CFR›Title 50›Chapter I›Part 17›Subpart I ContainsSection 17.90CorpusDaily eCFRDisplayed edition2026-09-25Last updated2026-09-25 Subpart I—Considerations of Impacts and Exclusions from Critical Habitat Sections 17.90 § 17.90 Impact analysis and exclusions from critical habitat. Previous H Subpart H—Experimental Populations Next J Subpart J—Interagency Cooperation