CFR›Title 1›Chapter VI›Part 601›Subpart D ContainsSections 601.10–601.12CorpusDaily eCFRDisplayed edition2026-05-12Last updated2026-05-12 Subpart D—Initiating the NEPA Process Sections 601.10 § 601.10 Characteristics of Commission actions eligible for a Categorical Exclusion. 601.11 § 601.11 Extraordinary Circumstances. 601.12 § 601.12 National Capital Planning Commission Categorical Exclusions. Previous C Subpart C—NEPA Submission Schedules Next E Subpart E—Environmental Assessments