If they are unable to resolve the dispute, there is a route of appeal available to the Welsh Language Tribunal, and thereafter to the High Court (on a question of law).
Os nad ydynt yn gallu datrys yr anghydfod, mae yna lwybr apelio ar gael i Dribiwnlys y Gymraeg, ac wedyn i’r Uchel Lys (ar gwestiwn y gyfraith).