The City State ZIP (CSZ) table is used by Advantage to validate domestic addresses entered on the 1099 Reporting Information (1099I), 1099 Reported Income (1099R), and 1099 External Reported Income (1099ER) tables when the 1099_CITY_ST_ZIP_VALIDATION parameter on the Application Parameters (APPCTRL) table is Yes. The table is delivered with data acquired from the United States Postal Service (USPS). Records can be added, updated, or deleted on this table.