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Illustration for an EIN article aimed at Substack writers based in Romania
EIN15 min read

How Substack writers from Romania Get an EIN

Romanian Substack writers need a U.S. EIN for business operations. Learn the specific requirements, application process, and common pitfalls for obtaining yours.

Reviewed by , ITIN Specialist at itin.net.

Why Romanian Substack Writers Need an EIN

Substack writers based in Romania face a unique challenge when their earnings necessitate a U.S. Employer Identification Number (EIN). Unlike U.S. residents who can often apply online, non-residents, particularly those without a Social Security Number (SSN) or Individual Taxpayer Identification Number (ITIN), must follow a different, more complex process. This often involves applying by fax or through a Certified Acceptance Agent (CAA). The primary trigger for needing an EIN is often related to payment processors or U.S. business banking requirements. Stripe, a common platform for Substack payouts, may require an EIN for tax reporting purposes, especially as earnings grow or if Stripe needs to issue a Form 1099-NEC or 1042-S. Without an EIN, these platforms might withhold taxes at a higher rate or even suspend payouts. Furthermore, if a writer plans to establish a formal U.S. business entity, such as a U.S. LLC, to manage their Substack income, an EIN is mandatory for opening a U.S. bank account and for filing U.S. business taxes. The distinction for Romanian writers lies in the lack of a U.S. SSN, which complicates the standard online application, and the need to navigate international submission methods and potentially U.S. tax treaty implications.

When You Need an EIN as a Substack Writer in Romania

An EIN is generally required for Substack writers in Romania when U.S. tax or financial regulations necessitate a federal tax identification number. The most common trigger is payment processing. If your Substack earnings are substantial enough that your payment processor, like Stripe, requires a U.S. tax ID for reporting to the IRS, you will need an EIN. This is particularly true if you are operating as a sole proprietor and the IRS requires you to have a business tax ID. For non-U.S. persons, this often means needing to file IRS Form SS-4 to obtain the EIN. Another common scenario is establishing a U.S. entity, such as a U.S. LLC, to receive your Substack income. This entity will require an EIN for tax filings and to open a U.S. business bank account. While some writers might initially operate without one, failing to obtain an EIN when required can lead to higher tax withholding rates by payment platforms, penalties for non-compliance with U.S. tax law (like Form 5472 if you form a U.S. entity), or difficulties in accessing U.S. financial services. The Romania-U.S. tax treaty may offer benefits, but it does not negate the requirement for a U.S. tax ID when U.S. business activities or reporting obligations arise.

Required Documents for EIN Application

To apply for an EIN as a non-resident Substack writer from Romania, you will primarily need to complete IRS Form SS-4, Application for Employer Identification Number. This form requires detailed information about your business activities and the responsible party. For non-residents who do not have an SSN or ITIN, line 7b of Form SS-4 should be answered with 'Foreign'. You will also need a valid government-issued identification document for the responsible party, typically a passport. While not always explicitly required for the EIN application itself, having foundational business documents is good practice. If you are forming a U.S. entity, this would include your formation documents (e.g., Articles of Incorporation or Organization) and your Operating Agreement for an LLC. A U.S. business address is also a critical component; this can be a physical address or a mail forwarding service address. Ensure all documentation is accurate and consistent, as discrepancies can lead to delays or rejections. The IRS requires the responsible party to be an individual, not another entity.

The EIN Application Process for Non-Residents

Applying for an EIN as a non-resident from Romania involves a process distinct from the online application available to U.S. residents with SSNs. The most common method for non-residents is to submit Form SS-4 by fax or mail directly to the IRS. After completing the form, you would fax it to the appropriate IRS number for international applicants. Processing time for faxed applications can range from 3 to 5 weeks, although this can fluctuate based on IRS workload. Once the IRS processes your application, they will mail your EIN confirmation letter (CP-575) to the address listed on Form SS-4. Alternatively, you can apply via telephone if you are outside the U.S. and have someone already in the U.S. who can call the IRS on your behalf; however, this method is often less practical for non-residents. The IRS typically assigns the EIN during the call but will still mail the confirmation letter. For a faster process, especially if you need the EIN urgently, utilizing a Certified Acceptance Agent (CAA) is an option. A CAA can verify your documentation and submit the application on your behalf, often resulting in receiving your EIN within a few business days. The IRS assigns the EIN, not the CAA.

Common Application Mistakes for Romanian Substack Writers

Romanian Substack writers often encounter specific errors when applying for an EIN. A frequent mistake is incorrectly filling out line 7b of Form SS-4. If you do not have an SSN or ITIN, you must write 'Foreign' in this field, not leave it blank or enter other information. Another common pitfall is attempting to use the online application portal, which is designed for individuals with an SSN or ITIN and will likely fail for non-residents. Ensure your legal name and business name are entered exactly as they appear on your identification and any other official documents. Mismatched names are a common reason for application rejection. For writers establishing a U.S. entity, selecting the incorrect business structure on Form SS-4 can lead to compliance issues later. Always double-check that the 'responsible party' listed on the form is an individual who is a U.S. person or a foreign person with an ITIN/SSN, and not an entity. Using a P.O. Box as your business address can also cause issues; a physical U.S. address or a mail forwarding service is generally preferred. Finally, ensure you are using the correct fax number for international applicants to avoid delays.

Benefits of Using a Certified Acceptance Agent (CAA)

Engaging a Certified Acceptance Agent (CAA) offers significant advantages for Substack writers in Romania seeking an EIN. As a CAA, itin.net can verify your identification documents and the information provided on Form SS-4 before submission to the IRS. This pre-verification process helps to catch potential errors or inconsistencies that could otherwise lead to delays or outright rejection of your application. The primary benefit is the speed; while the IRS fax or mail process can take several weeks, a CAA can often secure an EIN for you within 3 to 5 business days. This expedited timeline is crucial for writers who need to meet payment processor deadlines or open a U.S. bank account promptly. A CAA acts as an intermediary, facilitating the application process and ensuring that all IRS requirements are met accurately. This removes the burden of navigating the complex IRS submission system for international applicants. While the service involves a fee, the time saved and the increased certainty of a successful application often make it a worthwhile investment for non-residents.

Next Steps After Obtaining Your EIN

Once you have received your EIN confirmation from the IRS, you can proceed with your business operations. The most immediate next step for many Substack writers is to open a U.S. bank account. This is essential for managing your Substack income separately and for meeting the requirements of payment processors or U.S. entities. You will typically need your EIN confirmation letter (CP-575) and identification documents to open an account with U.S. banks or fintech services like Mercury, Relay, or Brex. If you formed a U.S. entity, you will also need to ensure you are compliant with ongoing U.S. tax obligations, such as filing Form 5472 if you are a foreign-owned U.S. disregarded entity or corporation, and potentially U.S. income tax returns. Familiarize yourself with the tax implications of your Substack income in both the U.S. and Romania. Given the complexities of international tax law, consulting with a qualified tax professional familiar with U.S. and Romanian tax regulations is highly recommended. For assistance with the EIN application process or understanding your tax obligations, consider reviewing itin.net pricing or contacting us for support.

Practical tips

  • Use the exact legal name of the responsible party as it appears on their passport or other government-issued ID when completing Form SS-4.
  • For line 7b of Form SS-4, if the responsible party has neither an SSN nor an ITIN, clearly write 'Foreign'.
  • Ensure you have a U.S. business address (physical or mail forwarding service) before applying, as it is a required field on Form SS-4.
  • If you are forming a U.S. LLC, ensure your Operating Agreement and formation documents are finalized before applying for the EIN.
  • If you require your EIN quickly, factor in the expedited processing time offered by a Certified Acceptance Agent (CAA) versus the longer IRS fax/mail timeline.

Frequently asked questions

Can I apply for an EIN online from Romania?

No, as a non-resident of the U.S. without an SSN or ITIN, you cannot use the IRS online EIN application portal. You must apply via fax, mail, or through a Certified Acceptance Agent (CAA).

How long does it take to get an EIN from Romania?

Applying by fax or mail directly to the IRS can take 3–5 weeks. Using a Certified Acceptance Agent (CAA) like itin.net can expedite the process to 3–5 business days.

What is a 'responsible party' for an EIN application?

The responsible party is the individual who exercises ultimate control over the entity or business. For non-residents applying for an EIN, this must be an individual, not another company.

Do I need an ITIN to get an EIN?

No, an ITIN is not required to obtain an EIN. For non-residents applying for an EIN, you will indicate 'Foreign' on line 7b of Form SS-4 if you do not have an SSN or ITIN.

Can I use a Romanian address on Form SS-4?

Form SS-4 requires a U.S. business address. This can be a physical U.S. address or a mail forwarding service address. A P.O. Box is generally not accepted.

What happens after I get my EIN?

After receiving your EIN confirmation, you can use it to open a U.S. bank account, comply with payment processor requirements, and file necessary U.S. tax forms like Form 5472 if applicable.

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