Montana Bill of Sale
Does Montana Require a Notarized Bill of Sale?
Notarization Requirement
No, Not Required
Montana removed its notary/county-treasurer acknowledgment requirement effective October 1, 2025 under HB165. Notarization is still used for bonded-title or no-title situations.
Notarized bill of sale vs. notarized title
A lot of the confusion around state notary rules comes from mixing up two different documents: the bill of sale itself, and the signature on the certificate-of-title assignment. Some states require one but not the other. The requirement above is specific to the bill of sale — always double-check which document a notary requirement actually applies to before you sign.
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Other States
Checking a Different State?
Requirements shown reflect general state law and official state agency guidance as of publication and are subject to change — some counties or municipalities impose additional requirements beyond state law. Confirm current requirements for your specific sale before signing.