Table of Contents OverviewVIES Validation through Official APIVAT Field OptionsVAT Validation at CheckoutConfiguring VAT and Tax ExemptionsVIES TimeoutsUseful Code SnippetsOverview # B2BKing introduces a system through which companies can provide their VAT number during registration or checkout. The VAT number can be required or not required depending on the customer's country. For EU customers, it […]