It is essential, in order to maintain the integrity of the UPN system, that the transfer of UPNs with pupils from school to school is as complete and accurate as possible.
Er mwyn cynnal uniondeb y system RhUD, mae'n hanfodol bod y broses o drosglwyddo RhUDau gyda disgyblion o ysgol i ysgol mor gyflawn ac mor gywir â phosibl.