Specifies the contact's VAT registration number. This field is valid for companies only.

If the contact is integrated with a customer, vendor or bank account, this field is used when you conduct business with contacts from other EU countries/regions.

VAT Registration No. Validation

You can use an EU web service to verify that VAT registration numbers that you enter on customer, vendor, or contact cards are valid.

When you modify the VAT Registration No. field on a card where the value in the Country/Region Code field is an EU country/region, then the new VAT registration number and your user ID are logged in the VAT Registration Log window. To verify a VAT registration number, you can choose the DrillDown button next to the VAT Registration No. field to open the VAT Registration Log window and then start the verification function. For more information, see How to: Verify VAT Registration Numbers.

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