Form SS-4-PR

Form SS-4-PR: Application for Employer Identification Number (Puerto Rico Version)

What is Form SS-4-PR?

Form SS-4PR is used to request an Employer Identification Number (EIN). The EIN is a nine-digit number assigned to sole proprietors, corporations, heirs, trusts, and other business entities to meet tax requirements. When applying for an EIN, applicants can obtain it at no cost through Different forms must be filed for each business entity, but a sole proprietor typically needs only one EIN. If an applicant does not receive the EIN by the filing date, they should use “Applied for” and the application date instead of a Social Security Number (SSN).

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IRS Form SS-4-PR – Who Needs to Fill It Out?

Form SS-4PR is used to request an Employer Identification Number (EIN). The form can be requested and received at no cost on for applicants in the United States, U.S. territories, and associated free states. Generally, sole proprietors need only one EIN for all their businesses, unless the sole proprietor incorporates or becomes a partnership. If you have not received the EIN yet, write “Applied for” and the date in the required space. Do not use your SSN in place of this. For the most up-to-date information, visit

Step-by-Step: Form SS-4-PR Instructions For Filling Out the Document

Follow these instructions to complete Form SS-4PR, the Application for Employer Identification Number (EIN). Visit for updated information on the form and its instructions. Use the form to request a nine-digit EIN (e.g., 12-3456789) used for tax accounting for sole proprietors, corporations, estates, trusts, and other business entities. Do not use your SSN when filing forms instead of your EIN. If you do not have an EIN, make a check or money order payable to the United States Treasury with your name, address, contribution type, corresponding tax period, and application date. A sole proprietor uses only one Form SS-4PR for a single EIN unless they incorporate as a partnership. You can request an EIN online at no charge.
Below, we present a table that will help you understand how to fill out Form SS-4-PR.

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Form Name Information Required Details
Form SS-4-PR Instructions for Form SS-4-PR Instructions for filling out Form SS-4-PR, used to request an Employer Identification Number (EIN) for businesses in Puerto Rico.

Do You Need to File Form SS-4-PR Each Year?

It is not necessary to file Form SS-4PR every year. The application allows you to obtain an Employer Identification Number (EIN) for free through The EIN will be used to establish a business tax account. If you have not received the EIN by the date when a tax deposit is due, then pay the Internal Revenue Service’s Service Center. When making the check or money order, be sure to include your name, address, contribution class, corresponding tax period, and the date you requested the EIN.

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Download the official IRS Form SS-4-PR PDF

On the official IRS website, you will find a link to download Form SS-4-PR. However, to make it easier for you, we are providing the link in our article, which comes directly from the official website! Click to download: Form SS-4-PR


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