Mae'r gwaith i ddatblygu System Budd-daliadau Cymru, gan gynnwys datblygu'r Siarter, yn gysylltiedig ag ymrwymiadau yng Nghytundeb Cydweithio Llywodraeth Cymru gyda Phlaid Cymru.
The work to develop a Welsh Benefits System, including the development of the Charter, are linked to commitments in the Welsh Government’s Co-operation Agreement with Plaid Cymru.