Form SS-4
IRS title for this form number: “Application for Employer Identification Number”. Other rows in this family carry slightly different titles, listed verbatim below.
4 records in this family: 2 Form rows, 2 Instruction rows, 2 other-language rows. Every link below goes to the IRS’s own PDF for that record.
Form
| Record id | Product number | Title | Revision date | Posted date | Language / edition | IRS copy |
|---|---|---|---|---|---|---|
| Form SS-4 | Form SS-4 | Application for Employer Identification Number | Dec 2025 | 12/22/2025 | English | Open the IRS copy |
| Form SS-4 (sp) | Form SS-4 (sp) | Application for Employer Identification Number (EIN) (Spanish Version) | Dec 2025 | 01/12/2026 | Spanish | Open the IRS copy |
Instructions
| Record id | Product number | Title | Revision date | Posted date | Language / edition | IRS copy |
|---|---|---|---|---|---|---|
| Instruction SS-4 | Instruction SS-4 | Instructions for Form SS-4, Application for Employer Identification Number (EIN) | Dec 2025 | 12/23/2025 | English | Open the IRS copy |
| Instruction SS-4 (sp) | Instruction SS-4 (sp) | Instructions for Form SS-4, Application for Employer Identification Number (EIN) (Spanish Version) | Dec 2025 | 01/12/2026 | Spanish | Open the IRS copy |
Other-language versions are inside the tables above, each with its own link: Form SS-4 (sp), Instruction SS-4 (sp). They are also collected on the other-languages page.
Source: IRS listing, retrieved September 2026. Record ids: Form SS-4, Form SS-4 (sp), Instruction SS-4, Instruction SS-4 (sp).
Every revision date, posted date, title and PDF link above is copied from the row with that record id in the listing, unchanged.
Full listing: IRS, ‘Forms, instructions and publications’.
Where this form number sits
These links are other pages on this site, built from the same listing. They are navigation, not advice.