The Directions are being made under sections 28T & 126(4) of the National Health Services Act 1977 after consulting in accordance with section 28T(4) of the Act.
Mae'r Cyfarwyddiadau'n cael eu gwneud o dan adrannau 28T a 126(4) o Ddeddf y Gwasanaeth Iechyd Gwladol 1977 ar ôl ymgynghori yn unol ag adran 28T(4) o'r Ddeddf.