Some of these people still go back to the casinos and still lose large amounts of money. The self-exclusion is irrevocable and cannot be altered or rescinded for any reasonduring the time period elected on the form. The casinos in turn have the person sign a voluntary trespass form and the individuals get put on a list. In Arizona, casinos have a self-exclusion process in place where people who have a gambling problem can inform the casinos of their problem and request to be banned. The Problem with the Self-Exclusion Process in Arizona Casinos