what is vat number
From Wikipedia, the free encyclopedia. A value added tax identification number or VAT identification number (VATIN) is an identifier used in many countries, including the countries of the European Union, for value added tax purposes.1 digit number followed by V, to indicate VAT TIN (or by C to indicate CST TIN). First two digits identify the state where the registration is done, e.g. 27 indicates State of Maharashtra. The system was introduced with effect from 2006-04-01.