CFR›Title 18›Chapter I›Part 4›Subpart N ContainsSections 4.400–4.401CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart N—Notice of Intent To Construct Qualifying Conduit Hydropower Facilities Sections 4.400 § 4.400 Applicability and purpose. 4.401 § 4.401 Contents of notice of intent to construct a qualifying conduit hydropower facility. SourceOrder 800, 79 FR 59111, Oct. 1, 2014, unless otherwise noted. Previous M Subpart M—Fees Under Section 30(e) of the Act