46 CFR § 31.15-5
Tank barges—B/ALL
April 15, 2021
Tank barges subject to the provisions of this subchapter need not be manned unless, in the judgment of the Officer in Charge, Marine Inspection, such manning is necessary for the protection of life and property and for the safe operation of the vessel.
[CGD 81-059, 54 FR 151, Jan. 4, 1989]