Iowa Code § 629.1: Lienholder’s advancements protected — affidavit filed.

The holder of a sheriff’s sale certificate or junior or senior lien upon real estate after the payment of any delinquency of taxes or special assessment, insurance premiums or money for necessary repairs, maintenance or preservation of the property, interest on a senior lien, or any sum to cure a breach of a condition of a senior encumbrance, may file with the clerk of the district court in the county in which the land is situated, a verified statement of the expenditures and their dates, together with a description of the real estate, the name of the record owner, and a reference to the interest of the record owner.