Section 288.491 - Imposition of different standards or requirements prohibited; out-of-state produced milk or milk products(1) A political subdivision of the state shall not impose any different standards or requirements for grade A milk and grade A milk products other than those provided for in this act and shall not prohibit the sale of grade A milk and grade A milk products if produced and processed as grade A milk under supervision of the department. The director shall furnish copies of its inspection reports on any dairy farm producing grade A milk to a purchaser of grade A milk from that farm upon written request.(2) A sanitary standard or similar requirement issued under this act shall not prohibit the sale of grade A milk or grade A milk products that are produced or processed under laws or rules of a governmental unit, outside the state, that are substantially equivalent to the requirements of the rules promulgated under this act and which are enforced with equal effectiveness, as determined by the director, if the governmental unit accepts Michigan grade A milk and milk products certified by a Michigan sanitation rating officer.2001, Act 266, Eff. 2/8/2002.