When a Contract naturally ends – A Contract Termination Notice must be placed by CPU in Sell 2 Wales within 30 days of termination.
Pan ddaw Contract i ben yn naturiol – Rhaid i'r Uned Caffael Corfforaethol gyhoeddi Hysbysiad Terfynu Contract ar GwerthwchiGymru o fewn 30 diwrnod o'i derfynu.