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Official form guide
IRS Form SS-8 (sp) is used to obtain a worker‑status determination for employment and federal income‑tax withholding purposes. Companies and workers file it. Workers covered by a Section 218 agreement remain subject to Social Security and Medicare taxes regardless of the determination.
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IRS Form SS-8 (sp) is used to obtain a worker‑status determination for employment and federal income‑tax withholding purposes. Companies and workers file it. Workers covered by a Section 218 agreement remain subject to Social Security and Medicare taxes regardless of the determination.
Plain English
The SS‑8 (sp) asks the IRS to decide if a worker is an employee or an independent contractor. It helps both the business and the worker understand tax responsibilities. The form gathers facts about the job and any changes in the work relationship. It can also cover service‑provider or vendor situations.
Submission Date
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Glossary Terms
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Amending a prior year’s tax return after SS‑8 determination
Amendment allows you to claim refund once employment status is settled
✓ Confirm the protective claim language is included
Authorizing a representative to act on your behalf
Power of attorney enables representation for the SS‑8 request
✓ Verify line 3 includes “Impuesto sobre el trabajo”, “SS‑8” and years
Downloading the form online
Provides the official questionnaire for employment status
✓ Confirm the revision date reads 12‑2023
Not stated in the official source.
Checklist
Signature line
Taxpayer’s handwritten signature and date · Form SS‑8 signature block
Case number
IRS‑assigned case number (if previously assigned) · Top of Form SS‑8
Worker’s name and SSN
Taxpayer’s name and Social Security Number · Identification section of Form SS‑8
Employer information
Employer name and address · Employer section of Form SS‑8
Request for determination text
Written request (optional) · Explanation section of Form SS‑8
Field map
General Info
2 items
Full legal name and taxpayer identification number (SSN or EIN).
Current mailing address.
Details
2 items
Complete all applicable sections of this form according to the official IRS instructions.
Enter the relevant dollar amount if this form involves tax calculation.
Certification
1 items
Read and acknowledge any certifications required by this form.
Signatures
1 items
Sign and date. Unsigned forms cannot be processed.
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Fillable formOpen in Editor->Form SS‑8 (Rev 12‑2023) is the current edition; the instructions direct users to www.irs.gov/FormSS8SP for the latest information.
Quick Facts
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Can I use a stamped signature?
The form requires a handwritten signature
→ Check the signature instructions on page 2
Do I need to pay a fee?
Instructions state there is no charge
→ Confirm fee‑free status in the instructions
Where do I mail the form?
Mailing address is not listed in the excerpt
→ Visit IRS.gov/FormSS8SP for the current mailing address
Do I need to attach Form 2848 for representation?
Form 2848 is only needed if you authorize a representative
→ Include Form 2848 only when representation is required
Should I file a protective claim with Form 1040‑X?
Protective claim is optional for amending prior years
→ Attach Form 1040‑X with the specified language if needed
Can I request a language preference on this form?
Language preference is handled via the LEP annex (Form 1040)
→ Use Form 1040 LEP annex instead for language changes
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The SS‑8 (sp) asks the IRS to decide if a worker is an employee or an independent contractor. It helps both the business and the worker understand tax responsibilities. The form gathers facts about the job and any changes in the work relationship. It can also cover service‑provider or vendor situations.
Employers (companies) and workers file IRS Form SS-8 (sp) to request a worker‑status determination.
The form gathers the worker’s identifying information, job details, and, in Part IV, any significant changes in the work relationship; Part V collects information about service‑provider or vendor activities.
If you seek a determination for a specific worker, complete the form with that worker’s details. For a class of workers, attach a list of names, addresses, and SSNs if available. Answer Part IV about any significant changes in the employment relationship and Part V if the worker provides services directly to customers or is a vendor. Submit the completed form to the IRS for processing.
The form requires a handwritten signature Check the signature instructions on page 2
Instructions state there is no charge Confirm fee‑free status in the instructions
Mailing address is not listed in the excerpt Visit IRS.gov/FormSS8SP for the current mailing address
Form 2848 is only needed if you authorize a representative Include Form 2848 only when representation is required
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