(2) If bonds are authorized, the board of directors shall immediately cause the same to be issued. They shall be in denominations of not less than one hundred dollars and not more than one thousand dollars and shall be in the total amount and in such series and dates of maturities and bear interest as authorized by vote of the landowners. All bonds so issued shall be numbered consecutively beginning with the number one, shall become due in the order of their serial numbers, shall bear interest payable semiannually evidenced by coupons attached thereto bearing the same number as the bonds to which they are attached, and shall be registered with the county treasurer of the county wherein is situated the office of such irrigation district, and it is the duty of the county treasurer to keep a list of such bonds, serially, with the names and addresses of the owners thereof, as furnished him from time to time. Such bonds may contain a provision for redemption upon call, serially, as provided in this article, shall be in such form as prescribed by the board of directors, and shall be signed by the president of the district, attested by the secretary thereof, and countersigned by the district treasurer. Such bonds may be issued and the proceeds of their sale used for the payment of the first two years' interest thereon and for any of the several purposes of this article, except for maintenance, operation, or salaries.

(3) If a contract is proposed to be made with the United States, the question to be submitted to the voters at such special election is whether a contract shall be entered into with the United States. The notice of election shall state the maximum amount of money payable to the United States for construction purposes, exclusive of penalties and interest, and the water rights and other property, if any, to be conveyed to the United States. The ballots for such election shall contain the words "Contract with the United States, Yes" and "Contract with the United States, No", or words equivalent thereto.