Subpart 31.01 – General (ยงยง 31.01-1 – 31.01-20)
Subpart 31.05 – Certificates of Inspection (ยงยง 31.05-1 – 31.05-15)
Subpart 31.10 – Inspections (ยงยง 31.10-1 – 31.10-50)
Subpart 31.15 – Manning of Tank Vessels (ยงยง 31.15-1 – 31.15-10)
Subpart 31.20 – Waters Operated Over (ยง 31.20-1)
Subpart 31.25 – Load Lines (ยง 31.25-1)
Subpart 31.30 – Marine Engineering (ยง 31.30-1)
Subpart 31.35 – Electrical Engineering (ยงยง 31.35-1 – 31.35-5)
Subpart 31.36 – Lifesaving Appliances and Arrangements (ยง 31.36-1)
Authority:
33 U.S.C. 1321(j); 46 U.S.C. 2103, 3205, 3306, 3307, 3703; 46 U.S.C. Chapter 701; 49 U.S.C. 5103, 5106; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; E.O. 12777, 56 FR 54757, 3 CFR, 1991 Comp., p. 351; Department of Homeland Security Delegation No. 0170.1. Section 31.10-21 also issued under the authority of Sect. 4109, Pub. L. 101-380, 104 Stat. 515.