9-22-4. Assignment of delinquent accounts receivable--Disposition of uncollectible accounts. Every municipality may assign for collection any or all delinquent accounts receivable. After reasonable collection efforts the governing body may determine that an account is uncollectible, and by formal action direct that the uncollectible amount be removed from the records and disclosed on that year's financial report. Evidence of the debt removed from the records by the formal action of the governing body shall be retained by the municipality to support possible subsequent collection of that debt.