22 Miss. Code. R. 7-05-100
It shall be unlawful for commercial or recreational fishermen to possess fish with heads, tails or flesh removed until delivered to the final destination; however, fish may be eviscerated, scaled or have gills removed. Any charter or recreational fishing boat fishing outside the state's waters in the Gulf of Mexico over twenty-four (24) hours before returning to land and filing a float plan with the Department of Marine Resources may possess filleted fish in Mississippi waters. Said fioat plan must be received and filed with the Department of Marine Resources prior to departure and during the regular operating hours between 8:00 a.m. and 5:00 p.m., Monday through Friday, and a copy of which must be on board said vessel for the duration of the trip. Said float plan must be submitted on forms provided by the Department of Marine Resources signed by the applicant and official accepting the float plan; and will contain the following information:
22 Miss. Code. R. 7-05-100