; (II) the Secretary shall consider under this paragraph only petitions for species included in the list under section 2(b)(3)(A)(ii) in the applicable backlog schedule, that were submitted more than 12 months before the establishment of the backlog; (III) except as provided in subclause (IV), the Secretary shall not make any finding under subparagraph (B) with respect to any species included in the list under section 2(b)(3)(A)(i) in the applicable backlog schedule, until the earlier of— (aa) the date the Secretary terminates the backlog under subparagraph (F); (bb) the date the applicable backlog schedule consists of only the list under such section; or (cc) the date the only petitioned-for species in the backlog schedule to which the Secretary has not devoted sufficient resources so as to issue such a finding within 12 months are those in the list under such section; and (IV) the Secretary is deemed to have made a finding under subparagraph (B)(i) for each species included in the list under section 2(b)(3)(A)(i) that the petitioned action is not warranted— (aa) effective upon the expiration of the 18-month period beginning on the date the petition was submitted, if the Secretary has not assigned the species to the Highest Priority—Critically Imperiled , Strong Data Already Available on Status priority bin or New Science Underway to Inform Key Uncertainties priority bin referred to in the notice referred to in clause (i); or (bb) effective upon the expiration of the 24-month period beginning on the date the petition was submitted, if the Secretary has assigned the species to the Strong Data Already Available on Status priority bin or New Science Underway to Inform Key Uncertainties priority bin referred to in the notice referred to in clause (i). (I) (i) In the case of the first 12-month petition backlog under subparagraph (E)(ii)— (I) item (aa) of subparagraph (H)(ii)(IV) shall be applied by substituting 30-month for 18-month