Wis. Stat. § 322.131: Article 131 — Perjury.

Any person who in a judicial proceeding or in a course of justice willfully and corruptly does any of the following shall be punished as a court-martial may direct:

(1) Upon a lawful oath or in any form allowed by law to be substituted for an oath, gives any false testimony material to the issue or matter of inquiry.

(2) In any declaration, certificate, verification, or statement under penalty or perjury as permitted under 28 USC 1746, subscribes any false statement material to the issue or matter of inquiry.