Iowa Code § 9B.12: Notarial act under authority of federally recognized Indian tribe.

1. A notarial act performed under the authority and in the jurisdiction of a federally recognized Indian tribe has the same effect as if performed by a notarial officer of this state, if the act performed in the jurisdiction of the tribe is performed by any of the following:

a. A notary public of the tribe.

b. A judge, clerk, or deputy clerk of a court of the tribe.

c. Any other individual authorized by the law of the tribe to perform the notarial act.

2. The signature and title of an individual performing a notarial act under the authority of and in the jurisdiction of a federally recognized Indian tribe are prima facie evidence that the signature is genuine and that the individual holds the designated title.

3. The signature and title of a notarial officer described in subsection 1, paragraph “a” or “b”, conclusively establish the authority of the notarial officer to perform the notarial act.