SS-4 Form PDF: Download and Fill Guide
Download Form SS-4 PDF free from irs.gov. Fill 18 numbered fields, sign in wet ink on page 1, fax to 855-215-1627. The IRS returns the EIN in 4 to 7 business days at $0.
einnumber.co prepares the current PDF for you at $67 Standard or $97 Fast; you receive a copy by email.
Where do you download the SS-4 PDF?
Directly from irs.gov at irs.gov/forms-pubs/about-form-ss-4. The IRS hosts the current PDF free. The July 2026 current version carries revision date December 2023. Use the IRS-hosted copy; third-party mirrors may serve outdated field numbers. Downloads: $0. Instructions PDF: 6 additional pages, separate download.
Is the SS-4 PDF fillable?
Yes. The IRS-hosted PDF accepts text entry in all 18 numbered fields via Adobe Acrobat and most PDF readers. Save the filled version before closing. Some browser previews strip form fields; if fields appear empty, download and open in Adobe Acrobat. Digital signatures do not substitute for wet ink on fax filings.
How long is the SS-4 PDF?
2 pages total. Page 1 holds the 18 numbered fields and the signature block. Page 2 holds the Third Party Designee block and a summary of instructions. The separate IRS instructions publication runs 6 additional pages. Print both pages before signing; the IRS requires the full signature block on page 1.
What software opens the SS-4 PDF?
Adobe Acrobat Reader (free), Preview on macOS, all 3 major browsers (Chrome, Safari, Firefox), and most mobile PDF apps. 100 percent of Adobe versions since 2015 support the fillable form. If fields render as static text, download the PDF and open in Adobe Acrobat rather than in-browser preview.
| Reader | Cost | Fillable support |
|---|---|---|
| Adobe Acrobat Reader | Free | Full |
| Preview (macOS) | Free | Full |
| Chrome preview | Free | Partial |
| Safari preview | Free | Partial |
How do you fax the SS-4 PDF to the IRS?
Fax to 855-215-1627 for non-US applicants or 855-641-6935 for US-based entities. Include page 1 with 18 fields filled and the signature block signed. Cover page: optional; the IRS reads 1-page filings without cover. The IRS returns the EIN by return fax within 4 to 7 business days.
See the full fax route walkthrough at EIN by fax.
Does the SS-4 PDF need a wet signature?
Yes for fax and mail routes. The IRS requires a wet-ink signature in blue or black ink on the signature line below line 18. Digital signatures are not accepted for fax or mail. Online applicants at irs.gov skip this step; the tool captures agreement in the session. Unsigned faxes get returned unprocessed in 4 to 6 weeks.
What are the reference numbers for the SS-4 PDF?
Form current revision date December 2023. IRS fax 855-215-1627 non-US, 855-641-6935 US. Mail ZIP 45999. 60 valid EIN prefixes, 13 unassigned. Corporate rate 21 percent. Self-employment 15.3 percent. Social Security 12.4 percent. Medicare 2.9 percent. Additional Medicare 0.9 percent over $200,000. Backup withholding 24 percent. S-corp election 75 days. Classification lock 60 months. Form 5472 penalty $25,000. Form W-2 penalty $60 to $310 per form. Form 941 penalty 2 to 15 percent. Late 940 penalty 5 percent per month.
What else do people ask about the SS-4 PDF?
10 more questions about downloading, filling, and filing the PDF. The IRS hosts the current version free at irs.gov. Fax to 855-215-1627. Wet-ink signature required for fax and mail; digital signatures not accepted.
Where can I download the SS-4 form PDF?
Directly from irs.gov. The IRS hosts the current Form SS-4 PDF at irs.gov/forms-pubs/about-form-ss-4. The download costs $0. The IRS updates the form when field labels change; the July 2026 version carries revision date December 2023. Use the IRS-hosted PDF; third-party copies may show outdated field numbers.
Is the SS-4 form PDF fillable?
Yes, the IRS-hosted PDF is fillable in Adobe Acrobat and most PDF readers. All 18 numbered fields accept text entry. Fillable PDFs still require a wet-ink signature on the signature line; digital signatures are not accepted by fax or mail submissions. Print, sign in blue or black ink, then fax to 855-215-1627.
How long is the SS-4 form PDF?
2 pages. Page 1 carries all 18 numbered fields and the signature block. Page 2 carries the instructions summary and a Third Party Designee block. The IRS's official Form SS-4 instructions publication runs 6 additional pages separately. Print both pages before filing; the IRS requires the full signature block.
What software do I need to open the SS-4 PDF?
Any PDF reader. Adobe Acrobat Reader (free), Preview on macOS, most browsers (Chrome, Safari, Firefox), and mobile PDF apps handle the fillable version. Editable-PDF issues: some browser previews strip form fields; if fields appear empty, download and open in Adobe Acrobat. 100 percent of Adobe versions since 2015 support the fillable SS-4.
How do I fax the SS-4 form to the IRS?
Fax to 855-215-1627 for non-US applicants or 855-641-6935 for US-based entities. Include page 1 with all 18 fields filled and the signature block signed. Cover page: optional; the IRS reads 1-page filings without cover. Fax delivery confirmation ends at the IRS fax gateway; 0 return receipts issued.
Can I email the SS-4 form to the IRS?
No. The IRS accepts Form SS-4 through 4 channels: online tool, fax, mail, or phone. Email is not on the list. Attempted email submissions get discarded within 1 to 3 business days. Use fax to 855-215-1627 for the fastest non-online route: 4 to 7 business days to EIN.
Does the SS-4 PDF need to be printed to sign?
Yes for fax and mail. The IRS requires a wet-ink signature on the signature line below line 18. Print page 1, sign in blue or black ink, then scan or fax. Digital signatures are not accepted for fax or mail filings. Online applicants at irs.gov skip this step; the tool captures agreement in the session.
What if the SS-4 PDF fields do not save?
Save the filled version before closing. In Adobe Acrobat, use File → Save As after filling. Some browsers reset fields on refresh; download first, then open in Acrobat. If fields resist saving, print and fill by hand. 3 minutes of handwriting vs 15 minutes of PDF troubleshooting; hand-fill remains valid at the IRS.
Where do I find prior versions of the SS-4 PDF?
IRS Prior Year Forms and Instructions at irs.gov/prior-year-forms-and-instructions. The IRS archives Form SS-4 versions back to 1994. Only the current version is accepted for new filings; the July 2026 current version carries revision date December 2023. Prior versions serve reference and historical filings only.
How does einnumber.co use the SS-4 PDF?
einnumber.co prepares the current Form SS-4 for the customer based on submitted details, then faxes to 855-215-1627. Standard tier files within 5 business days at 67; Fast tier files within 24 hours at 97 with the IRS call included. Customer receives PDF copy of the filed form by email.