K.S.A. 19-2727

When the board of county commissioners shall have ordered any lighting to be done under the provisions of this act it may enter into a contract specifying the terms thereof for such lighting with stipulations to pay for the same at a rate to be agreed upon, payable semiannually on the 15 th of January and July of each year, but the board of county commissioners shall not have power to purchase or own any plant, or any of the poles, wires, lights or equipment used in furnishing the said light. The county involved shall not be liable on the said contract for any amount over and above the amount actually collected on the special assessments hereinafter provided for, but shall be liable to pay the said assessments, interest and penalties thereon to the contractor entitled thereto promptly as collected.