Title 50: Wildlife and Fisheries
PART 424—LISTING ENDANGERED AND THREATENED SPECIES AND DESIGNATING CRITICAL HABITAT
Subpart B—Revision of the Lists
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§ 424.18 Final rules—general.
(a) Contents. A final rule promulgated to carry out the purposes of the Act will be published in the Federal Register. This publication will contain the complete text of the rule, a summary of the comments and recommendations received in response to the proposal (including applicable public hearings), summaries of the data on which the rule is based and the relationship of such data to the final rule, and a description of any conservation measures available under the rule. Publication of a final rule to list, delist, or reclassify a species or designate or revise critical habitat shall also provide a summary of factors affecting the species. A rule designating or revising critical habitat will also contain a description of the boundaries and a map of such habitat and will, to the maximum extent practicable, be accompanied by a brief description and evaluation of those activities (whether public or private) that might occur in the area and which, in the opinion of the Secretary, may adversly modify such habitat or be affected by such designation.
(b) Effective date. A final rule shall take effect—
(1) Not less than 30 days after it is published in the Federal Register, except as otherwise provided for good cause found and published with the rule; and
(2) Not less than 90 days after (i) publication in the Federal Register of the proposed rule, and (ii) actual notification of any affected State agencies and counties or equivalent jurisdictions in accordance with §424.16(c)(1)(ii).
(c) Disagreement with State agency. If a State agency, given notice of a proposed rule in accordance with §424.16(c)(1)(ii), submits comments disagreeing in whole or in part with a proposed rule, and the Secretary issues a final rule that is in conflict with such comments, or if the Secretary fails to adopt a regulation for which a State agency has made a petition in accordance with §424.14, the Secretary shall provide such agency with a written justification for the failure to adopt a rule consistent with the agency's comments or petition.
