It shall be unlawful for any individual, firm, or corporation to advertise, publish, or otherwise promulgate that it is engaged in the banking business without first having obtained authority from the department, as herein provided. Any such individual or member of such firm or officer of any such corporation so offending shall be deemed guilty of a misdemeanor and upon conviction thereof shall be punished as provided by the laws of this state.
§ 32-1-401, MCA