CFR›Title 46›Chapter I›Part 31›Subpart 31.20 ContainsSection 31.20-1CorpusDaily eCFRDisplayed edition2026-09-01Last updated2026-09-01 Subpart 31.20—Waters Operated Over Sections 31.20-1 § 31.20-1 Waters—TB/ALL. Previous 31.15 Subpart 31.15—Manning of Tank Vessels Next 31.25 Subpart 31.25—Load Lines