Section 75 ILCS 16/40-35 - Filing of documents; levy and collection of special tax(a) Upon the voters' approval of a bond issue or a special tax supporting an annual certification or a mortgage, the secretary shall file certified copies of each ordinance, and of the certificate of results of the canvass of the referendum on the question of the bond issue or on the question of the special tax for annual certification or the mortgage, with the county clerk of each county affected by the ordinance and election results. The secretary shall also certify under his or her signature and the seal of the district, and file with each county clerk, other information required by a county clerk to determine the total amount of taxes to be extended, along with collection loss and costs, upon the taxable property within his or her county.(b) The special tax supporting a bond issue, and the special tax supporting an annual certification or a mortgage, shall be levied, extended, and collected each year, as in the case of other library taxes, until the debt involved has been paid and retired. The special taxes shall not be included separately or together in the aggregate of tax levies otherwise limited by law and shall be in addition to other taxes authorized by law. The special taxes shall not affect any appropriation made or to be made for the maintenance and support of the library or libraries operated by the board.