28 U.S.C. § 1931: Disposition of filing fees

(a) Of the amounts paid to the clerk of court as a fee under section 1914(a) or as part of a judgment for costs under section 2412(a)(2) of this title, $190 shall be deposited into a special fund of the Treasury to be available to offset funds appropriated for the operation and maintenance of the courts of the United States. (b) If the court authorizes a fee under section 1914(a) or an amount included in a judgment for costs under section 2412(a)(2) of this title of less than $250, the entire fee or amount, up to $190, shall be deposited into the special fund provided in this section.