I'm creating a client and it says the VAT Number (NIF) is invalid. What should I do?

If you get an error saying the VAT Number (NIF) is invalid when creating a client, there are two possible causes.

🔍 Possible causes

  1. The selected country doesn't match the VAT Number (NIF). The country selected next to the VAT Number (NIF) field must be the client's country and the country of the VAT Number (NIF) you're entering. For example, if your client's VAT Number (NIF) is Portuguese, choose Portugal in the country field next to the VAT Number (NIF).
  2. The VAT Number (NIF) has a wrong digit. If the country is correct and you still get the error, check the digits of the VAT Number (NIF).

✅ Why does this happen?

InvoiceXpress validates both Portuguese and foreign VAT Numbers (NIF). If you enter a VAT Number (NIF) with a wrong digit, the error is expected: it means the VAT Number (NIF) isn't valid.

💡 Tip: start by checking the country next to the VAT Number (NIF) field, and only then review the digits.

💬 Frequently asked questions

❓ The VAT Number (NIF) is Portuguese and I still get an error. What should I check?

Make sure the country next to the VAT Number (NIF) field is Portugal. If it is, review the digits of the VAT Number (NIF), because one may be wrong.

❓ Does InvoiceXpress validate foreign VAT Numbers (NIF)?

Yes. It validates Portuguese and foreign VAT Numbers (NIF), so choose the country that matches the VAT Number (NIF) you're entering.

❓ What does the invalid VAT Number (NIF) error mean?

It means the VAT Number (NIF) you entered isn't valid for the selected country, either because the country doesn't match the VAT Number (NIF) or because the VAT Number (NIF) has a wrong digit.

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