(a)The person in command of a documented vessel must have on board that vessel the original Certificate of Documentation currently in effect for that vessel.
(b)The requirement of paragraph (a) of this section does not apply:
(1)To non-self-propelled vessels not engaged in foreign trade;
(2)When the Certificate of Documentation has been submitted to the National Vessel Documentation Center for exchange in accordance with § 67.167 (d) or (e); or
(3)When the vessel is in storage or out of the water.