IRS W-9 #
Paper: Letter (8.5in x 11in)
Copies to print: 1
Return to the requester. Do not send to the IRS.
- Employers may develop and use their own Form W-9 if its content is similar to the official IRS Form W-9 and it satisfies certain certification requirements.
- See certification requirements here.
This form is used to request taxpayer identification number of an employee or independent contractor and to request certain certifications and claims for exemption.
Internal Revenue Service
Business Tax Questions: (800) 829-4933
EFTPS Customer Service: (800) 555-4477