If you have been diagnosed as SMI by a doctor and you are living alone or only with others who are SMI, you will be exempt from paying Council Tax.
Os ydych wedi cael diagnosis o NMD gan feddyg a'ch bod yn byw ar eich pen eich hun neu ddim ond gydag eraill sydd ag NMD, byddwch yn cael eich eithrio rhag talu’r Dreth Gyngor.