It is, therefore, necessary to ensure that any interactions with eligibility for other reliefs which may result from a rateable value change do not penalise the ratepayer.
Felly, mae angen sicrhau na fydd unrhyw ryngweithio â chymhwystra i gael rhyddhadau eraill a allai ddeillio o newid mewn gwerth ardrethol yn cosbi'r talwr ardrethi.