tax exempt number(An identification number that is issued by a tax authority to indicate that a company is not required to pay sales tax); TIN(A 9-digit number used to identify an entity (company or person) for tax reporting purposes in the U.S. There are several different types of tax identification numbers, such as employer identification number (EIN), Social Security number (SSN), individual taxpayer identification number (ITIN), and adopted taxpayer identification number (ATIN)); VAT ID(A unique number governments issue to companies and citizens in order to track taxes paid on goods and services. VAT IDs in the European Union contain a country prefix followed by up to 12 digits or characters)
