(a) Except as provided in paragraphs (b) and (c) of this section or as otherwise authorized, the importation into the United States of any jadeite or rubies mined or extracted from Burma and any articles of jewelry containing jadeite or rubies mined or extracted from Burma is prohibited.
(b) The prohibition in paragraph (a) of this section does not apply to any jadeite or rubies mined or extracted from Burma or any articles of jewelry containing jadeite or rubies mined or extracted from Burma that were previously exported from the United States, including those that accompanied an individual outside the United States for personal use, if they are reimported to the United States by the same person, without having been advanced in value or improved in condition by any process or other means while outside the United States.
(c) Nothing in paragraph (a) of this section shall prohibit transactions to the extent such prohibition would conflict with the international obligations of the United States under the Vienna Convention on Diplomatic Relations, the Vienna Convention on Consular Relations, the United Nations Headquarters Agreement, or other legal instruments providing equivalent privileges and immunities.
Note Sec. 537.203: See Sec. Sec. 537.324, 537.325, and 537.326 for definitions of the terms jadeite, rubies, and articles of jewelry containing jadeite or rubies, respectively.