Form W-9Information Returns (1099, W-9)
Request for Taxpayer Identification Number and Certification
Provides taxpayer identification number (TIN/SSN/EIN) to the business paying you, so they can issue Form 1099-NEC or 1099-MISC.
Who Files This Form
Independent contractors, vendors, and others providing services to a business
Due Date
Provided upon request from the paying business
Important Notes
Not filed with the IRS. Keep the completed W-9 in your records. Backup withholding may apply if TIN is missing or incorrect.
Related Forms
Official IRS Source
Always download the current version and instructions from the IRS website before filing.
Educational Reference Only: This is general information about Form W-9, not tax advice. Form instructions change annually. Always download the current version from irs.gov and read the official instructions. Consult a qualified tax professional for your specific situation. Read full disclaimer →