CFR›Title 40›Chapter I›Part 63›Subpart RRRRR›Subject Group Notifications, Reports, and Records ContainsSections 63.9640–63.9643CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Sections 63.9640 § 63.9640 What notifications must I submit and when? 63.9641 § 63.9641 What reports must I submit and when? 63.9642 § 63.9642 What records must I keep? 63.9643 § 63.9643 In what form and how long must I keep my records? Previous Initial Compliance Requirements Initial Compliance Requirements Next Operation and Maintenance Requirements Operation and Maintenance Requirements