35-2-821. Consequences of transacting business without authority. (1) A foreign corporation transacting business in this state without a certificate of authority may not maintain a proceeding in any court in this state until it obtains a certificate of authority. (2) The successor to a foreign corporation that transacted business in this state without a certificate of authority and the assignee of a cause of action arising out of that business may not maintain a proceeding on that cause of action in any court in this state until the foreign corporation or its successor obtains a certificate of authority. (3) A court may stay a proceeding commenced by a foreign corporation, its successor, or its assignee until it determines whether the foreign corporation, its successor, or its assignee requires a certificate of authority. If it determines that a certificate is required, the court may further stay the proceeding until the foreign corporation, its successor, or its assignee obtains the certificate. (4) A foreign corporation is liable for a civil penalty of $5 for each day, but not to exceed a total of $1,000 for each year, that it transacts business in this state without a ains the certificate. (4) A foreign corporation is liable for a civil penalty of $5 for each day, but not to exceed a total of $1,000 for each year, that it transacts business in this state without a certificate of authority. The attorney general may collect all penalties due under this subsection. (5) Notwithstanding the provisions of subsections (1) and (2), the failure of a foreign corporation to obtain a certificate of authority does not impair the validity of its corporate acts or prevent it from defending any proceeding in this state. History: En. Sec. 148, Ch. 411, L. 1991.
Montana Legal Code
§ 35-2-821
Source: https://mca.legmt.gov/bills/mca/title_0350/chapter_0020/part_0080/section_0210/0350-0020-0080-0210.html· Version 2025