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Illustration for an ITIN article aimed at online course creators based in Portugal
ITIN12 min read

How online course creators from Portugal Get an ITIN

Online course creators in Portugal need an ITIN for U.S. tax compliance. Learn the process, required documents, and common pitfalls to secure your ITIN efficiently.

Reviewed by , ITIN Specialist at itin.net.

Why Portuguese Online Course Creators Need an ITIN

Online course creators in Portugal often encounter situations requiring an ITIN due to U.S. income streams. Platforms like Teachable, Thinkific, Kajabi, or Udemy, which facilitate payments from U.S. customers, typically require you to provide a U.S. taxpayer identification number. For non-U.S. persons, this is usually an ITIN, as you cannot obtain a Social Security Number (SSN). Without an ITIN, these platforms may withhold U.S. taxes at the highest rate (30%), significantly reducing your earnings. Furthermore, if you operate as a U.S. LLC for your online course business, you will need an EIN for tax purposes and potentially an ITIN if you have U.S. source income that isn't effectively connected to a U.S. trade or business and is subject to withholding. The Portugal–U.S. tax treaty may offer relief from certain withholding taxes, but you must have a valid ITIN to claim these treaty benefits on your tax filings. This makes obtaining an ITIN a critical step for Portuguese online course creators to ensure tax compliance and maximize their income from U.S. customers.

When an ITIN is Required for Portuguese Online Course Creators

An ITIN is generally required for Portuguese online course creators when they receive U.S. source income and are not eligible for an SSN. This most commonly arises when using U.S.-based course hosting platforms or payment processors that serve U.S. customers. These services often require a U.S. Taxpayer Identification Number for Form W-9 submissions to comply with IRS reporting obligations. If you fail to provide a U.S. taxpayer identification number, they will typically implement backup withholding at a 30% rate on all payments made to you. This applies even if your income would otherwise be exempt or subject to a lower treaty rate. Additionally, if you have formed a U.S. LLC for your online course business, you will need an Employer Identification Number (EIN) for the entity. However, if you are a non-resident alien owner of a U.S. LLC and have effectively connected income or income subject to withholding, you may also need an ITIN. The need for an ITIN is triggered by the requirement to file a U.S. tax return (e.g., Form 1040-NR) or to claim treaty benefits on U.S. source income that is subject to withholding. This is distinct from needing an EIN for your business entity, which is a separate application process using Form SS-4.

Essential Documents for Your ITIN Application

Applying for an ITIN involves submitting Form W-7, Application for IRS Individual Taxpayer Identification Number. This form requires you to provide specific documentation to verify your identity and foreign status. The IRS mandates that you submit original documents or certified copies from the issuing agency. The most commonly accepted primary identification document is a valid passport. If you do not have a passport, other documents may be accepted, such as a national identity card, a birth certificate, or a driver's license, provided they contain sufficient identifying information and a photograph. In addition to your identity document, you will need to provide proof of your foreign status. This could be a copy of your U.S. visa, if applicable. Crucially, you must also include a U.S. federal income tax return, unless you qualify for a withholding or treaty exception. For online course creators, this often means filing a Form 1040-NR (U.S. Nonresident Alien Income Tax Return) along with your Form W-7. Ensure all submitted documents are clear, legible, and accurately reflect your information. Mismatched names or dates of birth can lead to application delays or rejections.

The ITIN Application Process Step-by-Step

The ITIN application process begins with completing Form W-7. This form requires personal information, including your name, address, and foreign tax identification number (if applicable). You must then gather the required supporting documents, which typically include a government-issued identification document (like a passport) and a U.S. federal tax return. You have three primary options for submitting your application: 1. Mail your application package directly to the IRS in Austin, Texas. 2. Apply through a Certified Acceptance Agent (CAA). 3. Visit an IRS Taxpayer Assistance Center (TAC) that offers ITIN application services. For Portuguese online course creators, using a CAA is often the most efficient route. The CAA will review your application and verify your original identification documents, returning them to you immediately. This avoids the risk of mailing original documents to the IRS. Once the IRS receives a complete application, processing typically takes between 5–10 business days when filed via a Certified Acceptance Agent. Direct mail applications can take significantly longer, often 10–12 weeks or more, especially during peak tax seasons. You will receive an ITIN assignment letter (IRS notice CP-565) from the IRS once your application is approved.

Common Mistakes for Portuguese Online Course Creators

Online course creators in Portugal often make specific errors when applying for an ITIN. A frequent mistake is failing to include a complete and accurate U.S. federal income tax return with the Form W-7. Many assume that because they are non-residents, a tax return is not needed, but it is usually a prerequisite for obtaining an ITIN, unless an exception applies. Another common pitfall is incorrectly claiming treaty benefits. While the Portugal–U.S. tax treaty exists, applying it requires specific knowledge of its articles and how they apply to your income type. Errors in claiming treaty benefits on your tax return can lead to ITIN rejection or future IRS scrutiny. For those forming a U.S. LLC, failing to obtain an EIN before applying for an ITIN, or vice versa when needed, can cause confusion. Ensure your name, address, and other identifying information are consistent across all documents, including your passport and tax return. Mismatched information is a leading cause of ITIN application denials. Finally, mailing original identification documents directly to the IRS carries the risk of loss or damage; using a Certified Acceptance Agent mitigates this risk.

The Certified Acceptance Agent (CAA) Advantage

Using a Certified Acceptance Agent (CAA) significantly streamlines the ITIN application process for online course creators in Portugal. As a CAA, itin.net can verify your original identification documents, such as your passport, on your behalf. This means you do not have to mail your original, sensitive documents to the IRS, thereby reducing the risk of them being lost or stolen. The CAA acts as an intermediary, reviewing your Form W-7 and supporting documentation for completeness and accuracy before forwarding it to the IRS. This pre-screening process helps to identify and correct potential errors that could otherwise lead to delays or rejections. The typical processing time when applying through a CAA is much faster, often within 5–10 business days after the IRS receives the application, compared to the much longer wait times for direct mail applications. This efficiency is particularly valuable for individuals who need their ITIN quickly to meet platform requirements or tax filing deadlines. The service provided by a CAA like itin.net ensures a higher likelihood of first-time approval.

Next Steps After Obtaining Your ITIN

Once you receive your ITIN assignment letter (CP-565) from the IRS, you can use it for various purposes critical to your online course business. The primary next step is to provide your ITIN to payment processors and platforms (like Teachable, Thinkific, Kajabi, or Udemy) that requested it. This will prevent the 30% backup withholding on your U.S. source income and ensure you are taxed at the appropriate rate, potentially benefiting from the Portugal–U.S. tax treaty. If you operate as a U.S. LLC, you will use your EIN for business tax filings and potentially your ITIN if required for personal reporting of U.S. source income. It is also essential to maintain accurate records of all income and expenses related to your online courses. For ongoing compliance, consider setting up a U.S. bank account to manage your business finances more smoothly. Many platforms like Mercury, Relay, or Brex cater to international founders. If you have further questions or need assistance with the ITIN application process or subsequent tax filings, consulting with a tax professional specializing in international taxation is recommended. You can also explore pricing options for ITIN services on the itin.net website or contact us directly for personalized guidance.

Practical tips

  • Ensure the legal name on your Form W-7 exactly matches your passport or other primary identification document to avoid mismatches.
  • If you are claiming treaty benefits, ensure you understand the specific article and income type that applies to your situation and correctly complete the relevant sections of your tax return.
  • When using a U.S. LLC, ensure you obtain an EIN for the entity before or concurrently with your ITIN application if both are required.
  • Keep copies of all submitted documents, including your Form W-7 and tax return, for your personal records.
  • If you have previously filed U.S. taxes or corresponded with the IRS, provide any prior ITIN or SSN you may have been assigned.

Frequently asked questions

Do I need an ITIN if my online course platform pays me in Euros?

Yes, if the platform is U.S.-based and serves U.S. customers, they likely report your income to the IRS. They will require a U.S. taxpayer identification number (like an ITIN) to avoid backup withholding, even if the final payment is converted to Euros.

How long does it take to get an ITIN through a Certified Acceptance Agent (CAA)?

When you apply through a Certified Acceptance Agent like itin.net, the IRS typically processes your application within 5–10 business days after receiving it. The CAA verifies your documents immediately, speeding up the overall process.

Can I use my Portuguese national ID instead of my passport for my ITIN application?

While a passport is the preferred document, other forms of identification may be accepted if they meet IRS requirements for identity verification and foreign status. However, a passport is the most straightforward option. You must submit original documents or certified copies from the issuing agency.

What is the difference between an ITIN and an EIN for my online course business?

An ITIN is for individuals who need to file U.S. taxes but cannot get an SSN. An EIN (Employer Identification Number) is for business entities, like a U.S. LLC, to identify them for tax purposes. You may need both depending on your business structure and income sources.

Do I need to file a U.S. tax return to get an ITIN?

Generally, yes. You must submit a federal income tax return with your Form W-7, unless you qualify for a specific exception, such as claiming a treaty benefit on certain types of income. For most online course creators earning U.S. income, filing Form 1040-NR is required.

What happens if I don't get an ITIN for my U.S. course sales?

If you don't provide a U.S. taxpayer identification number to platforms facilitating U.S. sales, they will typically apply backup withholding at a 30% rate to all payments made to you. This significantly reduces your net earnings and can complicate tax recovery.

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