Every municipality shall have the power to invest any urban renewal funds held in reserves or debt service funds or any such funds not required for immediate disbursement, in property or securities in which savings banks may legally invest funds subject to their control; to redeem such bonds as have been issued pursuant to § 11-8-66 at the redemption price established therein or to purchase such bonds at less than redemption price, all such bonds so redeemed or purchased to be canceled.
SDCL 11-8-31