No person shall ship, or offer for shipment, and no carrier shall transport, or receive for transportation, any shipment of apples to any foreign destination unless:
(a) Apples grade at least U.S. No. 1 or U.S. No. 1 Early: Provided, That apples for export to Pacific ports of Russia shall grade at least U.S. Utility or U.S. No. 1 Hail for hail-damaged apples, as specified in the United States Standards for Apples (Sections 51.300-51.323 of this chapter): Provided further, That apples for export to any foreign destination do not contain apple maggot, and do not have more than 2 percent, by count, of apples with apple maggot injury, nor more than 2 percent, by count, of apples infested with San Jose scale or scale of similar appearance;
(b) Decay, scald or any other deterioration which may have developed on apples after they have been in storage or transit shall be considered as affecting condition and not the grade.
(c) Each package of apples is packed so that the apples in the top layer shall be reasonably representative in size, color, and quality of the contents of the package; and
(d) Each package of apples is marked plainly and conspicuously with:
(1) The name and address of the grower, packer, or domestic distributor: Provided, That the name of the foreign distributor may be placed on consumer unit packages shipped in a master container if such master container is marked with the name and address of the grower, packer, or domestic distributor;
(2) The variety of the apples;
(3) The name of the U.S. grade or the name of a state grade if the fruit meets each minimum requirement of a U.S. grade specified in this section.