This includes working with UK Government departments on non-devolved matters, such as national security, to ensure Wales’ interests are heard and considered.
Mae hyn yn cynnwys gweithio gydag adrannau Llywodraeth y Deyrnas Unedig ar faterion heb eu datganoli, fel diogelwch gwladol, i sicrhau bod buddiannau Cymru’n cael eu clywed a’u hystyried.