Montana Code Annotated · § 45-7-202 — False swearing

(1) A person commits the offense of false swearing if the person knowingly makes a false statement under oath or equivalent affirmation or swears or affirms the truth of a statement previously made when the person does not believe the statement to be true and:

(a) the falsification occurs in an official proceeding;

(b) the falsification is purposely made to mislead a public servant in performing an official function; or

(c) the statement is one that is required by law to be sworn or affirmed before a notary or other person authorized to administer oaths.

(2) Subsections (4) through (7) of 45-7-201 apply to this section.

(3) A person convicted of false swearing shall be fined an amount not to exceed $500 or be imprisoned in the county jail for a term not to exceed 6 months, or both.