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Perjury Laws in Montana

How perjury (lying under oath) is charged in Montana, whether it is a misdemeanor or felony, and the maximum penalties, from the state criminal code.

Short answer: Perjury is knowingly making a material false statement under oath in an official proceeding; it is punishable by up to 10 years in state prison, a fine of not more than $50,000, or both. MCA §§ 45-7-201, 45-7-202

Perjury (lying under oath)Perjury is knowingly making a material false statement under oath in an official proceeding; it is punishable by up to 10 years in state prison, a fine of not more than $50,000, or both. Retracting the false statement during the same proceeding, before it is exposed and before it substantially affects the case, is a defense, and a conviction cannot rest solely on the testimony of a single other person (§ 45-7-201). False swearing (a knowingly false sworn statement in an official proceeding, made to mislead a public servant, or in a notarized statement) is punishable by a fine up to $500, up to 6 months in county jail, or both (§ 45-7-202).
False swearing: https://mca.legmt.gov/bills/mca/title_0450/chapter_0070/part_0020/section_0020/0450-0070-0020-0020.html . Montana does not grade crimes into classes; each statute sets its own penalty, and an offense punishable by more than 1 year in state prison is a felony (MCA § 45-2-101).

More Montana criminal law

FAQ

Is perjury a felony in Montana?
Perjury is knowingly making a material false statement under oath in an official proceeding; it is punishable by up to 10 years in state prison, a fine of not more than $50,000, or both. Retracting the false statement during the same proceeding, before it is exposed and before it substantially affects the case, is a defense, and a conviction cannot rest solely on the testimony of a single other person (§ 45-7-201). False swearing (a knowingly false sworn statement in an official proceeding, made to mislead a public servant, or in a notarized statement) is punishable by a fine up to $500, up to 6 months in county jail, or both (§ 45-7-202).
Can I get a court-appointed lawyer for perjury (lying under oath) in Montana?
Montana's rule on court-appointed lawyers: The Office of State Public Defender assigns counsel to eligible applicants; eligibility determinations are subject to the review and approval of the court. An applicant is indigent if 'the applicant's gross household income is at or less than 133% of the poverty level' (federal poverty guidelines) or if disposable income and assets are 'insufficient to retain competent private counsel without substantial hardship to the applicant.' The applicant must provide a detailed financial statement and sign an affidavit on a prescribed form; false statements may be prosecuted. The section does not set an application fee. MCA § 47-1-111
How much does a lawyer for perjury (lying under oath) cost in Montana?
Lawyers set their own fees, and Montana has rules on how they may charge. See hiring a criminal defense lawyer in Montana for fee rules, how to check a lawyer's license and free help.
What happens after an arrest for perjury (lying under oath) in Montana?
How release before trial works in Montana: Before a verdict, the court must either authorize release 'upon reasonable conditions that ensure the appearance of the defendant' and protect the safety of the community or any person, or detain the defendant when there is probable cause to believe the defendant committed an offense for which death is a possible punishment and adequate safeguards are unavailable (§ 46-9-106). The amount of bail must be sufficient to ensure the defendant's presence and compliance with bail conditions and to protect any person from bodily injury; 'not oppressive'; commensurate with the nature of the offense; and considerate of the financial ability of the accused, prior record, history of abscondence, length of residence and community ties, family ties, mental health status and treatment, and employment status (§ 46-9-301). MCA §§ 46-9-106, 46-9-301 What happens after an arrest.
Can a conviction for perjury (lying under oath) be removed from my record in Montana?
Each state sets its own rules for sealing or expunging records. See Montana expungement and record sealing rules.

General legal information, not legal advice. Laws change and local rules can differ; check the linked official source or talk to a lawyer about your situation.