Wyo. Stat. § 6-5-301: Perjury in judicial, legislative or administrative proceedings; penalties.

(a) A person commits perjury if, while under a lawfully administered oath or affirmation, he knowingly testifies falsely or makes a false affidavit, certificate, declaration, deposition or statement, in a judicial, legislative or administrative proceeding in which an oath or affirmation may be required by law, touching a matter material to a point in question.

(b) Perjury is a felony punishable by imprisonment for not more than five (5) years, a fine of not more than five thousand dollars ($5,000.00), or both.