Tellers verify the identity of customers and process requests for deposits to and withdrawals from patron accounts. They generate certified checks and money orders according to the specifications of customers. Some tellers exchange dollars for other currencies. Bank tellers answer questions about bank products and services and direct customers to other staff for more complex bank transactions. They must count cash in their drawers as they begin their shift and reconcile remaining cash at the end of their shift to account accurately for deposits and dispersals. Most tellers work in the branches of community and commercial banks. Some tellers work for credit unions. Bank tellers must safely and accurately handle customer funds by verifying identity and taking other actions to prevent errors or fraud.