Iowa Code Title XV. Judicial Branch and Judicial Procedures [Chs. 595-686] § 614.34. Preserving interest during forty-year period

1. Any person claiming an interest in land may preserve and keep effective such interest by filing for record during the forty-year period immediately following the effective date of the root of title of the person whose record title would otherwise be marketable, a notice in writing duly verified by oath or affirmation setting forth the nature of the claim. No disability or lack of knowledge of any kind on the part of anyone shall suspend the running of said forty-year period. Such notice may be filed for record by the claimant or by any other person acting on behalf of any claimant who is:

2. If the same record owner of any possessory interest in land has been in possession of such land continuously for a period of forty years or more, during which period no title transaction with respect to such interest appears of record in the chain of title, and no notice has been filed by the record owner or on the record owner's behalf as provided in subsection 1, and such possession continues to the time when marketability is being determined, such period of possession shall be deemed equivalent to the filing of the notice immediately preceding the termination of the forty-year period described in subsection 1.