Mont. Code Ann. § 32-4-203

Before the articles of incorporation may become effective, the secretary of state shall issue a certificate that verifies that a copy of the articles containing the required statement of facts has been filed in the secretary of state's office. Upon issuance of the certificate, the persons signing the articles, their associates, and their successors and assigns become a body politic and corporate, by the name specified in the articles of incorporation, subject to amendment and dissolution as provided in this chapter. The incorporators have the authority to and shall perform the acts and things as required by the provisions of this chapter, as set forth in 32-4-201.