19 U.S.C. § 4001: Purposes

to approve and implement the Free Trade Agreement between the United States, Costa Rica, the Dominican Republic, El Salvador, Guatemala, Honduras, and Nicaragua entered into under the authority of section 3803(b) of this title ; to strengthen and develop economic relations between the United States, Costa Rica, the Dominican Republic, El Salvador, Guatemala, Honduras, and Nicaragua for their mutual benefit; to establish free trade between the United States, Costa Rica, the Dominican Republic, El Salvador, Guatemala, Honduras, and Nicaragua through the reduction and elimination of barriers to trade in goods and services and to investment; and to lay the foundation for further cooperation to expand and enhance the benefits of the Agreement. Except as provided in subsection (b), the provisions of this Act [see Short Title note set out below] and the amendments made by this Act take effect on the date the Agreement [Dominican Republic-Central America-United States Free Trade Agreement] enters into force [ Mar. 1, 2006 ]. Sections 1 through 3 and this title [enacting this section, section 4002 of this title , and provisions set out as a note below] take effect on the date of the enactment of this Act [ Aug. 2, 2005 ]. During any period in which a country ceases to be a CAFTA–DR country, the provisions of this Act (other than this subsection) and the amendments made by this Act shall cease to have effect with respect to that country. On the date on which the Agreement ceases to be in force with respect to the United States, the provisions of this Act (other than this subsection) and the amendments made by this Act shall cease to have effect.”