Certify your taxpayer ID (W-9)

Give a payer your taxpayer identification number so they can report what they pay you.

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Take your time

We are not a government agency. We help you understand and prepare. Give the completed W-9 to the person or business that asked for it (the payer). Do not send it to the IRS.

Where this is filed

Give the completed W-9 to the person or business that asked for it (the payer). Do not send it to the IRS.

What happens next

The payer keeps it and uses it to report what they pay you (e.g., Form 1099). There is no agency decision or approval.

Forms in this procedure

W-9 — Request for Taxpayer Identification Number and Certification ↗ · Internal Revenue Service (IRS)

Before you send it

I checked the form edition on the official pageEvery required page is included — nothing left outSigned and datedSupporting documents are attachedI kept a copy of everything I am sendingI checked on the official page whether a fee appliesI know who this goes to — see "Where this is filed" aboveI kept a record of when and how I sent it (receipt, confirmation number, or who I handed it to)

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