The state prosecutor has to prove beyond a reasonable doubt the defendant either: What the State Prosecutor has to Prove to Convict a Defendant When operating unlicensed outside of Chapter 551, it is illegal to do any of the following with a slot machine: Chapter 849, Chapter 550, and Chapter 551 govern gambling in Florida, and it is illegal to possess a slot machine outside the slot machine is not licensed under Chapter 551 of the Florida Statutes. This activity happens throughout Florida at either casinos operated on Indian land or under Chapter 551 of the Florida State Statutes. The gambler watches the spinning wheels with hope that they line up correctly so he can win a jackpot. Many of us have seen slot machines in gambling facilities where an individual puts in a coin and then pulls a lever.