(2) The bonds shall bear interest at a rate determined by the board of directors, payable semiannually on the first day of January and July of each year. The principal and interest shall be payable at the places designated in the bonds and coupons. The bonds shall be signed by the president and secretary. Coupons for interest shall be attached to each bond, and may be signed with the printed, lithographed or engraved facsimile signature of the secretary.
(3) The secretary of the district shall register the bonds in books kept in the office of the secretary for that purpose, and therein must be stated the number, date, amount of bond, time and place of payment, rate of interest, number of coupons attached, and any other description proper for future identification of each bond. This section shall not be construed to provide that any bond of the district shall bear a registration certificate by the secretary. [1965 c.623 §20; 1969 c.691 §10; 1991 c.459 §431d]