Information about Form SS-4, Application for Employer Identification Number, including recent updates, related forms, and instructions on how to file. Form SS-4 is used by sole proprietors, …

IRS Form SS-4 is the primary document used to request an EIN from the Internal Revenue Service. An EIN identifies your business entity for federal tax purposes, allowing you to file …

1 day ago · The IRS uses Form SS-4, Application for Employer Identification Number, to register new business entities for federal tax purposes. An Employer Identification Number (EIN) is a …

Nov 1, 2025 · Explore what IRS Form SS-4 is, why it's important, and how to fill it out correctly to get your Employer Identification Number (EIN).

Apr 25, 2025 · You can think of it as your company’s social security number. In order to know what your EIN is, you’ll need to file Form SS-4 with the IRS. Once the IRS has assigned an …

Aug 20, 2025 · Form SS-4 is an application for an Employer Identification Number (EIN), also known as a Federal Tax Identification Number, from the IRS. The IRS assigns a unique nine …

File Form SS-4 if the applicant entity doesn’t already have an EIN but is required to show an EIN on any return, statement, or other document.1 See also the separate instructions for each line …

Aug 13, 2025 · You may apply online or by using Form SS-4. In this article, we’ll go over SS-4 in depth, including how to complete and submit the form, frequently asked questions, and other …

Jul 16, 2025 · Form SS-4 is the application you fill out to get an employer identification number (EIN) from the IRS. You need this form when you're starting a new business, hiring your first …

Dec 6, 2025 · How to file Form SS-4 and get your EIN fast, avoid IRS delays, open business bank accounts sooner, and stay compliant with hiring and payroll rules.