Dyma’r cam cyntaf wrth ddatblygu ymrwymiadau’r Rhaglen Lywodraethu a Chytundeb Cydweithio Plaid Cymru i wneud y dreth gyngor yn fwy teg.
The move is the first step in progressing the Programme for Government and Plaid Cymru Co-operation Agreement commitments to make Council Tax fairer.