; and (II) an industry for which the Secretary, in consultation with the Secretary of Commerce, has determined that, during the 5-year period preceding the determination of the Secretary under this subparagraph, not less than 20 percent of the workers in such industry are totally or partially separated or are threatened to become totally or partially separated. (iii) Timing On the date that is 5 years after the date of enactment of this Act, and each year thereafter, the Secretary, in consultation with the Secretary of Commerce, shall determine if any industry meets the qualifications under clause (ii) and add any such industry as a qualifying industry. (C) Indefinitely qualified Notwithstanding any other provision in this paragraph, an industry that is a qualifying industry, under subparagraph (A) or (B), shall indefinitely remain a qualifying industry. (b) Basis for Secretary's Determinations (1) In general The Secretary shall, in determining whether to certify a group of workers under section 213, obtain from the workers, the applicable firm, or a customer of the applicable firm, information the Secretary determines to be necessary to make such certification, through questionnaires and in any other manner that the Secretary determines appropriate. (2) Standards; criteria The Secretary shall establish— (A) standards, including data requirements, to investigate petitions filed under section 211; and (B) criteria for making determinations under section 213. (3) Additional information The Secretary may seek additional information to determine whether to certify a group of workers— (A) by contacting— (i) officials or workers of the applicable firm; (ii) officials of a certified or recognized labor organization or other duly authorized representative of the group of workers; (iii) State or regional departments of labor, energy, the environment, economic development, or commerce or that regulate utilities