Pub. L. 103–465, title III, § 316, “(a) Except as provided in subsection (b), this subtitle [subtitle B (§§ 311–316) of title III of Pub. L. 103–465, enacting this section and amending sections 2241, 2242, 2411, 2414, 2416, and 2420 of this title] and the amendments made by this subtitle take effect on the date on which the WTO Agreement enters into force with respect to the United States [“(b) The amendment made by section 314(f) [amending section 2420 of this title] takes effect on the date of the enactment of this Act [