It sets out clearly those policies that are pursued jointly by the UK Government and devolved Governments and those separate policies applicable in any of the four nations.
Mae’n nodi’n glir y polisïau hynny sy’n cael eu dilyn ar y cyd gan Lywodraeth y DU a’r Llywodraethau datganoledig a’r polisïau ar wahân hynny sy’n gymwys yn unrhyw un o’r pedair gwlad.