United States · IRS
Form SS-4 — Application for Employer Identification Number (EIN)
Form SS-4 is used to apply for an EIN — the federal tax ID for businesses, estates, trusts and other entities.
Fill SS-4 now — free to try
Filled entirely on your computer. Your SSN and personal details are never uploaded.
Who needs SS-4?
New businesses, LLCs, partnerships, non-profits, estates and trusts that need a federal tax identification number.
How to fill it with DocsArc
- Open SS-4 in the DocsArc workspace with one click above.
- Click any field and type — form fields are detected automatically, and you can add text anywhere.
- Sign it if needed: draw, type or upload your signature, with an automatic date line.
- Save or print. The finished PDF never left your computer.
Frequently asked questions
Is there a faster way than mailing SS-4?
U.S.-based applicants can usually get an EIN immediately through the IRS online assistant; the paper form suits international applicants or record-keeping.
Always verify you have the current version: official IRS page
This U.S. federal form is in the public domain. DocsArc is an independent tool and is not affiliated with IRS.