28 CFR §301.304

1. (a)Any person may represent the claimant's interest in any proceeding for determination of a claim under this part, so long as that person is not confined in any federal, state or local correctional facility. Written appointment of a representative, signed by the claimant, must be submitted before the representative's authority to act on behalf of the claimant may be acknowledged.
2. (b)It is not necessary that a claimant employ an attorney or other person to assert a claim or effect collection of an award. Under no circumstances will the assignment of any award be recognized, nor will attorney fees be paid by Federal Prison Industries, Inc.