A wholesale and/or retail check out station system includes a biometric finger print reader and storage for reading and storing biometric data of employees having access to the cash registers of the check out stations in the system. Authorization to use a cash register in the system is programmed into the microprocessor in the system, limiting use of a cash register to authorized employees. Employees are identified by finger print using biometric technology. Limitations of use is extended to access to operate particular cash register(s); handling returned merchandise at a cash register; refunds on returned purchases require authorization of the manager and the cashier; cashing checks at a cash register, where the limitation includes only cashing of employer drawn payroll checks of employees; and, clearing errors made in tabulations at a cash register. Unauthorized persons attempting to gain access to cash registers to which they are not authorized serves to activate an alarm.