Section R. 325.12104 - Change in product designation or compositionRule 2104.
(1) Written approval by the department for a product, material, or chemical shall not extend to a change in composition or designation thereof. It is the responsibility of the manufacturer or distributor to make application to the department for approval of a product with a changed composition or designation.(2) The department may contact a manufacturer or distributor to determine the status of a chemical or material previously approved. If contact with the manufacturer or distributor cannot be made, previous approval of a chemical or material manufactured or distributed by that manufacturer or distributor may be suspended.Mich. Admin. Code R. 325.12104