All amounts derived from special assessments for all local improvements shall be receipted into the account of the municipality. The proceeds of the sale of bonds issued pursuant to § 9-43-114 shall be placed into a fund and may be used only for the payment of the cost of the improvements. No moneys may be transferred out of the fund until all obligations that are charged against it have been discharged. Thereafter the governing body may transfer any unexpended and unobligated balance to the general fund.
SDCL 9-43-115