1. Employees are required to take vacations. 2. 3. Blank checks are locked in a safe. Each month, the assets on hand are compared to the accounting records by an internal auditor. 4. Only one employee operates each cash register. 5. A prenumbered shipping document is prepared for each shipment of goods to customers. 6. A different individual is responsible for ordering supplies than the person who processes the payment for the supplies. :: Human resource controls :: Physical controls :: Segregation of duties :: Documentation procedures :: Establishment of responsibility :: Independent internal verification