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EIN guide for Substack writers based in Italy
EIN15 min read

EIN for Substack writers from Italy

Substack writers in Italy need an EIN for U.S. tax purposes. Learn why, the documents required, the application process, and common pitfalls.

Reviewed by , ITIN Specialist at itin.net.

Substack Writers in Italy Face Unique EIN Requirements

Substack writers based in Italy often encounter the need for a U.S. Employer Identification Number (EIN) due to how U.S. platforms, including Stripe for payouts, report income to the IRS. Unlike U.S. residents, Italian writers typically do not have a U.S. Social Security Number (SSN) or Individual Taxpayer Identification Number (ITIN), which complicates the standard online application process for an EIN. This creates a specific hurdle for this audience, as the online portal is designed for those with an SSN. The IRS requires an EIN for U.S. businesses to manage federal taxes, open business bank accounts, and hire employees. For non-U.S. residents operating a U.S. business or receiving U.S.-sourced income that requires reporting, obtaining an EIN is a critical step to comply with U.S. tax law and facilitate financial operations.

Many Italian creators use Substack to monetize their content, publishing newsletters on topics ranging from luxury goods and fashion e-commerce to design services, leveraging the platform's ease of use. When these writers reach a certain income threshold or choose specific payment processing methods, U.S. tax obligations arise. This often involves receiving Form 1099-NEC or similar documentation from U.S.-based payment processors like Stripe. To ensure accurate tax reporting and avoid potential issues with U.S. tax authorities, securing an EIN becomes a necessity. This is particularly true if they plan to establish a U.S. business entity, like a U.S. LLC, to manage their Substack earnings, which would then necessitate an EIN for tax filing purposes such as Form 5472.

When an EIN is Required for Italian Substack Writers

An EIN is typically required for Italian Substack writers when they are operating as a U.S. business entity or when U.S. payment processors need to issue tax forms. If you have formed a U.S. LLC or a similar business structure to operate your Substack, you will need an EIN. This is because U.S. business entities are generally required to have a federal tax ID for tax filings, including informational returns like Form 5472, which is relevant for foreign-owned U.S. disregarded entities or corporations. The IRS uses the EIN to track business activities and tax compliance.

Furthermore, if your Substack generates income that is processed through a U.S. payment provider such as Stripe, and that provider issues U.S. tax forms (like a 1099-NEC) to you, an EIN can be beneficial or even required. While some platforms may allow foreign individuals to receive payments without an immediate EIN, U.S. tax regulations often necessitate it for proper reporting, especially if you are considered to be engaged in a U.S. trade or business. The absence of an SSN for Italian residents means that standard online EIN application methods are unavailable. Therefore, a different application route is necessary. The need for an EIN is also amplified if you plan to open a U.S. bank account to manage your Substack earnings, as most U.S. banks require an EIN for business accounts.

Required Documents for EIN Application

To apply for an EIN as a non-resident of the U.S., you will need specific documentation to identify yourself and your business intentions. The primary document required from the responsible party is a valid passport. This serves as proof of identity and nationality. In addition to your passport, you will need to provide details about your business. If you have already formed a U.S. business entity, such as a U.S. LLC, you must have your formation documents ready. These documents include your Articles of Organization (for an LLC) or Articles of Incorporation (for a C-Corp), along with your company's Operating Agreement or Bylaws.

For the application itself, you will complete IRS Form SS-4, Application for Employer Identification Number. This form requires detailed information about your business, including its name, address, and the type of business activity. A crucial point for non-U.S. residents is how to handle the SSN field on Form SS-4. Since you do not have an SSN, you must write 'Foreign' in the designated SSN field on line 7b. If you are applying through a third party, such as a Certified Acceptance Agent (CAA), they will guide you through filling out this form accurately. Having a U.S. business address, even if it's a mail forwarding service, can also be necessary for the application process. Ensure all documents are clear, legible, and accurately reflect the information provided on Form SS-4.

The EIN Application Process for Non-Residents

The process for obtaining an EIN as a non-resident, such as a Substack writer in Italy, differs significantly from that for U.S. residents. Since you lack a U.S. SSN, you cannot use the IRS's online application portal. Instead, the primary method for non-residents is to apply via fax or mail using IRS Form SS-4. This method typically has a processing time of 3–5 weeks. You will need to complete Form SS-4, ensuring that line 7b clearly states 'Foreign' as you do not have an SSN or ITIN.

Once completed, Form SS-4 is faxed or mailed to the appropriate IRS service center. The IRS will then review your application. If approved, they will mail your EIN confirmation letter (CP-575) to the address listed on your application. This can take several weeks. An alternative, and often faster, method is to use a Certified Acceptance Agent (CAA). A CAA is an individual or entity authorized by the IRS to assist non-residents in obtaining an EIN. They can authenticate your documents and submit the application on your behalf. Using a CAA can expedite the process, often reducing the timeline to a matter of business days, and provides an added layer of assurance that your application is correctly filed. The itin.net service is a CAA that assists clients with this process.

Common Application Mistakes for Italian Substack Writers

Substack writers in Italy often make specific errors when applying for an EIN, largely due to the non-resident status and the nuances of U.S. tax forms. A very common mistake is attempting to use the online application portal, which requires an SSN and will fail for foreign applicants. It's essential to understand that the online system is not an option. Another frequent error involves the responsible party's identification. On Form SS-4, line 7b, applicants must explicitly write 'Foreign' if they do not have an SSN or ITIN. Leaving this blank or entering incorrect information can lead to application rejection.

Incorrectly identifying the business entity type on Form SS-4 is another pitfall. For instance, a sole proprietor in Italy operating a Substack is typically not considered a U.S. business entity requiring an EIN unless they have U.S. employees. However, if they have formed a U.S. LLC, they must select the correct entity type corresponding to that structure. Mismatched names between the responsible party's passport and other business documents can also cause delays or denials. Ensure consistency across all submitted paperwork. Lastly, providing an incomplete or inaccurate U.S. business address can lead to issues with receiving IRS correspondence, including the EIN confirmation letter.

Benefits of the Certified Acceptance Agent (CAA) Path

For Substack writers in Italy, utilizing a Certified Acceptance Agent (CAA) for your EIN application offers significant advantages, primarily in speed and accuracy. As a CAA, itin.net can directly assist you with the application process, acting as an intermediary between you and the IRS. The most substantial benefit is the expedited processing time. While applying directly via fax or mail can take 3–5 weeks, a CAA can often secure an EIN for you within 1–2 business days after the IRS processes the application submitted through their channels.

Furthermore, CAAs are trained by the IRS to handle EIN applications correctly, especially for non-residents. This expertise minimizes the risk of common errors that can lead to rejections or delays. A CAA will verify your identification documents and review your completed Form SS-4 to ensure all information is accurate and complete before submission. This is particularly helpful in correctly addressing the 'Foreign' status on line 7b and ensuring the right business entity type is selected. By using a CAA, you gain the confidence that your application meets IRS requirements, streamlining the process and allowing you to focus on your writing and content creation rather than navigating complex U.S. tax procedures.

Next Steps After Obtaining Your EIN

Once you have successfully obtained your EIN, the next practical step is to use it for its intended purposes, primarily related to U.S. tax compliance and financial operations. If you established a U.S. business entity, such as a U.S. LLC, you will need to use this EIN for filing annual U.S. tax returns, including potentially Form 5472 if your entity is foreign-owned and disregarded for tax purposes. This form is critical for reporting transactions between the U.S. entity and its foreign owner.

Additionally, if you plan to open a U.S. bank account to manage your Substack earnings separately from your personal finances, your EIN will be essential. Banks like Mercury, Relay, or Brex often require an EIN to open a business account for non-residents. Having a dedicated business bank account is crucial for financial clarity and professionalism. For those who have not yet formed a U.S. entity but require an EIN for other specific reasons (e.g., certain payment processor requirements or future business plans), ensure you understand the ongoing compliance obligations associated with having a U.S. tax ID. Review the specific pricing for EIN services at itin.net or contact us directly if you have further questions about your situation.

Practical tips

  • When filling out Form SS-4, ensure the responsible party's name and address exactly match their passport details.
  • On Form SS-4, line 7b, clearly write 'Foreign' if you do not have an SSN or ITIN. Do not leave it blank.
  • If you have a U.S. business address (e.g., from a mail forwarding service), use it consistently on Form SS-4 and related documents.
  • Understand that a U.S. LLC is a U.S. business entity that requires an EIN for tax filing purposes, even if it is foreign-owned.
  • If your Substack income is processed via Stripe and results in a U.S. tax form (like 1099-NEC), an EIN is often necessary for accurate reporting.

Frequently asked questions

Can I apply for an EIN online as a Substack writer living in Italy?

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

Do I need an EIN if I'm a sole proprietor in Italy and use Substack?

Generally, a sole proprietor outside the U.S. does not need an EIN unless they have U.S. employees or are otherwise required to file specific U.S. business tax returns. However, if your payment processor issues U.S. tax forms, an EIN might be advisable or required for compliance.

How long does it take to get an EIN from Italy without a CAA?

Applying directly to the IRS via fax or mail typically takes 3–5 weeks for non-residents to receive an EIN confirmation.

What is a Certified Acceptance Agent (CAA) and why should I use one?

A Certified Acceptance Agent (CAA) is authorized by the IRS to help non-residents obtain an EIN. Using a CAA like itin.net can expedite the process to 1–2 business days and ensures your application is correctly filed, reducing the risk of errors.

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

While not strictly mandatory for all non-resident applications, having a U.S. business address, such as one provided by a mail forwarding service, can be necessary for the application and for receiving official IRS correspondence.

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, which will add to the processing time.

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