“Bydd y negodiadau hyn yn cael effaith sylweddol a pharhaol ar bobl, cymunedau a busnesau ledled y Deyrnas Unedig, ac mae gan y Llywodraethau Datganoledig gyfrifoldeb neilltuol dros sicrhau bod buddiannau'r Alban, Cymru a Gogledd Iwerddon yn cael eu diogelu a'u hyrwyddo.
“These negotiations will have significant and long-lasting impacts on people, communities and businesses and the Devolved Governments have a particular responsibility for ensuring the interests of Scotland, Wales and Northern Ireland are protected and promoted.