Rhaid i benderfyniadau am deithio rhyngwladol gael eu gwneud yn wirioneddol ar sail pedair gwlad. Mae’r rhain yn benderfyniadau sy'n effeithio ar bobl sy'n byw ym mhob rhan o'r DU ac ni allwn eu gwneud ar wahân i'n gilydd.
Decisions about international travel must be taken on a true four-nation basis. These are decisions which affect people living in all parts of the UK and we cannot make them in isolation of each other.