Yn chweched, ac yn olaf, mae gadael yr UE yn newid cyfansoddiadol enfawr i’r DU ac mae gan hynny oblygiadau yr un mor bellgyrhaeddol i’r setliad datganoli. Rhaid i’r berthynas rhwng y Gweinyddiaethau Datganoledig a Llywodraeth y DU nawr gael ei gosod ar sylfaen gwbl wahanol.
Sixth, and finally, withdrawal from the EU is a massive constitutional shift for the UK and it has equally far-reaching implications for the devolution settlement. The relationship between Devolved Administrations and the UK Government must now be placed onto an entirely different footing.