Where the original contract was awarded under Direct Award Process 1 and the modification does not materially alter the character of the contract, then the modification is permitted.
Pan fo’r contract gwreiddiol wedi’i ddyfarnu o dan broses dyfarniad uniongyrchol 1 ac nad yw’r addasiad yn newid cymeriad y contract yn sylweddol, caniateir yr addasiad.