If within 3 years of the transaction for which charities relief was claimed (the relieved transaction), a disqualifying event occurs, then the relief, or an appropriate proportion of it, is withdrawn.
cyn diwedd y cyfnod o dair blynedd sy’n dechrau â’r dyddiad y mae’r trafodiad sydd wedi’i eithrio o dreth yn unol â’r atodlen hon (‘y trafodiad perthnasol’), neu