Mont. Code Ann. § 50-52-207

A license may not be denied or canceled by the department without delivery to the applicant or licensee of a written statement of the grounds for denial or cancellation or the charge involved and an opportunity to answer at a hearing before the department to show cause, if any, why the license should not be denied or canceled. In this case, the licensee must make a written request to the department for a hearing within 10 days after notice of the grounds or charges has been received.