In the UK context, the fiscal union underpins the wider social and economic union and the decentralisation of fiscal powers should not weaken the fiscal equalisation within the union.
Yng nghyd-destun y DU, mae’r undeb gyllidol yn sail i’r undeb gymdeithasol ac economaidd ehangach ac ni ddylai datganoli pwerau cyllidol wanhau’r cydraddoli cyllidol o fewn yr undeb.