The vendor tax identifier is a unique identifier for the VAT code. Identifies sales-related taxes, such as VAT, fees, duties, input tax, or packaging tax.

The vendor identifier IDFV is a code assigned by the developer to the application. All applications belonging to this developer on your device have the same IDFV. Apps from the same developer on the same device have the same IDFV value.

Select the number of fields on the VAT report that contain taxable sales. Each VAT report contains numbered units for reporting to different authorities. These reports contain the VAT code in the cell indicated in this field.