If the special assessments to be levied by any municipality for any local improvement or improvements are divided into installments pursuant to the provisions of chapter 9-43 , the governing body of the municipality, in lieu of issuing assessment certificates or bonds as provided in chapter 9-43 , may issue municipal improvement bonds. Source: SL 1947, ch 219 , § 1; SDC Supp 1960, § 45.21A01; SL 1984, ch 43 , § 85.