Students are only entitled to receive the cancellation once even where the amount of cancellation was £0 due to them paying their outstanding debt in full.
Dim ond unwaith y gall myfyriwr gael swm wedi'i ddileu, hyd yn oed os mai £0 oedd y swm hwnnw am ei fod wedi talu'r ddyled a oedd yn weddill yn llawn.