46 C.F.R. § 31.15-5 Tank barges—B/ALL.
Title 46 - Shipping
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]
Title 46: Shipping
PART 31—INSPECTION AND CERTIFICATION
Subpart 31.15—Manning of Tank Vessels
§ 31.15-5 Tank barges—B/ALL.

