The delineation between both roles has proved challenging and part one of the review of PCCs by the Home Office sought to clarify this relationship.
Mae tynnu’r ffin rhwng y ddwy rôl wedi bod yn heriol a cheisiodd rhan un o'r adolygiad o Gomisiynwyr Heddlu a Throseddu (PCCs) gan y Swyddfa Gartref egluro'r berthynas hon.