and trade intensity percentages under subparagraph (A) to the nearest whole number. (iv) Greenhouse gas emission calculations When calculating the metric tons of carbon dioxide equivalent greenhouse gas emissions for each sector under subparagraph (A)(ii)(I), the Secretary— (I) shall use the best available data from the three most recent years for which the data are available, and (II) may, to the extent necessary with respect to a sector, use economic and engineering models and the best available information on technology performance levels for the sector. (2) Administrative determination of additional eligible industrial sectors (A) Updated trade intensity data The Secretary shall designate as liable for carbon tax payments on imported products under this part an industrial sector that— (i) met the greenhouse gas intensity criteria in paragraph (1)(A)(ii) as of the date of promulgation of the rule under paragraph (1), and (ii) meets the trade intensity criteria established under paragraph (1)(A)(iii), using data sources described in paragraph (1)(C) from any year after the passage of this Act. (B) Individual showing petition (i) Petition In addition to designation under subparagraph (A), the owner or operator of an entity or a group of entities that collectively produce not less than 80 percent of the average annual value of shipments from within the sector of the group consistent with subclause (I), that manufacture similar products in an industrial sector may petition the Secretary to designate as eligible industrial sectors under this part an entity or a group of entities that— (I) represent a sector using a standard product classification, and (II) meet the respective import and/or export eligibility criteria in paragraph (1)(A)(i). (ii) Data In making a determination under this subparagraph, the Secretary shall consider— (I) data submitted by the petitioner, (II) data solicited by the Secretary from other entities in the sector, and (III) data specified in paragraph (1)(C). (iii) Basis of subsector