This piece of code will enhance the standard VirtueMart EU VAT handing functionality by online check of the entered VAT ID towards the database of European Commission - Taxation and Customs Union registry. The communication between your site and EC VAT ID registry based on Web Services. If the connection to EC server fails, the validity is checked by confirming EU VAT ID format. When validation succeeds, no VAT is charged to customer as required by EU law.

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