Section 78 of the Act implies a right to terminate in these circumstances into each public contract, and section 48 of the Act provides for the same in relation to each framework.
Mae adran 78 o'r Ddeddf yn awgrymu bod hawl i derfynu o dan yr amgylchiadau hyn ym mhob contract cyhoeddus, ac mae adran 48 o'r Ddeddf yn darparu ar gyfer yr un hawl mewn perthynas â phob fframwaith.