After 6 April 2016, those earning above the income threshold and who are due to repay will repay 9% of their income above £21,000.
Ar ôl 6 Ebrill 2016, bydd y rheini sy’n ennill mwy na’r trothwy incwm ac y mae’n bryd iddynt ad-dalu, yn ad-dalu 9% o’u hincwm uwchlaw £21,000.