31-340.Bonds and interest; annual tax levy to pay at maturity.It shall be the duty of the board of supervisors in making the annual tax levy as provided in section 31-333, to take into account the maturing bonds and interest on all bonds, and make ample provisions in advance for the payment thereof.SourceLaws 1907, c. 152, § 4, p. 472; Laws 1909, c. 147, § 10, p. 522; R.S.1913, § 1835; C.S.1922, § 1782; C.S.1929, § 31-439; R.S.1943, § 31-340.