REFUNDS ON ARTICLES FROM FOREIGN TRADE ZONES.

SEC. 497. REFUNDS ON ARTICLES FROM FOREIGN TRADE ZONES. (a) Imported Articles.—With respect to any article specified in section 2000 (c) (2). 2800 (a), 3030 (a), or 3150 (a) of the Internal Revenue Code on which internal revenue tax at the applicable rate prescribed in such section has been determined pursuant to section 3 of the Act of June 18, 1934, as amended (U. S. C., title 19, sec. 81c), prior to April 1, 1954, and which on or after such date is brought from a foreign trade zone into customs territory of the United States and the tax so determined thereon paid, there shall be credited or refunded (without interest) to the taxpayer, subject to such regulations as may be prescribed by the Secretary, an amount equal to the difference between the tax so paid and the amount of tax made applicable to such articles on and after April 1, 1954, if claim for such credit or refund is filed with the Secretary within thirty days after payment of the tax. (b) Previously Taxpaid Articles.—With respect to any article specified in section 2000 (c) (2), 2800 (a), 3030 (a), or 3150 (a) of the Internal Revenue Code, upon which internal revenue tax (including floor stocks tax) at the applicable rate prescribed in such section has been paid, and which was taken into a foreign trade zone from the customs territory of the United States and placed under the supervision of the collector of customs, pursuant to the second proviso of section 3 of the Act of June 18, 1934, as amended (U. S. C., title 19, sec. 81c), prior to April 1, 1954, and which on or after such date is (without loss of identity) returned from a foreign trade zone to customs territory of the United States, there shall be credited or refunded (without interest) to the person so returning such article, subject to such regulations as may be prescribed by the Secretary, an amount equal to the difference between the tax so paid and the amount of tax made applicable to such articles on and after April 1, 1954, if claim for such credit or refund is filed with the Secretary within thirty days after the return of the article to customs territory.