SDCL § 9-22-13: Maturity dates of securities in which debt service funds invested.

Moneys in any debt service fund shall be invested only in such of the securities named in § 9-22-12 as will become due and payable on or before the date when the bonds for the payment of which such debt service fund was created become due and payable, except bonds of the United States or of the State of South Dakota.