; and (2) by inserting or after States, ; and (3) by adding at the end the following: (ii) in the case of a proceeding under this title involving a core seasonal industry, whose members constitute not less than 80 percent of the core seasonal industry, . 3. Improvements to countervailing duty procedures for core seasonal industries (a) Determination of industry support Section 702(c)(4) of the Tariff Act of 1930 ( 19 U.S.C. 1671a(c)(4) ) is amended— (1) in subparagraph (A)— (A) by redesignating clauses (i) and (ii) as subclauses (I) and (II), and by moving such subclauses, as so redesignated, 2 ems to the right; (B) in the matter preceding subclause (I), as redesignated by subparagraph (A), by striking behalf of the industry, if— and inserting the following: “behalf of— (i) an industry (other than a core seasonal industry), if— ; (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