Wis. Stat. § 140.12: 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 sub. (1) (a) or (b) conclusively establish the authority of the officer to perform the notarial act.