(a) The Secretary shall regulate, in the manner specified in this section, the handling of cherries whenever he finds, from the recommendations and information submitted by the committee, or from other available information, that such regulations will tend to effectuate the declared policy of the act. Such regulations may:
(2) Limit the shipment of cherries by establishing, in terms of grades, sizes, or both, minimum standards of quality and maturity during any period when season average prices are expected to exceed the parity level;
(3) Fix the size, capacity, weight, dimensions, markings, or pack of the container, or containers, which may be used in the packaging or handling of cherries.
(b) The committee shall be informed immediately of any such regulation issued by the Secretary, and the committee shall promptly give notice thereof to growers and handlers.