All articles coming into the United States from Guam shall be subject to or exempt from duty as provided for in section 1301a [1] of title 19.

(Aug. 1, 1950, ch. 512, § 27, 64 Stat. 392; Sept. 1, 1954, ch. 1213, title IV, § 402(b), 68 Stat. 1140.)