(1) Each corporation shall continuously maintain in this state a registered office and a registered agent in compliance with Title 35, chapter 7. (2) As used in this part, "corporation" means both a domestic corporation and a registered foreign corporation.
Registered Office And Agent -- Domestic And Registered Foreign Corporations
Mont. Code Ann. § 35-14-501, under Office and Agent.
Mont. Code Ann. § 35-14-501