Welsh Ministers make first appointment of CEO and required to approve T&Cs of that and subsequent appointees.
Mae'n ofynnol i Weinidogion Cymru roi cydsyniad i Weinidog y Goron wneud y Rheoliadau Cychwyn hyn i bennu'r dyddiad dod i rym, gorchmynion cychwyn a threfniadau trosiannol.