PERIOD OF RELIEF.

SEC. 333. PERIOD OF RELIEF. (a) In General.—Subject to subsection (b), the import relief that the President provides under section 332(b) may not be in effect for more than 2 years. (b) Extension.— (1) In general.—Subject to paragraph (2), the President may extend the effective period of any import relief provided under this subtitle for a period of not more than 2 years, if the President determines that— (A) the import relief continues to be necessary to remedy or prevent serious damage and to facilitate adjustment by the domestic industry to import competition; and (B) there is evidence that the industry is making a positive adjustment to import competition. (2) Limitation.—Any relief provided under this subtitle, including any extensions thereof, may not, in the aggregate, be in effect for more than 4 years.