Sentence:  Written evidence that the claimant and any such attorney have agreed to the amount of the attorney 's fees shall be conclusive upon the Commission : Provided , however , That the total amount of the fees so <WSD>agreed</WSD> upon does not exceed 10 per centum of the total amount paid pursuant to the award . 
Meaning of the word marked with <WSD> tags:  constituted or contracted by stipulation or agreement