(1) Any unit manufactured in a reciprocal state which has been reviewed as meeting the standards of that state shall be deemed to meet the standards of the state of Montana. Reciprocal status shall be granted to other states at the discretion of the bureau. In addition to the insignia of the reciprocal state, a Montana insignia is necessary on all units manufactured or offered for sale within the state of Montana.

(2) The bureau chief shall have the authority to enter into reciprocal agreements with other states.

(3) Reciprocal status for factory-built buildings may be granted to HUD-approved Category III states. States which are approved by HUD and therefore meet the criteria for reciprocal status are:

(a) Alabama, Arizona, California, Colorado, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Maryland, Michigan, Minnesota, Nebraska, New Jersey, North Carolina, Oregon, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Virginia, Washington, Wisconsin.