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<br />002H2 <br /> <br />annual basis until the petitioned action is found <br />to be warranted or not. Id. $ 1533(b)(3) <br />(B)(iii); 50 C.F.R. ~ 424.14(b)(4) (1992). If <br />the finding on a listing action petition is that <br />tbe petitioned action is warranted, the agency <br />must promptly publish in the Federal Register <br />a proposed regulation to implement the peri. <br />tioned action, thus concluding the petition reo <br />view process. 16 U.S.c. ~ 1533 (b)(3)(B)(ii) <br />(1988); 50 C.F.R. ~~ 424.14 (b)(3)(ii) <br />( 1992). <br />Ustlng Action Rulemaklng. Species may <br />be listed, delisted, or reclassified either through <br />the petition process discussed above or at the <br />initiation of FWS/NMFS if adequate biological <br />data warrants the action. ]n either case, the <br />agency must publish a proposed rule in the Fed. <br />eral Register to begin the listing status decision <br />process. 16 U.S.c. ~ 1533(b)(5)(A)(i) (1988); <br />50 C.F.R. ~ 424.16(c)(1)(i) (1992). The <br />agency must also supply notice directly to each <br />state and foreign nation in which the species is <br />believed to occur; to federal agencies, local au- <br />thorities, and private individuals known to be <br />affected by the rule; to such professional sci- <br />entific organizations deemed appropriate; and <br />to the affected public through newspapers. 16 <br />U.S.c. ~~ 1533(b)(5)(A)(ii), 1533(B)-(D) <br />(1988); 50 C.F.R. ~~ 424.16(c)(l)(ii)-(vi) <br />(1992). The agency must accept public com. <br />ment on the proposed rule for at least sixty days <br />following such publication, and must hold at <br />least one public hearing within forty-five days <br />of publication if any person so requests. 16 <br />U.S.c. ~ 1533(b)(5)(E) (hearing);.50 C.F.R. <br />~~ 424.16(c)(2)-(3) (1992) (comment pe. <br />riod and hearing). <br />Within one year after publishing the pro. <br />posed rule, FWS/NMFS must either promulgate <br />a final rule implementing the listing action, find <br />that the listing action should not be made, with- <br />draw the proposed rule if the available evi- <br />dence does not adequately support either of <br />those two actions, or extend the review period <br />for no more than six months if there is dis- <br />agreement regarding the sufficiency or accu- <br />racy of the available biological data. 16 U.S.c. <br />~~ 1533(b)(6)(A)-(B) (1988); 50 C.F.R. <br />~~ 424 .17(a)( I )(i)-(iv) (1992). If the agency <br />decides to list a species as threatened rather <br />than endangered, the agency must decide which <br />of several protective fealUres will apply to the <br />species. Some of the ESA's prohibitory provi- <br />sions and other requirements do not applyau. <br />tomatically to threatened species, as they do for <br />endangered species, see generally. Enos v. <br />Marsh, 769 F.2d 1363, 1368-70 (9th Cir. <br />1985), but FWS/NMFS may apply the section <br />9(a) endangered species protections to threat. <br />ened species. 16 U.S.C. ~ 1533(d). The FWS/ <br /> <br />NMFS have extended most such protections to <br />all threatened species under a general regula. <br />tion applicable unless regulations for a partic- <br />ular species or special permit terms provide <br />otherwise. 50 C.F.R. ~ 17.31 (a). <br />Critical Habitat Rulemaking. Like listing <br />status actions, critical habitat designations or <br />revisions are commenced either through the pe- <br />tition process or at the initiative of FWS/NMFS. <br />The procedures for critical habitat rulemakings <br />differ from the listing stalUS rule making in only <br />three significant respects. First, the proposed <br />and final rule for critical habitat decisions must <br />contain a map of the habitat area and, to the <br />maximum extent practicable, a description of <br />those public and private actjvitks that if un. <br />dertaken may adversely modify the habitat or <br />which themselves may be affected by the crit- <br />ical habitat decision as a result of the protec- <br />tions afforded such areas elsewhere in the ESA. <br />16 U.s.c. ~ 1533(b)(8) (1988); 50 C.F.R. <br />~ 424.18(a) (1992). Second, with respect to <br />the proposed or ongoing actions identified in <br />the proposed rule as possibly being affected by <br />the proposed critical habitat decision, the FWS/ <br />NMFS musr conduct an impact analysis consid- <br />ering the economic and other effects of the pro- <br />posed rule on such activities. 16 U.S.c. <br />~ IS33(b)(2) (1988); 50 C.F.R. ~ 424.19 <br />(1992). Finally, although a final critical habitat <br />designation rule should be published concur- <br />rently with the rule listing the species involved, <br />the FWS/NMFS may delay the critical habitat <br />rulemaking after that date if it deems either that <br />it is. essential to the conservation of the species <br />that it be listed more prompTly, or that the crit- <br />ical "habitat of the species is not determinable <br />at the time of li'ting. 16 U.S.c. ~ 1533 <br />(b)(6)(C) (1988); 50 C.F.R. ~424.17 (b) <br />(1992). The critical habitat rulemaking process <br />must be conduded no later than two years after <br />publication of the proposed species.listing rule. <br />By that date, to the maximum extent prudent <br />and based on the data available at that time, the <br />agency must publish the final rule designating <br />the species' critical habitat. 16 U.S.c. <br />~ IS33(b)(6)(C)(ii) (1988); 50 C.F.R. <br />~ 424.17(b) (1992). <br />Emergency Rulemaking. Notwithstand. <br />ing the procedures required for petitions, list- <br />ing actions, and critical habitat decisions, FWS/ <br />NMFS at any time may issue a regulation imple- <br />menting any listing or critical habitat action in <br />response to an emergency posing a significant <br />risk to [he well-being of a species of fish, wild- <br />life, or plant. 16 U.S.c. $ 1533(b)(7) (1988); <br />50 C.F.R. S\ 424.20 (1992). An emergency rule <br />may take effect immediately upon publication <br />in the Federal Register; however, rhe FWS/NMFS <br />Continued on page 67 <br /> <br />NR&E/SUMMER 1993 <br /> <br />If the agenc.y <br />decides to list a <br />species as <br />threatened rather <br />than endangered, <br />the agency must <br />decide which of <br />several protective <br />features will apply <br />to the species. <br /> <br />29 <br />