(a) If the vessel is moored, no person may transfer to or from a portable tank or IBC a product with a flashpoint of less than 300 °F unless the person in charge displays a—

(1) Red flag by day; and

(2) Red electric lantern by night.

(b) If the vessel is at anchor, no person may transfer to or from a portable tank or IBC a product with a flashpoint of less than 300 °F unless the person in charge displays a red flag.

(c) The signal required in paragraphs (a) and (b) of this section must be visible on all sides of the vessel.

[CGD 73-172, 39 FR 22954, June 25, 1974, as amended by USCG-2011-0088, 78 FR 54787, Sept. 6, 2013]


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