Form W–9 Instruction W–9 How Do I Know When To Use Form W-9? Use Form W-9 to request the taxpayer identification number (TIN) of a U.S. person (including a resident alien) and to request...
Use Form W-9 to request the taxpayer identification number (TIN) of a U.S. person (including a resident alien) and to request certain certifications and claims for exemption. (See Purpose of Form on Form W-9.)...
