The invention relates to a system and method of providing casinos an electronic means of accessing a database identifying individuals listed on a gambler's exclusion list created by a state's gaming commission. The invention provides a particularly efficient way for a casino to avoid incurring penalties by inadvertently cashing checks belonging to individuals on an exclusion or disassociated persons list. The invention allows the casino teller to run a check transaction while simultaneously determining if the individual is listed as a compulsive gambler by the state's gaming commission. The invention achieves these objectives by providing a host computer, a database residing with the host computer, a means for inputting data from a plurality of sources, and a microprocessor residing at the host computer. The database stores identification information and other inputted data about individuals, the database includes a status listing of disassociated check writers. The means for inputting data is in communication with the host computer. The microprocessor compares inputted data to the database and generates a response as a result of the comparison.