Felly, bydd y gwelliannau perthnasol yn berthnasol i Gymru a'r Alban ac, fel y cyfryw, bydd angen i'r darpariaethau ddod i rym ar gyfer pob un ohonynt ar unwaith, o dan gydlyniad gofalus rhwng pawb sy'n cymryd rhan.
So, the relevant amendments will apply to both Wales and Scotland and, as such, the provisions will need to come into force for all of them at once, under careful co-ordination between all involved.
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