Kan. Stat. § 12-11a09
For the purpose of paying the cost of providing special law enforcement services under the provisions of K.S.A. 12-11a06 under contract or in the establishment of a joint department with such township, the governing body of the city is hereby authorized to levy a tax of not to exceed two mills upon all taxable tangible property within such city to pay the cost thereof and to pay a portion of the principal and interest on bonds issued by such city under the authority of K.S.A. 12-1774, and amendments thereto, except that no levy shall be made under the provisions of this section without the question of levying the same having been submitted to and been approved by a majority of the electors of the city voting at an election called and held for such purpose. All such elections shall be noticed, called and held in the manner provided for the giving of notice, calling and holding of elections upon the question of the issuance of bonds under the general bond law.
K.S.A. 12-11a09