Office of Comptroller of the Currency: Commonly known as OCC, this is a federal agency charged with administration of federal banking regulations governing federally charted banks. Among its other duties, the OCC regulates payment instruments and Cards issued by these banks. Included in their regulations is the OCC Gift Card Guidance which provides the agency view regarding disclosure of Terms and Conditions and other information regarding gift cards issued by federal banks. The OCC also enforces AML Regulations.