Mae pryderon difrifol gan Weinidogion Cymru am Fil Llywodraeth y DU i Ymadael â'r UE sydd, fel y mae wedi'i ddrafftio ar hyn o bryd, yn caniatáu i Lywodraeth y DU gymryd rheolaeth dros feysydd polisi datganoledig fel ffermio a physgota ar ôl i'r DU ymadael â'r UE.
Welsh Ministers have serious concerns about the UK government’s EU Withdrawal Bill, which, as currently drafted, allows the UK government to take control of devolved policy areas, such as farming and fishing, once the UK has left the EU.