FTCHECK 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 "Foreign Trade: Import Simulation - Ctrl Fields for Pricing" 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_FTCHECK TYPE FTCHECK.
The FTCHECK table consists of various fields, each holding specific information or linking keys about Foreign Trade: Import Simulation - Ctrl Fields for Pricing data available in SAP. These include FT_PHAR (Control field for pharmaceut. products check during pricing), FT_AUSS (Control field for customs exemption check during pricing), FT_PREF (Control field for preference check during pricing), FT_DRIT (Control field for third-country check during pricing)... 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. .