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Docs  /  NCT Tax (NAV)  /  VAT Reg. No. Verification  /  Quick Guide


2022/05/23 • 1 min. to read
Verification of the VAT Reg. No. for customers, vendors and contacts is possible via the VIES VAT number validation service directly in Microsoft Dynamics NAV. You must first set up the basic Information, before you can use the Verification. The setup must be performed in the VAT Reg. No. Verification Setup window. Choose the Verification Type in the General section. Click on the Action Update Service URL to set the Service URL.

Additional Setup

The following functions are available for further setup via the actions in the System menu group:
  • Create Permissions With this function the NCT-VNV-EDIT (for administration) and the NCT-VNV (for usage) Permission Sets can be created or updated.
  • Verify VAT Reg. No. – Customers/Vendors/Contacts You can use the function to verify customers, vendors or contacts in one run.


A NAVAX AddOn can be tested or used free of charge for 30 days after installation. After that the functions of the extension can only be used with a valid registration. The current registration status of the NAVAX AddOn is displayed in the System group. For more information, see Anhang, NAVAX Registration.

See also

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