Or, if they are in serious rent arrears (arrears of two months or more) a landlord may serve a notice on that ground, which has a 14-day notice period.
Neu, os oes ganddo ddyledion rhent difrifol (dyledion o ddeufis neu fwy), caiff landlord roi hysbysiad ar y sail honno, gyda chyfnod hysbysu o 14 diwrnod.