; (C) in subclause (II), as redesignated by subparagraph (A), by striking the period at the end and inserting , or ; and (D) by adding at the end the following: (ii) a core seasonal industry, if the domestic producers or workers who support the petition account for at least 50 percent of the total production of the domestic like product in any State or group of States that accounts for at least 50 percent of total production of the domestic like product during the season or cyclical period of time specified in the petition, determined by averaging production over the 3 seasons or cyclical periods of time preceding the filing of the petition. ; (2) in subparagraph (B)(i), by inserting (during the season or cyclical period of time specified in the petition, if applicable) after their interests as domestic producers ; and (3) in subparagraph (D), in the matter preceding clause (i), by striking support and all that follows through domestic like product and inserting industry support in accordance with subparagraph (A) . (b) Suspension of investigations for extraordinary circumstances Section 734(c)(2)(A)(i) of the Tariff Act of 1930 ( 19 U.S.C. 1673c(c)(2)(A)(i) ) is amended by inserting (as defined in section 771(4)(A)(i)) after domestic industry . (c) Effect of final determinations Section 735(c)(1) of the Tariff Act of 1930 ( 19 U.S.C. 1673d(c)(1) ) is amended— (1) by redesignating subparagraph (C) as subparagraph (D); (2) in subparagraph (B)(ii), by striking , and and inserting a comma; and (3) by inserting after subparagraph (B) the following: (C) in cases involving dumping that affects a core seasonal industry solely during a specific season or cyclical period of time, the administering authority shall limit the application of any rate determined under subparagraph (B) to that season or cyclical period of time, and .