Sec. 51.446.  DEPOSIT OF BONDS TO SECURE INTERIM BONDS.  (a)  As the interim bonds are issued and sold, the board, by order, shall deposit bonds of the district which have been validated by a court or approved by the attorney general and registered by the comptroller as provided in Section 51.417 of this code in the district depository.
(b)  The bonds deposited shall be credited to the interest and sinking fund account created to pay the interim bonds.
(c)  The principal amount of the bonds deposited shall total at least 110 percent of the principal sum of the series of interim bonds which the bonds are deposited to secure.
(d)  The interest rate on the interim bonds may not be more than the interest rate on the bonds deposited to secure them.
Acts 1971, 62nd Leg., p. 346, ch. 58, Sec. 1, eff. Aug. 30, 1971.