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 SMI gan feddyg, ac yn byw ar eich pen eich hun neu dim ond gyda phobl eraill sydd â SMI, byddwch yn cael eich eithrio rhag talu’r Dreth Gyngor.