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Illustration for an EIN article aimed at OPT workers based in Serbia
EIN15 min read

How OPT workers from Serbia Get an EIN

OPT workers in Serbia need an EIN for U.S. business operations. Learn the specific requirements, application process, and common pitfalls for obtaining your U.S. Employer Identification Number.

Reviewed by , ITIN Specialist at itin.net.

Why OPT Workers in Serbia Face Unique EIN Challenges

OPT workers in Serbia often encounter specific hurdles when applying for an Employer Identification Number (EIN) due to their non-resident status and the complexities of U.S. business registration. Unlike U.S. residents who can apply online and receive an EIN in minutes, non-residents, particularly those in Serbia, must navigate a more involved process. This typically involves faxing Form SS-4 to the IRS, which extends processing times significantly. Furthermore, the absence of a U.S. Social Security Number (SSN) or Individual Taxpayer Identification Number (ITIN) for many OPT workers at the time of application adds another layer of complexity. Understanding these differences is the first step toward a successful application.

When OPT Workers in Serbia Need an EIN

An EIN is a federal tax identification number required for U.S. businesses. For OPT workers operating a U.S. business, an EIN becomes necessary under several circumstances. The most common trigger is opening a U.S. bank account for business purposes. Many U.S. banks require an EIN to open an account, even for non-resident business owners. Additionally, if you plan to hire employees within the U.S. or need to file U.S. business taxes, an EIN is mandatory. Certain online platforms or payment processors may also require an EIN to operate a U.S.-based business entity, such as a U.S. LLC. If your business structure or operational requirements necessitate these actions, obtaining an EIN is a critical step.

Required Documents for EIN Application

To apply for an EIN, you will need specific documentation. The core document is IRS Form SS-4, Application for Employer Identification Number. This form requires detailed information about your business, including its legal name, trade name, business address, and the responsible party's identifying information. As a non-resident applicant from Serbia without an SSN, you must indicate 'Foreign' on line 7b of Form SS-4. You will also need a copy of your passport, which serves as identification for the responsible party. If you have formed a U.S. business entity, such as a U.S. LLC, you will need to provide your business formation documents, like the Articles of Organization. A U.S. business address is also typically required; this can be a physical address or a mail forwarding service if you do not have a U.S. presence.

The EIN Application Process for Non-Residents

The process for obtaining an EIN as a non-resident OPT worker in Serbia differs significantly from the online method available to U.S. residents. Since you likely do not have an SSN, you cannot use the IRS online EIN application portal. Instead, you must complete Form SS-4 and submit it to the IRS via fax or mail. Fax submissions are generally faster, with estimated processing times of 3–5 weeks. The IRS will review your application and, if approved, will issue your EIN via fax or mail. This extended timeline is a key difference compared to the near-instantaneous online application for U.S. residents. It is essential to fill out Form SS-4 accurately to avoid delays or rejections.

Common Mistakes for OPT Workers in Serbia

OPT workers in Serbia applying for an EIN often make specific errors due to their unique situation. A frequent mistake is attempting to use the online application system, which requires an SSN and will fail for foreign applicants without one. Another common pitfall is incorrectly filling out line 7b of Form SS-4; it should state 'Foreign' if you do not have an SSN or ITIN, not leave it blank or enter irrelevant information. Mismatched information between your passport and the business formation documents can also cause delays. Lastly, providing an invalid U.S. business address or no address at all can lead to application rejection. Careful attention to these details is vital.

The Certified Acceptance Agent (CAA) Advantage

Applying for an EIN through a Certified Acceptance Agent (CAA) like itin.net can streamline the process for OPT workers in Serbia. As a CAA, itin.net can assist you in preparing and submitting Form SS-4 to the IRS on your behalf. This service can be particularly beneficial if you are unfamiliar with U.S. tax forms or wish to expedite the process. While the IRS still handles the final issuance of the EIN, a CAA can ensure your application is complete and correctly submitted, potentially reducing processing times compared to direct faxing. This path offers a guided experience, leveraging expertise to navigate the complexities of non-resident EIN applications. The typical timeline via a CAA can be faster than direct faxing, often within 3–5 business days for expedited service.

Next Steps After Obtaining Your EIN

Once you have successfully obtained your EIN, you can proceed with your business activities. The most immediate next step for many OPT workers is opening a U.S. bank account. With your EIN and business formation documents, you can approach banks like Mercury, Relay, or Brex to establish your business finances. If your business involves certain types of transactions or ownership structures, you may also need to file additional forms, such as Form 5472 for reporting with a U.S. LLC. Regularly review your business tax obligations to ensure compliance. For personalized assistance with your EIN application or to explore our services, you can review itin.net pricing or contact us directly.

Practical tips

  • Clearly indicate 'Foreign' on line 7b of Form SS-4 if you do not possess an SSN or ITIN; this is crucial for non-resident applicants.
  • Ensure the legal name and address on Form SS-4 precisely match your passport and any U.S. business formation documents.
  • If you require a U.S. business address for the application, consider using a reliable mail forwarding service that can handle official IRS correspondence.
  • Double-check all fields on Form SS-4 for accuracy before submitting, as errors can lead to significant processing delays or rejection.
  • Understand that the IRS processing times for non-residents are longer than for U.S. residents; factor this into your business planning.

Frequently asked questions

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

No, as an OPT worker in Serbia without a U.S. Social Security Number (SSN), you cannot use the IRS online EIN application portal. You must apply using Form SS-4 via fax or mail.

How long does it take to get an EIN as a non-resident from Serbia?

Processing times for non-residents applying via fax typically range from 3–5 weeks. Using a Certified Acceptance Agent (CAA) might expedite this to 3–5 business days, though the IRS ultimately controls issuance times.

What is considered a 'responsible party' for Form SS-4?

The responsible party is the individual who ultimately owns or controls the entity, or who is responsible for the management and direction of the entity and its funds. For a sole proprietorship, it is the owner; for an LLC, it is typically a member or manager.

Do I need a U.S. business address to get an EIN?

Yes, a U.S. business address is generally required on Form SS-4. This can be a physical location, a PO Box (though less preferred), or a mail forwarding service address. A foreign address is not sufficient for the business location field.

Can I use my ITIN instead of an SSN on Form SS-4?

Yes, if you have an ITIN, you can use it on line 7b of Form SS-4. If you do not have either an SSN or an ITIN, you must write 'Foreign' in that field.

What happens if my EIN application is rejected?

If your EIN application is rejected, the IRS will typically notify you of the reason. You will need to correct the errors on Form SS-4 and resubmit the application. Common reasons for rejection include incomplete information, mismatched names, or incorrect entity type selection.

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