Each officer employed upon any vessel subject to the provisions of this subchapter must have his or her license or merchant mariner credential on board and available for examination at all times when the vessel is operating.
46 C.F.R. §122.402
Each officer employed upon any vessel subject to the provisions of this subchapter must have his or her license or merchant mariner credential on board and available for examination at all times when the vessel is operating.
46 C.F.R. §122.402