Subpart B. Subpart B—Revision of the Lists

• § 424.10 - General.
• § 424.11 - Factors for listing, delisting, or reclassifying species.
• § 424.12 - Criteria for designating critical habitat.
• § 424.13 - Sources of information and relevant data.
• § 424.14 - Petitions.
• § 424.15 - Notices of review.
• § 424.16 - Proposed rules.
• § 424.17 - Time limits and required actions.
• § 424.18 - Final rules—general.
• § 424.19 - Impact analysis and exclusions from critical habitat.
• § 424.20 - Emergency rules.
• § 424.21 - Periodic review.