Iowa Code Title XI. Natural Resources [Chs. 455-485] § 468.556. Redemption from tax sale

In case any land within such drainage district shall have been sold at tax sale for failure of the owner thereof to pay any drainage assessments levied thereon, and before any tax deed has been issued, then on application of the owner of such land, the board of supervisors may effect a redemption thereof for such owner out of the proceeds of any refunding bond issue and add the cost of such redemption to the amount of the unpaid assessments against such land, payment thereof to be extended in manner and as a part of the remaining unpaid assessments thereon.