California Code
ARTICLE 4 - Refunding Bonds
Section 29217.

29217. If the earliest maturity of the refunding bonds is more than one year after the date of issuance, the board shall levy and collect annually a tax sufficient to pay the interest as it falls due and to constitute a sinking fund for payment of the principal on or before maturity.

(Added by Stats. 1957, Ch. 1056.)