Code of Federal Regulations Title 43. Public Lands:  Interior § 43.4.1292 Contents of petition

(1) An affidavit setting forth in detail all costs and expenses including attorneys' fees reasonably incurred for, or in connection with, the person's participation in the proceeding;

(2) Receipts or other evidence of such costs and expenses;  and

(3) Where attorneys' fees are claimed, evidence concerning the hours expended on the case, the customary commercial rate of payment for such services in the area, and the experience, reputation and ability of the individual or individuals performing the services.