Form W-9: Request for Taxpayer Identification Number and Certification
- Product number
- Form W-9
- Title
- Request for Taxpayer Identification Number and Certification
- Type
- Forms
- Issuing body
- Internal Revenue Service (irs.gov)
- Revision (per IRS index)
- Mar 2024
The number, title, and revision date above are reproduced verbatim from the
official IRS
index (captured July 2026). Newer revisions may exist — check irs.gov. This page adds
no instructions or commentary. Not tax or legal advice.