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EIN application reference for OPT workers based in Romania
EIN12 min read

An EIN Guide for OPT workers from Romania

Applying for an Employer Identification Number (EIN) as an OPT worker in Romania? Understand the specific requirements, documentation, and application process for U.S. tax purposes.

Reviewed by , ITIN Specialist at itin.net.

Why OPT Workers in Romania Need a U.S. EIN

OPT workers in Romania face unique challenges when establishing a U.S. business presence. Unlike U.S. residents, you likely don't have a Social Security Number (SSN) readily available and may be navigating U.S. business regulations from afar. This complicates the standard EIN application process, which is designed with U.S. persons in mind. The IRS requires an Employer Identification Number (EIN) for most U.S. business structures, including LLCs and corporations, even if you are a non-resident. Without an EIN, you cannot open a U.S. bank account, hire employees in the U.S., or file U.S. business taxes. For OPT workers in Romania, securing an EIN is a critical first step to legally operate and manage a U.S.-based venture while abroad.

When an EIN is Required for OPT Workers

An EIN is mandatory if you are forming a U.S. LLC or corporation. Even if you are a sole proprietor operating a U.S. business, you will need an EIN if you plan to hire employees in the U.S. or if you are subject to excise taxes. For many OPT workers, the need for an EIN arises when setting up a U.S. LLC to facilitate business operations, secure funding, or meet platform requirements. Some online platforms or payment processors may also require an EIN for account verification, even if not strictly mandated by the IRS for your specific business structure. Confirming these requirements early can prevent delays.

Required Documents for Non-Residents

As a non-resident OPT worker applying for an EIN, you will need specific documentation. The primary document required is a completed IRS Form SS-4, Application for Employer Identification Number. You must also provide a valid passport of the responsible party. If you are forming a U.S. LLC or corporation, business formation documents such as Articles of Incorporation or Organization will be necessary. Crucially, you will need a U.S. business address. This can be a physical U.S. address or a mail forwarding service address. The IRS uses this address to mail your EIN confirmation letter. Ensure all documents are accurate and consistently reflect your legal name and business details.

The EIN Application Process for Non-Residents

The EIN application process for non-residents differs significantly from that for U.S. residents. Since you likely do not have an SSN, you cannot apply online through the IRS portal, which is designed for U.S. persons with SSNs. Instead, you must apply by fax or mail using Form SS-4. This process typically takes 3–5 weeks for the IRS to process. You will need to carefully complete Form SS-4, paying close attention to line 7b, where you must write 'Foreign' if you do not have an SSN or ITIN. The IRS will mail your EIN confirmation letter to the U.S. address provided on the application. It's essential to fill out the form accurately to avoid processing delays or rejections.

Common Mistakes for OPT Workers in Romania

OPT workers in Romania often encounter specific application pitfalls. A frequent error is attempting to apply online when the responsible party lacks an SSN or ITIN, leading to an automatic rejection. Another common mistake is incorrectly filling out line 7b of Form SS-4; it must explicitly state 'Foreign' if no SSN or ITIN is available, not left blank or filled with an irrelevant number. Mismatched legal names between your passport and business formation documents can also cause delays. Furthermore, using a personal Romanian address instead of a U.S. business address on Form SS-4 can lead to complications, as the IRS needs a U.S. mailing address for correspondence. Ensure your business entity type on Form SS-4 accurately reflects your U.S. business structure.

The Certified Acceptance Agent (CAA) Advantage

Applying for an EIN through a Certified Acceptance Agent (CAA) like itin.net offers distinct advantages for OPT workers based in Romania. As a CAA, itin.net can assist in verifying your identity and the accuracy of your application before submission to the IRS. This streamlines the process and significantly reduces the risk of common errors that lead to delays or rejections. While direct application via fax can take 3–5 weeks, using a CAA can expedite the process, sometimes to 3–5 business days, especially for non-resident applications. This service ensures your application meets IRS standards from the outset, providing peace of mind and faster access to your EIN.

Next Steps After Obtaining Your EIN

Once you receive your EIN confirmation letter from the IRS, you can proceed with establishing your U.S. business operations. The next crucial step is often opening a U.S. bank account using your new EIN and business formation documents. This allows you to manage your business finances effectively. Depending on your business structure and activities, you may also need to file specific U.S. tax forms, such as Form 5472 for U.S. LLCs with a single foreign owner. Review the specific tax obligations associated with your business entity and U.S. presence. For assistance with your EIN application or to understand your next steps, consider reviewing our pricing or contact us for personalized support.

Practical tips

  • Write 'Foreign' on line 7b of Form SS-4 if you do not have an SSN or ITIN; do not leave it blank or use another number.
  • Ensure the legal name on Form SS-4 exactly matches your passport and any business formation documents.
  • Use a U.S. mail forwarding service for your business address if you do not have a physical U.S. presence.
  • Double-check that the entity type selected on Form SS-4 accurately reflects your U.S. business structure (e.g., LLC, Corporation).
  • If you are unsure about any part of the Form SS-4, use the services of a Certified Acceptance Agent to ensure accuracy and speed up processing.

Frequently asked questions

Can I apply for an EIN online as an OPT worker in Romania?

No, you cannot apply for an EIN online if you do not have a Social Security Number (SSN) or Individual Taxpayer Identification Number (ITIN). The IRS online portal is restricted to U.S. residents. OPT workers in Romania must apply via fax or mail, or through a Certified Acceptance Agent (CAA).

How long does it take to get an EIN for non-residents?

For non-residents applying by fax or mail, the typical processing time is 3–5 weeks. Applying through a Certified Acceptance Agent (CAA) can significantly expedite this process, often reducing it to 3–5 business days.

What U.S. address do I need for the EIN application?

You need a U.S. business address for the EIN application. This can be a physical U.S. address or a U.S. mail forwarding service address. The IRS uses this address to send your EIN confirmation letter.

Do I need an ITIN to get an EIN?

No, an ITIN is not strictly required to obtain an EIN, especially if you are applying as a business entity. However, if you do not have an SSN, you must indicate 'Foreign' on line 7b of Form SS-4. If you have an ITIN, you can use that number.

What if my business is a U.S. LLC with me as the sole owner in Romania?

If you form a U.S. LLC with yourself as the sole owner and you are a non-resident without an SSN, you will need an EIN. You will also likely need to file Form 5472 annually to report transactions with the IRS. The EIN application process follows the non-resident guidelines.

Can itin.net help me open a U.S. bank account after getting my EIN?

Yes, after you obtain your EIN, itin.net can assist you with opening a U.S. bank account. Having an EIN is a prerequisite for most U.S. business bank accounts, and our services can guide you through that process as well.

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