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Cewch. Gallwch wirio faint o TAW sy'n ddyledus gennych a'r taliadau rydych wedi'u gwneud ar eich tudalen 'Ar gip' yn y gwasanaeth TAW Ar-lein. Gallwch fwrw golwg ar y manylion ar gyfer 15 mis diwethaf y:
ffurflenni TAW
cosbau
llog
gordaliadau
gweddill a ddygwyd ymlaen
addasiadau