28 U.S.C. § 1918: District courts; fines, forfeitures and criminal proceedings

(a) Costs shall be included in any judgment, order, or decree rendered against any person for the violation of an Act of Congress in which a civil fine or forfeiture of property is provided for. (b) Whenever any conviction for any offense not capital is obtained in a district court, the court may order that the defendant pay the costs of prosecution.