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, …

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 …

If you're a small business owner or a solopreneur, at some point, you may need to fill out IRS form SS-4. We explain what it is, who needs one, & much more!

Find detailed instructions & comprehensive overview for Form SS-4 (2025) for free. Understand its importance and how to fill it out correctly.

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 …

For Privacy Act and Paperwork Reduction Act Notice, see separate instructions. Cat. No. 16055N Form SS-4 (Rev. 12-2023)

The IRS requires that a specific individual be listed as the designee. Please leave the designee’s name field blank on both the Authorization Statement and SS-4 application.

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 …