Kan. Stat. § 19-3617
The governing body may provide for the furnishing of fire protection services or may contract with any other fire district, city or township or private entity within the vicinity of the fire district, for the purpose of furnishing fire protection service to the residents of such district.
Where such fire district does enter into a contract with any other fire district, city or township or private entity within the vicinity of the fire district for furnishing fire protection service to the residents of such district, the fire district governing board shall have the power to levy a tax not to exceed 8.5 mills upon the dollar of the assessed valuation of all taxable, tangible property in the district, for the purpose of carrying out the provisions of the contract. Such tax levy shall be in addition to all other tax levies authorized or limited by law except that no other levies for fire department purposes shall be made on such property.
K.S.A. 19-3617