CFR›Title 45›Subtitle B›Chapter IX›Part 900›Subpart D ContainsSections 900.401–900.405CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart D—Environmental Impact Statements Sections 900.401 § 900.401 Notice of intent and scoping. 900.402 § 900.402 Preparation and filing of draft and final EISs. 900.403 § 900.403 Supplemental EIS. 900.404 § 900.404 Adoption. 900.405 § 900.405 Proposals normally requiring an EIS. Previous C Subpart C—Environmental Assessments