22 Miss. Code. R. 7-09-110
The following provisions are provided to address safety concerns and allow fishermen to have another individual on board in case of an emergency.
For commercial hook and line fishermen, if only two fishermen are aboard a vessel commercially harvesting Spotted Seatrout, one of the fishermen is not required to possess the Spotted Seatrout endorsement; however, that fisherman is required to possess an applicable commercial harvester's license. If two or more commercial hook and line fishermen possessing the Spotted Seatrout endorsement are aboard a vessel commercially harvesting Spotted Seatrout, all fishermen aboard the vessel are required to possess the Spotted Seatrout endorsement.
For net fishermen, the vessel must possess a vaild fishing boat license and if only two fishermen are aboard a vessel commercially harvesting Spotted Seatrout, one of the fishermen is not required to possess the Spotted Seatrout endorsement. If two or more net fishermen possessing the Spotted Seatrout endorsement are aboard a vessel commercially harvesting Spotted Seatrout, all fishermen aboard the vessel are required to possess the Spotted Seatrout endorsement.
22 Miss. Code. R. 7-09-110