Directory information, not recipient confirmation. Fax numbers can change and differ by department, location, form, or plan. Confirm this destination directly with Internal Revenue Service (IRS) before sending sensitive documents. FaxFlow is not affiliated with this organization.
Internal Revenue Service (IRS) fax number
(855) 234-2604
Small Business/Self-Employed (SB/SE)
Used for: Submission of Form SS-8 (Determination of Worker Status) and/or responses to IRS requests for additional information related to Form SS-8
Fax destination details
- Department
- Small Business/Self-Employed (SB/SE)
- Purpose
- Submission of Form SS-8 (Determination of Worker Status) and/or responses to IRS requests for additional information related to Form SS-8
- Form
- 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
- 800-829-1040
- Website
- Visit organization website
Before you send
- Confirm that this exact department handles your document or request.
- Check the organization website or call its main line for the current fax number.
- Include a cover sheet and any case, member, claim, or form reference required.
- Keep the delivery confirmation with your submission records.
Complete all questions in Parts I–IV of Form SS-8, attach additional sheets if needed, and sign/date; if filing for a class of workers, provide details for all affected workers; follow IRS filing directions (fax or mail).
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