If you have been diagnosed as SMI by a doctor and you live with one adult who is eligible to pay council tax, your household will receive a 25% reduction.
Os ydych wedi cael diagnosis o NMD gan feddyg a'ch bod yn byw gydag un oedolyn sy'n gymwys i dalu’r Dreth Gyngor, bydd eich cartref yn cael gostyngiad o 25%.