5 U.S. Code § 8127
5 U.S. Code § 8127 is about Representation; attorneys’ fees. It is under Subchapter I (Generally) of Chapter 81 (Compensation For Work Injuries) of Subpart G (Insurance And Annuities) of Part III (Employees) of Title 5 (Government Organizations and Employees) of the Code.
(a) A claimant may authorize an individual to represent him in any proceeding under this subchapter before the Secretary of Labor.
(b) A claim for legal or other services furnished in respect to a case, claim, or award for compensation under this subchapter is valid only if approved by the Secretary.