; and (ii) the project is located outside the wildland-urban interface. (E) Pesticides A project covered by the categorical exclusion described in paragraph (1)(A) shall not include the use of herbicide or insecticide. (F) Extraordinary circumstances (i) In general The Secretary concerned shall apply the extraordinary circumstances procedures under section 220.6 of title 36, Code of Federal Regulations (or successor regulations) in determining whether to use the categorical exclusion described in paragraph (1)(A). (ii) Further guidance The Secretary concerned may not use the categorical exclusion described in paragraph (1)(A) for a project located in any designated critical habitat for a species listed as a threatened species or an endangered species under the Endangered Species Act of 1973 ( 16 U.S.C. 1531 et seq.) unless— (I) the natural fire regimes on that land are identified as being important for, or wildfire is identified as a threat to, an endangered species, a threatened species, or habitat of an endangered species or threatened species in a species recovery plan prepared under section 4 of the Endangered Species Act of 1973 ( 16 U.S.C. 1533 ), or a notice published in the Federal Register determining a species to be an endangered species or a threatened species or designating critical habitat; (II) the authorized hazardous fuel reduction project will provide enhanced protection from un­char­ac­ter­is­tic wildfire for the endangered species, threatened species, or habitat of the endangered species or threatened species