No person or persons conducting or transacting business in this state without an effective certificate of registration of an assumed business name or having any interest therein may maintain any suit or action in any of the courts of this state under such name.
Mont. Code Ann. § 30-13-215
Effect of transacting business without certificate
En Sec. 15, Ch. 260, L. 1979.
Official source: Montana Code Annotated (Montana Legislature). Reproduced from public-domain Montana statutes; confirm against the official source for the current text. Not legal advice.