Form W-9
Request for Taxpayer Identification Number
Used to provide a correct TIN to payers who are required to file information returns with the IRS.
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About Form W-9 — Request for Taxpayer Identification Number
Form W-9 is requested by businesses, banks, and other entities who need your Taxpayer Identification Number (TIN) before making payments to you. Freelancers and independent contractors complete W-9s for every client paying them $600 or more in a calendar year — the payer then uses the W-9 information to prepare and send a Form 1099-NEC at year-end. Banks request W-9s when opening accounts to report interest income. The W-9 is never filed with the IRS directly; it is retained by the requester. Ensure the TIN on your W-9 exactly matches your Social Security card or EIN confirmation letter to avoid backup withholding.
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Form W-9 is an official form published by IRS. Official source
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Employee's Withholding Certificate
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Miscellaneous Information
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Employer's Quarterly Federal Tax Return
Filed by employers quarterly to report income taxes, Social Security tax, and Medicare tax withheld from employee wages.