Ala. Code § 9-12-54.3
Each live saltwater bait licensee shall furnish the Marine Resources Division of the Department of Conservation and Natural Resources with the Alabama Marine Police registration number of the boat or boats designated as a live bait catcher boat and the license tag number of the truck or trucks he or she designates to use to transport bait. Boats designated by live saltwater bait dealers as a live bait catcher boat shall not be licensed as commercial shrimping vessels thereafter in that license year. A live saltwater bait licensee shall not substitute another boat or truck without first having the boat or truck inspected and approved by the Marine Resources Division of the Department of Conservation and Natural Resources. Each live bait catcher boat and transport truck shall contain the words "live bait" in letters at least six inches high on the port and starboard sides and the operator of the boat or truck shall have a copy of the licensee's live saltwater bait dealer's license in his or her possession.
All bull minnow traps in possession on board a boat on the waters of Alabama or in use by a licensed saltwater live bait dealer shall be marked with the Alabama boat registration number.
Ala. Code § 9-12-54.3 (1975)