Rhan bwysig o'r gwaith hwnnw fydd cryfhau a normaleiddio'r trefniadau ffurfiol i weinidogion gwrdd i drafod heriau gadael yr UE. Mae'r cyfarfodydd pedairochrol a gafwyd ag adrannau busnes, ynni a strategaeth ddiwydiannol Llywodraeth y DU ac ag Adran yr Amgylchedd, Ffermio a Materion Gwledig am ynni a'r hinsawdd eisoes wedi profi mor bwysig yw trafodaethau rhwng gweinidogion i osod y sylfeini ar gyfer gweithio ar y cyd.
A key part of this work is to strengthen and normalise structured ministerial engagement on EU Exit related challenges. The key role ministerial interactions play in providing the necessary foundations for joint working has already been demonstrated by the quadrilateral meetings held on energy and climate with the UK Government departments of Business, Energy and Industrial Strategy, and Environment, Farming and Rural Affairs respectively.