SDCL § 9-44-11: Assessments, taxes, and revenues paid into improvement fund--Use of fund--Unexpended balance.

Into the fund of the improvement financed by municipal improvement bonds shall be paid all assessments and taxes levied on account of the improvement and any net revenues appropriated for the payment of the bonds as provided in this chapter. Moneys in said fund shall be used for no purpose other than the payment of the principal of and interest on said bonds as the same shall become due. After the payment of all principal and interest the governing body may transfer any unexpended balance in said fund to the general fund of the municipality.