"Rydyn ni wedi ceisio trafod gyda Llywodraeth y Deyrnas Unedig sawl gwaith, ac wedi cyflwyno cynigion adeiladol ynghylch ffyrdd o sicrhau Brexit sy'n anrhydeddu canlyniad y refferendwm, diogelu'r economi a pharchu datganoli.
“We have repeatedly tried to engage with the UK government and have put forward constructive proposals about how we can deliver a Brexit which honours the result of the referendum, safeguards the economy and respects devolution.