CFR›Title 40›Chapter I›Part 239›Subpart B ContainsSections 239.3–239.5CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Subpart B—State Program Application Sections 239.3 § 239.3 Components of program application. 239.4 § 239.4 Narrative description of state permit program. 239.5 § 239.5 State legal certification. Previous A Subpart A—General Next C Subpart C—Requirements for Adequate Permit Programs