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VAT Validation: Configuration Module


Via the main menu Extras - Settings VAT ID the settings for the module VAT Validation are made. In these settings, you must also enter your VAT number for successful licensing (even if you do not actively use the module itself).

General Settings


Your VAT number is entered on the “General” tab. This number is also used to check for a valid license.

ID Validation Settings VAT General

If you have licensed more than one client, you can enter all VAT registration numbers using the “Additional VAT registration numbers” button.

ID Validation Settings VAT Multiple VAT IDs

The selection in the main window will be updated accordingly.

Please note that you only enter licensed VAT ID.

All numbers are checked and if a registered VAT number is not licensed, this is interpreted as an invalid license.

Interface Selection

You have the option to choose between the interface of the Federal Central Tax Office or the EU (VIES/MIAS). For customers with a German VAT number, we recommend using the BZSt interface.


Via the VAT Validation archive, we provide you with a function to meet the legal requirements of traceable storage of requests and responses. If the option is enabled, please still specify the appropriate directory in which all requests and responses will be stored. If you are subject to the legal requirements to store each request, please select a location that is regularly backed up and, if necessary, protected against modification by third parties. For this, please ask your IT department to configure such a storage location for you.

Please note that every request to the BzSt/VIES is saved. Even renewed attempts are stored and can quickly lead to an increase in the number of files.