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Internal Revenue Service (IRS) fax number
(855) 242-4481
Form SS-8 Determinations (Employment Tax) – SS-8 Processing/Determinations
Used for: Filing Form SS-8 for Determination of Worker Status
Fax destination details
- Department
- Form SS-8 Determinations (Employment Tax) – SS-8 Processing/Determinations
- Purpose
- Filing Form SS-8 for Determination of Worker Status
- Form
- SS-8 — Form SS-8, Determination of Worker Status for Purposes of Federal Employment Taxes and Income Tax Withholding
- Address
- Internal Revenue Service, Form SS-8 Determinations, P.O. Box 630, Stop 631, Holtsville, NY 11742-0630
- Voice phone
- 1-800-829-1040
- Website
- Visit organization website
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Instructions for Form SS-8 (Rev. 01/2024)
Review official form instructionsSources and verification
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