Section 61.233 - Requisites of Bonds(a) All bonds issued under the provisions of this subchapter shall be issued in the name of the district, signed by the county judge, and attested by the county clerk under the seal of the commissioners court.(b) The bonds shall be issued in such denominations and payable at such time or times, not more than 40 years from their date, as the commissioners court considers expedient.(c) All provisions of Chapter 57 of this code governing the approval, registration, and validity of bonds of levee improvement districts shall apply to bonds issued under this subchapter.(d) The commissioners court or the board shall require a record to be kept of the bonds by the district treasurer the same as for bonds of levee improvement districts. Acts 1971, 62nd Leg., p. 110, ch. 58, Sec. 1, eff. 8/30/1971.