The shall limit the handling of whenever he finds from the recommendation and information submitted by the , or from other available information, that such regulation would tend to effectuate the declared policy of the . Such regulation may:
(a) Limit, in any or all portions of the , the handling of particular grades, sizes, qualities (including as a factor of or quality), or of any or all of , during any period; or
(b) Limit the handling of particular grades, sizes, qualities, or of differently, from different , for different stages of , for different portions of the , for different containers, for different markets, for different purposes specified in § 966.54, or any combination of the foregoing, during any period; or
(c) Limit the handling of by establishing, in terms of grades, sizes, or both, minimum standards of quality and ; or
(d) Fix the size, weight, capacity, dimensions, markings (including labels and stamps), or of the or which may be used in the packaging, transportation, sale, shipment, or other handling of .