1. Short title This Act may be cited as the Listing Reform Act . 2. Consideration of economic cost in review of listing petitions under Endangered Species Act of 1973 (a) Consideration required Section 4(b)(3) of the Endangered Species Act of 1973 ( 16 U.S.C. 1533(b)(3) ) is amended— (1) in subparagraph (A)— (A) by striking To the maximum extent practicable, within 90 days after and inserting (i) After ; and (B) by adding at the end the following: (ii) The Secretary may prioritize the consideration of petitions under this subparagraph other than in the order in which the petitions are received, except the Secretary may not give general priority to petitions to add species to such a list over petitions to remove a species from such a list. ; (2) in subparagraph (B)— (A) in the matter preceding clause (i), by striking Within 12 months and inserting As expeditiously as practicable . (b) Consideration of significant, cumulative economic effects (1) In general Section 4(b)(3)(B) of the Endangered Species Act of 1973 ( 16 U.S.C. 1533(b)(3)(B) ) is amended by adding at the end the following: (iv) (I) In the case of a petition to add a species to a list of threatened species, the petitioned action may be warranted but is precluded due to the likelihood of significant, cumulative economic effects that would result from listing or, to the extent it can be determined, from the likely resulting designation of critical habitat of the species. (II) The Secretary may not reconsider such finding unless— (aa) the Secretary determines there is endangerment of extinction of the species