CFR›Title 40›Chapter I›Part 270›Subpart A ContainsSections 270.1–270.6CorpusDaily eCFRDisplayed edition2026-05-07Last updated2026-05-07 Subpart A—General Information Sections 270.1 § 270.1 Purpose and scope of the regulations in this part. 270.2 § 270.2 Definitions. 270.3 § 270.3 Considerations under Federal law. 270.4 § 270.4 Effect of a permit. 270.5 § 270.5 Noncompliance and program reporting by the Director. 270.6 § 270.6 References. Next B Subpart B—Permit Application