Montana Title 15. Taxation § 15-30-2523. Determination of employer status

A final determination by either the department of labor and industry or the workers' compensation court that an employer-employee relationship existed between the taxpayer and certain individuals subjecting the taxpayer to the requirements of this chapter is not subject to any further administrative or judicial challenge in any proceeding before or with the department of revenue concerning a determination of the proper amount of state income tax withholding.