(a) The fact has been determined by the Secretary of Agriculture, and notice is hereby given, that maize or Indian corn (Zea mays L.) and closely related plants are subject to certain injurious diseases, especially Peronospora maydis Raciborski, Sclerospora sacchari Miyake and other downy mildews; also the Physoderma diseases of maize, Physoderma zeae-maydis Shaw, and Physoderma maydis Miyake, new to and not heretofore widely prevalent or distributed within and throughout the United States, and that these diseases occur in southeastern Asia (including India, Siam, Indo-China and China), Malayan Archipelago, Australia, Oceania, Philippine Islands, Formosa, Japan, and adjacent islands.

(b) The importation of corn plants (including any plant parts) that are for planting or capable of being planted is restricted in Subpart H - Plants for Planting of this part.

(c) Except as otherwise provided in this subpart, the importation into the United States of raw or unmanufactured corn seed and all other portions of Indian corn or maize and related plants, including all species of teosinte (Euchlaena), jobs-tears (Coix), Polytoca, Chionachne, and Sclerachne, from southeastern Asia (including India, Indochina, and the People's Republic of China), Malayan Archipelago, Australia, New Zealand, Oceania, Philippine Islands, Manchuria, Japan, and adjacent islands is prohibited. However, this prohibition does not apply to importations of such items for experimental, therapeutic, or developmental purposes under the conditions specified in a controlled import permit issued in accordance with § 319.6.

(d) As used in this subpart, unless the context otherwise requires, the term “United States” means the States, the District of Columbia, Guam, Puerto Rico, and the Virgin Islands of the United States.

(e) Seed of Indian corn or maize (Zea mays L.) that is free from the cob and from all other parts of corn may be imported into the United States from New Zealand without further restriction.