No person may transfer an inflammable or combustible product to or from a vessel unless--
(a) The portable tank or IBC and its pumping equipment is electrically grounded to the hull of the vessel; and
(b) The vessel is electrically grounded to an offshore platform, shore piping, or another vessel by a--
(1) Cargo hose constructed with an integral grounding wire if the end connections are used for electrical continuity; or
(2) Separate grounding that is maintained until the cargo hose is disconnected and drained. [CGD 73-172, 39 FR 22954, June 25, 1974. Redesignated and amended by USCG-2011-0088, 78 FR 54785, 54787 Sept. 6, 2013]