This Extension for Magento fixes VAT check in Magento when a VAT with countrycode is given. (usual in EU) In Europe the VAT is called UID and we provide a fix for Magento with this Module. It uses the original VIES Service to validate the given VAT / UID.
It overrides the Customer class Mage_Customer_Helper_Data and checks if given VAT-Code has a Countrycode given or not.
It can be enabled by setting config "customer/create_account/vatfix_enabled" to true|false.
Link to our Blogpost in german: https://copex.io/blog/magento-uid-validierung/