TTEPDT_USITEM_COM_DATA is a standard SAP Structure so does not store data like a database table does. It can be used to define the fields of other actual tables or to process "US Tax Interface : Communication Structure for Tax Calc." Information within sap ABAP programs. This is done by declaring abap internal tables, work areas or database tables based on this Structure. These can then be used to store and process the required data appropriately. i.e. DATA: wa_TTEPDT_USITEM_COM_DATA TYPE TTEPDT_USITEM_COM_DATA.
The TTEPDT_USITEM_COM_DATA table consists of various fields, each holding specific information or linking keys about US Tax Interface : Communication Structure for Tax Calc. data available in SAP. These include DIVISION (Business Area/Division Code), COUNTRY (Tax Departure Country), DOC_NUMBER (Document No.), POS_NO (Tax document item number)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .