PDF Forms

Fill Form SS-4

Fill out Form SS-4 to apply for an Employer Identification Number (EIN) for your business — sign and download, ready to fax or mail.

Rev. December 2025 · official IRS form

Form SS-4 · Application for Employer Identification Number

The official form opens in the editor with every field ready: the entity's name, address, responsible party, type of entity and reason for applying, then sign and download.

Official blank form from IRS.gov — MojoPDF is not affiliated with the IRS

Already have a SS-4 (partly filled in, or sent to you)? Use your copy instead:

Drop your copy of the form

or browse from your device — a PDF — partly filled is fine

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Fill out Form SS-4 online

Starting a business, hiring employees or opening a business bank account? You need an EIN, and Form SS-4 is the application. Start the official form here and it opens in the Mega AI Studio with every field ready — legal name, responsible party, entity type, reason for applying — then sign and download a PDF to fax or mail. Applicants outside the US often apply this way, since the IRS online application needs a US tax ID.

Official form

The current blank SS-4 published by the IRS.

Type into every field

Entity name, responsible party, entity type — click and type.

Sign and download

Add your signature and date, then download.

Frequently asked questions

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