Mont. Code Ann. § 87-3-224

The cargo and vehicle involved in a violation of 87-6-219 (1)(b) and 87-3-210 or 87-3-221 through 87-3-223 may, at the option of the department, either be denied the right to proceed further within the state of Montana or be quarantined until inspected by a designated biologist from the department. The department shall inform the department of transportation of the provisions regarding importation of salmonid and nonsalmonid fish and eggs so that the department of transportation may enforce the provisions at ports of entry and checking stations under 60-2-303.