Fees that have been subject to an approved tender process can be included at the market rate resulting from that exercise, provided the exercise was not time limited.
Gall ffioedd sydd wedi bod yn destun proses dendro gymeradwy gael eu cynnwys ar sail cyfradd y farchnad a ddeilliodd o'r ymarfer hwnnw, ar yr amod nad oedd terfyn amser i'r ymarfer hwn.