33 CFR 156.160 : Navigation And Navigable Waters (§ 1.01-1 To Parts 404-499) — (§ 125.01 To Parts 188-199) — Coast Guard, Department Of Homeland Security (Continued) (§ 125.01 To Parts 188-199) — Pollution (§ 151.01 To § 159.321) — Oil And Hazardous Material Transfer Operations (§ 156.100 To § 156.420) — Oil And Hazardous Material Transfer Operations (§ 156.100 To § 156.170) — Supervision by person in charge.

(a) No person may connect or disconnect a hose, top off a tank, or engage in any other critical procedures during the transfer operation unless the person in charge, required by § 156.120(s), supervises that procedure.

(b) No person may start the flow of oil or hazardous material to or from a vessel unless instructed to do so by either person in charge.

(c) No person may transfer oil or hazardous material to or from a vessel unless each person in charge is in the immediate vicinity and immediately available to the transfer personnel.