Mae Rhan 3 y Bil yn cynnwys yr hawl i apelio  i Dribiwnlys Anghenion Addysgol Arbennig Cymru ar gyfer dysgwyr ag anawsterau dysgu hyd at 25 oed, mewn perthynas â dyletswydd awdurdodau lleol i asesu anghenion dysgwyr a’r ddarpariaeth y mae ei hangen i ddiwallu’r anghenion hynny.
Part 3 of the Bill also includes a right of appeal to the SEN Tribunal for Wales for learners with learning difficulties aged up to 25 in relation to the local authorities duty to assess learners’ needs and the provision required to meet those needs.