19 U.S.C. § 3355
(a) General rule Except as provided in subsection (b) of this section, no import relief may be provided under this subpart—
unless the article against which the action is taken is an item for which the transition period for tariff elimination set out in the United States Schedule to Annex 302.2 of the Agreement is greater than 10 years, in which case the period during which relief may be granted shall be the period of staged tariff elimination for that article.
(Pub. L. 103–182, title III, § 305, , 107 Stat. 2103.)
The North American Free Trade Agreement entered into force on , see note set out under section 3311 of this title.