18 CFR § 1308.22 - Representation.

(a) In any appeal to the Board, a Contractor may be represented by an attorney at law duly licensed by any state, commonwealth, territory, or the District of Columbia. A Contractor not an individual and not wishing to appear by an attorney may be represented by any member, partner, or officer duly authorized to act on Contractor's behalf, or if an individual, may appear personally.

(b) TVA shall be represented by attorneys from its Office of General Counsel.