About Form W-9, Request for Taxpayer Identification Number and . . . Information about Form W-9, Request for Taxpayer Identification Number (TIN) and Certification, including recent updates, related forms, and instructions on how to file Form W-9 is used to provide a correct TIN to payers (or brokers) required to file information returns with IRS
Form W-9 (Rev. October 2018) - Internal Revenue Service Part I Taxpayer Identification Number (TIN) Enter your TIN in the appropriate box The TIN provided must match the name given on line 1 to avoid backup withholding For individuals, this is generally your social security number (SSN) However, for a resident alien, sole proprietor, or disregarded entity, see the instructions for Part I, later For other entities, it is your employer
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