All money collected from assessments for laying and constructing sewer, water, and other service connections provided for in this chapter shall be kept in a fund called “sewer and water connections assessment fund”, and warrants shall be drawn on such fund for the payment of the cost of such connections. All sewer and water connections assessment warrants shall be    payable as specified and in such amount as in the judgment of the governing body will be provided by the taxes and assessments. Such warrants shall bear interest at a rate of not more than seven percent per annum and interest shall be payable annually. They may have coupons attached representing each year‘s interest. The warrants shall state on their face the purpose for which they were issued and from what fund they are payable, and shall be signed by the executive officer, countersigned by the city auditor under the seal of the municipality, and shall be in denominations of not to exceed one thousand dollars each. The warrants may be used to make payment on contracts for making the connections or may be sold for cash at not less than par value thereof and the proceeds credited to the special fund and used to pay for such connections. Except as otherwise provided in section 40-26-08, a municipality shall not be liable generally on any contracts for the making of such connections and shall not be required to pay funds raised by general taxation upon any such contract.