Rule 4.5.405 - MANUFACTURING AND PROCESSING FACILITIES(1) A person desiring to certify processed materials as noxious weed free must apply to the department before initial certification and/or for additional materials not previously approved. (a) Applications for certification of materials must describe the method of cleaning to remove noxious weeds and propagative plant material. The method must follow industry standards and be approved by the department.(b) Equipment must be cleaned of any noxious weeds prior to processing materials for certification. Cleaning the entire manufacturing system is required to prevent contamination of materials for certification.(c) The department may deny or grant approval of the request based upon the information received from the applicant and from data and information from other sources. The department may also withdraw its approval should investigations or future studies reveal the procedure is not equivalent to accepted procedures.(2) Any person may request Montana Noxious Weed Free Materials Certifications for materials produced out-of-state from the department. (3) The manufacturer must document the amount (tons) of certified material processed in or shipped into Montana and submit documentation to the department on or before January 30 for the previous year's production.NEW, 2021 MAR p. 1048, Eff.8/28/2021AUTH: 80-7-902, MCA; IMP: 80-7-902, MCA