The treasurer shall sell the certificates in accordance with chapter 75, or if unable to sell the certificates for par plus accrued interest, the treasurer may apply the certificates at par plus accrued interest in payment of any warrants duly authorized and issued for secondary road work.
Iowa Code § 309.52
83 Acts, ch 123, §110, 209
Referred to in §331.402, 331.429, 331.478, 331.552