Er mwyn manteisio i'r eithaf ar swm y cymorth y gellir ei ddarparu ac i sicrhau y  caiff ei dargedu at yr ardaloedd a’r busnesau hynny y mae’r ailbrisiad wedi effeithio arnynt bydd dwy haen o ryddhad.
To maximise the amount of support which can be provided and to ensure it is targeted at those areas and businesses affected by the revaluation, there will be two tiers of relief.