(b) Any change to the contract will require our written consent which must be obtained from us in advance of implementing any change.
Er mwyn hawlio iawndal o dan Ran 1 o’r Ddeddf, rhaid i fuddiant cymhwyso yn y tir fod wedi ei gaffael cyn i’r newidiadau gael eu cwblhau a’u hagor am y tro cyntaf i draffig cyhoeddus.