Iowa Code § 446.24: Record of sales.

The county treasurer or a designee shall attend all tax sales and keep a record in the county system of the sales, describing each parcel on which the total amount due was paid by the purchaser, as they are described in the copy of the notice on file in the treasurer’s office. The county system shall include a statement of the amount, kind of tax, interest, fees, and costs for each parcel, to whom sold, and the date of sale.