RECOVERY OF ADMINISTRATIVE COSTS.

(a) The board may charge a recipient of financial assistance from the revolving fund or an additional state revolving fund an origination fee and an annual fee. The board by rule shall set the fees at amounts it considers necessary to recover the costs incurred by the board in administering the revolving fund or an additional state revolving fund that are not paid from that fund.

(b) The board may establish one or more operating funds to finance the administration of the revolving fund or an additional state revolving fund. An operating fund must be held outside the state treasury and separate from the fund to which it relates. The board shall deposit to the credit of the appropriate operating fund the fees collected under Subsection (a). The board shall use money deposited to the credit of an operating fund to pay the board's costs of administering the revolving fund or additional state revolving fund to which the operating fund relates, including the cost of servicing debt obligations of recipients of financial assistance made available from the revolving fund or additional state revolving fund.

(c) The board may not transfer money in the revolving fund or an additional state revolving fund to an operating fund, but the board may transfer money in an operating fund to the revolving fund or additional state revolving fund to which the operating fund relates.

(d) Money in an operating fund shall be invested in authorized investments as provided by board order, resolution, or rule.

(e) The board may agree with the holder of a bond the proceeds of which will be deposited in the revolving fund or an additional state revolving fund that the board will use money in an operating fund only as provided by this section.