The constitution must be clear as to how decisions are taken, who takes them, which decisions are delegated and to whom and how the decision to delegate is made.
Rhaid i’r cyfansoddiad nodi’n glir sut y gwneir penderfyniadau, pwy sy’n eu gwneud, pa benderfyniadau sy’n cael eu dirprwyo ac i bwy, a sut y mae’r penderfyniad i ddirprwyo yn cael ei wneud.