Montana Code Annotated — Title 15 (Taxation)
Mont. Code Ann. § 15-8-707 — Correction Of Defects In Property Tax Record
15-8-707 . Correction of defects in property tax record. (1) At any time after the original assessment is made and prior to a sale for delinquent taxes, omissions, errors, or defects in the property tax record may only be corrected by the department.
(2) If the correction involves an assessment of property that is the subject of pending litigation with a taxing jurisdiction within the county, the county attorney must be notified of the correction.
Source: official text