rhodder “30 Mai 2022”.
O.S. 2020/1609 (Cy. 335) fel y’i diwygiwyd gan O.S. 2020/1610 (Cy. 336), O.S. 2020/1623 (Cy. 340), O.S. 2020/1645 (Cy. 345), O.S. 2021/20 (Cy. 7), O.S. 2021/46 (Cy. 10), O.S. 2021/57 (Cy. 13), O.S. 2021/66 (Cy. 15), O.S. 2021/95 (Cy. 26), O.S. 2021/103 (Cy. 28), O.S. 2021/172 (Cy. 40), O.S. 2021/210 (Cy. 52), O.S. 2021/307 (Cy. 79), O.S. 2021/413 (Cy. 133), O.S. 2021/502 (Cy. 150), O.S. 2021/542 (Cy. 154), O.S. 2021/583 (Cy. 160), O.S. 2021/668 (Cy. 169), O.S. 2021/686 (Cy. 172), O.S. 2021/722 (Cy. 183), O.S. 2021/862 (Cy. 201), O.S. 2021/925 (Cy. 210), O.S. 2021/970 (Cy. 228), O.S. 2021/1119 (Cy. 271), O.S. 2021/1131 (Cy. 274), O.S. 2021/1212 (Cy. 303), O.S. 2021/1304 (Cy. 334), O.S. 2021/1363 (Cy. 358), O.S. 2021/1407 (Cy. 366), O.S. 2021/1468 (Cy. 376), O.S. 2021/1477 (Cy. 379), O.S. 2021/1485 (Cy. 386), O.S. 2021/1490 (Cy. 390), O.S. 2022/39 (Cy. 16), O.S. 2022/55 (Cy. 21), O.S. 2022/75 (Cy. 27), O.S. 2022/83 (Cy. 29), O.S. 2022/142 (Cy. 45), O.S. 2022/180 (Cy. 59), O.S. 2022/378 (Cy. 95), O.S. 2022/388 (Cy. 97) ac O.S. 2022/450 (Cy. 109).