Once you are issued an Order for Recovery (TE3) and an In Time Witness Statement (TE9), you can only dispute the charge on limited grounds.
Ar ôl i chi gael Gorchymyn Adfer (TE3) a Datganiad Tystion Prydlon (TE9), dim ond am resymau cyfyngedig y gallwch wrthwynebu'r cyhuddiad.