(70 ILCS 910/18) (from Ch. 23, par. 1268)

Sec. 18.

The Board shall provide for the proper and safe keeping of its
permanent records and for the recording of the corporate action of the
District. It shall keep a true and accurate account of its receipts and an
annual audit shall be made of its books, records and accounts. All officers
and employees authorized to receive or retain the custody of money or to
sign vouchers, checks, warrants or evidences of indebtedness binding upon
the District shall furnish surety bond for the faithful performance of
their duties and the faithful accounting for all moneys that may come into
their hands in an amount to be fixed and in a form to be approved by the
board.

(Source: Laws 1949, p. 361.)