AGO 1963 NO. 4 >
(1) The legislature of the state of Washington may enact a law in the exercise of its police power requiring all apples and other fruit being shipped into the state to meet state grades notwithstanding the grades, if any, of the state of origin, providing that the fruit was not being shipped into Washington according to federal grades. Any legislation would be inoperative if any of the state grades adopted were in direct conflict with any federal grades being used pursuant to any act of Congress which would allow the interstate shipment of fruit according to federal grades.(2) Same: Such a law could be enforced by various means including "stop-sale orders," "embargoes," "seizures" and criminal sanctions.