The board of county commissioners in any county having an election commissioner, is hereby authorized to make a tax levy in each year, in such amount as may be necessary in order to provide the necessary fund for the payment of the salaries and expenses of the office of the election commissioner and of election expenses as provided for in Kan. Stat. Ann. §§ 19-3435 and to pay a portion of the principal and interest on bonds issued under the authority of Kan. Stat. Ann. § 12-1774, and amendments thereto, by cities located in the county. Said tax levy shall be in addition to all other tax levies authorized or limited by law and shall not be subject to nor within the aggregate tax levy limit prescribed by Kan. Stat. Ann. § 79-1947, or acts amendatory thereof.