Mississippi Code Title 59. Ports, Harbors, Landings and Watercraft § 59-21-89

(1) It is unlawful for any person, other than a law enforcement officer on duty, to use or display oscillating or rotating blue lights on a vessel operating on the public waters of this state. Upon the approach of an authorized law enforcement vessel operating a strobe, rotating or oscillating blue light or giving audible signal by siren or both, the operator of a vessel shall yield the right-of-way and shall stop and remain in position until the authorized law enforcement vessel has passed, except when otherwise directed by a law enforcement officer.

(2) A person violating this section is guilty of a misdemeanor and, upon conviction, shall be punished by a fine of not less than One Hundred Dollars ($100.00) nor more than Five Hundred Dollars ($500.00).