Substack Writers in Lithuania Face Unique EIN Hurdles
Substack writers in Lithuania often encounter unexpected requirements for a U.S. Employer Identification Number (EIN) when they begin earning significant income through their newsletters. Unlike U.S. residents who might need an EIN for various business operations, Lithuanian writers typically require one primarily for tax reporting purposes and to facilitate U.S. banking, especially when dealing with platforms like Stripe. The friction point arises because the IRS designates you as a non-resident alien, which changes the application process and typical timelines significantly. While U.S. residents can often secure an EIN online within days, non-residents face a more complex, paper-based application that requires careful attention to detail to avoid delays or rejections. Understanding these specific challenges is the first step for Lithuanian Substack writers to successfully obtain their EIN and maintain compliance.
When You Need an EIN for Your Substack
An EIN is a federal tax identification number issued by the IRS to business entities. For Substack writers in Lithuania, the primary trigger for needing an EIN is often related to payment processing and U.S. tax reporting obligations. If your Substack generates substantial revenue, platforms like Stripe may require you to provide an EIN for tax information reporting to the IRS, typically on forms like Form 1099-NEC if you are considered engaged in a U.S. trade or business. Even if not strictly required by Stripe for initial payouts, obtaining an EIN is essential if you plan to open a dedicated U.S. bank account to manage your newsletter income. Many U.S. financial institutions require an EIN to open a business account for non-residents, which is crucial for separating business and personal finances and simplifying accounting. While not mandatory for all foreign-based creators, the practicalities of U.S. payment systems and banking often make an EIN a de facto requirement for serious Substack publishers operating internationally.
Required Documents for Non-Resident EIN Applications
Applying for an EIN as a non-resident requires specific documentation to verify your identity and the legitimacy of your U.S. business presence, even if that presence is solely through your Substack earnings. The core IRS form is Form SS-4, Application for Employer Identification Number. As a responsible party applying from Lithuania, you will need a copy of your passport to prove your identity. Additionally, you may need documentation related to your business structure, though for a solo Substack writer, this might simply be a declaration of your sole proprietorship status or any formation documents if you've established a U.S. entity like a U.S. LLC. A critical detail for non-residents is how to handle the Social Security Number (SSN) field on Form SS-4. Since you likely do not have an SSN, you must write 'Foreign' in line 7b of the form. This signals to the IRS that you are an international applicant. Ensure all information on your application is accurate and matches your identification documents precisely to avoid processing delays.
The EIN Application Process for Lithuanian Residents
The process for Lithuanian residents to obtain an EIN differs significantly from that for U.S. citizens. Since you do not have a U.S. SSN or ITIN, you cannot apply online through the IRS portal, which is reserved for individuals with such U.S. taxpayer identification numbers. Instead, you must apply via fax or mail, or through an authorized third party. The application involves completing Form SS-4 with meticulous attention to detail, especially regarding your non-U.S. status. After submitting the form by fax, the IRS typically processes it within 3–5 weeks. This is considerably longer than the 1–2 business days for U.S. residents applying online. If you need the EIN more urgently, expedited options are available, but they come with additional costs. Ensure you have a reliable fax number for the IRS to send confirmation and that you monitor it regularly. The confirmation document you receive from the IRS will be your official EIN assignment letter.
Common Mistakes for Substack Writers in Lithuania
Substack writers in Lithuania often make specific errors when applying for an EIN due to the nuances of international applications. A frequent mistake is attempting to use the online application portal, which will fail if you do not have an SSN or ITIN. Another common pitfall is incorrectly filling out line 7b of Form SS-4; writing 'N/A' or leaving it blank instead of writing 'Foreign' can lead to the application being rejected. Misrepresenting your entity type can also cause issues; as a solo writer, you are typically considered a sole proprietor unless you've formally established a U.S. LLC. Ensure your U.S. business address, if you are using one (e.g., a mail forwarding service), is correctly entered and verifiable. Finally, ensure the responsible party's name on Form SS-4 exactly matches their passport or other government-issued identification.
Expedited EIN via a Certified Acceptance Agent (CAA)
For Lithuanian Substack writers needing an EIN faster than the standard 3–5 week fax processing time, engaging a Certified Acceptance Agent (CAA) offers a significantly expedited channel. A CAA, like itin.net, acts as an intermediary between you and the IRS. The CAA reviews your application and identity documents in person (or virtually, in some cases) and then authenticates them before submitting the application on your behalf. This process typically allows for an EIN to be issued within 3–5 business days, a substantial improvement over the postal or fax method. While this service involves a fee, it can be invaluable if you have urgent banking or tax reporting deadlines. The CAA ensures that your application is correctly filled out, minimizing the risk of errors that could cause delays. This path leverages the IRS's trusted agent program to streamline the process for non-residents.
Next Steps After Obtaining Your EIN
Once you have received your EIN confirmation from the IRS, your next steps involve setting up the necessary financial and tax infrastructure for your Substack business. If you haven't already, you should proceed with opening a U.S. bank account. Your EIN is the key document required by most U.S. banks and financial services like Mercury, Relay, or Brex to open an account for a non-resident business owner. This account will allow you to receive Stripe payouts efficiently and manage your business finances separately. You will also need to use your EIN when filing any required U.S. tax returns, such as Form 1040-NR for personal income tax if you are considered to have U.S.-sourced income, or potentially Form 5472 if you have formed a U.S. LLC and are required to report certain transactions. Review the pricing for EIN services at itin.net or contact us directly if you require assistance with the application process.
Practical tips
- Write 'Foreign' in line 7b of Form SS-4 if you do not have a U.S. SSN or ITIN.
- Use the exact legal name of the responsible party as it appears on their passport or government-issued ID.
- When using a mail forwarding service as your U.S. business address, ensure it is a physical address and not a P.O. Box.
- If you are unsure about your U.S. tax residency status or the implications of the Lithuania-U.S. tax treaty, consult a qualified tax professional.
- Keep a digital and physical copy of your EIN confirmation letter (CP-575) in a secure location.
Frequently asked questions
Do I need an EIN if my Substack is just a hobby?
If your Substack is considered a business activity by the IRS, generating regular income, you will likely need an EIN for tax reporting and banking purposes, even if you don't plan to hire employees. The IRS categorizes income-generating activities as business operations.
Can I use my Lithuanian address on Form SS-4?
Yes, you can use your Lithuanian address as your business address on Form SS-4. However, if you have established a U.S. mailing address or registered agent address, you may use that as well. Ensure clarity on your primary operating location.
How long does it take to get an EIN via fax from Lithuania?
Applying by fax from Lithuania typically takes 3–5 weeks for the IRS to process your Form SS-4 and issue an EIN. This timeline can vary based on IRS workload.
What is the difference between an EIN and an ITIN for a Substack writer?
An EIN is a tax ID for a business entity, while an ITIN (Individual Taxpayer Identification Number) is for individuals who need to file U.S. taxes but do not have an SSN. As a Substack writer, you might need an EIN for your business operations and potentially an ITIN for your personal U.S. tax filings.
Can I use a friend's U.S. address for my EIN application?
You can list a U.S. address on Form SS-4 if it is a legitimate place of business or a mail forwarding service. However, using a friend's personal address without a formal business arrangement could raise questions with the IRS and is generally not recommended for official tax filings.
Does the Lithuania-U.S. tax treaty affect my EIN application?
The tax treaty primarily affects how your income is taxed and potential withholding rates, not the process of obtaining an EIN itself. An EIN is a U.S. federal tax identification number required for business operations and reporting, regardless of tax treaties.



