Mont. Code Ann. § 37-72-305

Upon receipt of an application and application fee, the department shall issue a license to any person fulfilling the requirements of 37-72-301 (2)(a) through (2)(d) who holds a certificate, license, or permit, issued by another state or any agency of the United States, allowing the person to supervise or engage in the practice of construction blasting if the department finds that the certificate, license, or permit was issued upon the satisfactory completion of requirements substantially equivalent to the requirements of 37-72-301 and 37-72-302.