Why SaaS Founders in Belgium Need ITIN Renewal
SaaS founders based in Belgium often require an Individual Taxpayer Identification Number (ITIN) for various U.S. business activities. This is particularly true if they have previously filed U.S. tax returns or need to establish U.S. business infrastructure, such as opening a U.S. bank account or obtaining an EIN for their U.S. entity. An ITIN is distinct from an EIN; an ITIN is for individuals, while an EIN is for businesses. If your existing ITIN has expired, you must renew it to maintain compliance with U.S. tax regulations and ensure uninterrupted business operations. The IRS issues ITINs to individuals who are neither U.S. citizens nor resident aliens but need a U.S. taxpayer identification number. For SaaS founders, this often arises when they form a U.S. entity, such as a U.S. LLC, or engage in U.S.-sourced income requiring U.S. tax filing. Failure to renew an expired ITIN can lead to processing delays for future tax filings or other U.S. business-related applications, potentially impacting your ability to conduct business smoothly.
Triggers for ITIN Renewal
An ITIN renewal is triggered by two primary IRS schedules. The first is the IRS's rolling middle-digit expiration. Every few years, the IRS revamps its ITIN system and assigns expiration dates to ITINs based on the middle two digits. For example, ITINs ending in '70', '71', '72', '73', '74', '75', '76', '77', '78', '79', '80', '81', '82', or '83' began expiring with tax year 2022 filings. If your ITIN falls into one of these ranges, you will need to renew it to file your 2022 U.S. tax return. The second trigger for ITIN renewal is non-use for three consecutive federal tax years. If you have not included your ITIN on a federal tax return for three consecutive years, the IRS automatically invalidates it. For SaaS founders in Belgium, this means if you haven't filed a U.S. tax return using your ITIN for, say, 2020, 2021, and 2022, your ITIN would be considered expired for the 2023 tax year. It is crucial to proactively check your ITIN status rather than waiting for an IRS notice, such as a CP-48, as not all filers receive one.
Required Documents for ITIN Renewal
Renewing an ITIN requires specific documentation to verify your identity and foreign status. The primary form is IRS Form W-7, with the 'Renew an Existing ITIN' box clearly checked. This form collects your personal information, including your name, foreign address, and the ITIN you wish to renew. Along with the W-7, you must submit original or certified copies of identification documents. The most commonly accepted document is a valid passport. If you do not have a passport, other documents like a national identity card, driver's license, or birth certificate may be accepted, provided they contain specific information and are accompanied by a federal identification card or state-issued identification. You will also need your most recent federal tax return. If you have a previous ITIN notice from the IRS, it is highly recommended to include it, although it is not strictly mandatory. Ensure all submitted documents are current and clearly legible. Missing or incorrect documentation is a common reason for application delays or rejections.
The ITIN Renewal Application Process
The ITIN renewal process begins with completing IRS Form W-7 and gathering supporting documents. You can submit your application directly to the IRS service center in Austin, Texas, or through a Certified Acceptance Agent (CAA). Submitting directly to the IRS means you must mail your original identification documents, which can take several weeks to be returned. The typical timeline for processing an ITIN renewal submitted directly to the IRS is 10–12 weeks, though this can vary significantly during peak filing seasons. Alternatively, using a CAA, such as itin.net, streamlines the process. A CAA can verify your original documentation and forward your application to the IRS, returning your original documents to you on the same day. The processing timeline through a CAA is typically much faster, usually around 5–10 business days from when the IRS receives the application package. This expedited timeline makes the CAA route particularly attractive for SaaS founders who need their renewed ITIN quickly to meet U.S. business obligations.
Common Mistakes for SaaS Founders in Belgium
SaaS founders in Belgium face unique challenges that can lead to common ITIN renewal mistakes. One frequent error is mismatched name fields. Ensure the name on your Form W-7 precisely matches your passport or other identification documents, as well as any previous IRS correspondence. Minor discrepancies, like the inclusion or exclusion of a middle name, can cause delays. Another pitfall is failing to include a complete and current U.S. federal tax return with your application. This return is essential proof of your need for an ITIN for tax purposes. For founders operating a U.S. LLC, ensure your tax filing accurately reflects your business structure and any income attributable to your ITIN. Also, be aware of the U.S. tax filing requirements for foreign-owned U.S. corporations, such as filing Form 5472 if applicable, which may necessitate an ITIN or EIN for the responsible party. Finally, many founders in Belgium overlook the importance of proactive checking. Relying solely on receiving an IRS notice (like CP-48) before renewing is risky, as these notices are not always sent, potentially leaving you unaware of an expired ITIN until it causes significant business disruption.
Benefits of Using a Certified Acceptance Agent (CAA)
A Certified Acceptance Agent (CAA) acts as an intermediary between you and the IRS for ITIN applications and renewals. When you use a CAA like itin.net, they are authorized by the IRS to review your application and verify your original identification documents. This verification process means you do not have to mail your original passport or other vital documents to the IRS, eliminating the risk of them being lost or delayed in transit. The CAA conducts a thorough review of your Form W-7 and supporting documents to ensure they meet IRS standards before submission, significantly reducing the chances of application errors and rejections. Furthermore, the turnaround time is generally much faster when applying through a CAA compared to direct submission to the IRS. While direct applications can take 10–12 weeks or more, a CAA submission typically results in a renewed ITIN within 5–10 business days of the IRS receiving the application. This efficiency is invaluable for SaaS founders needing to act quickly on U.S. business matters.
Next Steps After ITIN Renewal
Once your ITIN renewal is approved and you receive your new ITIN or confirmation of your existing one, you can proceed with your U.S. business activities. Ensure you update your ITIN with any U.S. financial institutions, payment processors like Stripe, or other entities that require it. If you have formed a U.S. entity, such as a Delaware C-Corp or Wyoming LLC, and have not yet obtained an EIN, now is the time to do so. An EIN is crucial for operating your U.S. business, including opening a U.S. bank account and filing business taxes. For SaaS founders in Belgium, maintaining accurate and up-to-date U.S. tax documentation is essential for ongoing compliance and growth. If you need assistance with your ITIN renewal or other U.S. tax identification requirements, consider reviewing the itin.net renewal package pricing or contacting our specialists for personalized guidance.
Practical tips
- Use the same legal name across Form W-7, your passport, and any prior IRS correspondence; mismatched name fields are a common cause for ITIN renewal rejection.
- Proactively check your ITIN status via the IRS 'Where's My ITIN' tool or by contacting a CAA before filing your next U.S. tax return to avoid unexpected delays.
- Ensure your submitted federal tax return accurately reflects your income and U.S. tax obligations. For SaaS founders, this might involve reporting income from U.S. clients or U.S. business operations.
- When using a CAA, have your original identification documents ready. The agent will review them and return them to you immediately, avoiding the need to mail sensitive originals.
- If you are renewing your ITIN due to non-use, ensure your renewal application is accompanied by a tax return for the year in which you intend to use the ITIN, demonstrating current need.
Frequently asked questions
As a SaaS founder in Belgium, do I need to renew my ITIN if I haven't filed a U.S. tax return in two years?
Yes, if your ITIN has not been used on a federal tax return for three consecutive years, the IRS will invalidate it. You must renew it before filing your next U.S. tax return to avoid processing issues. For example, if you haven't filed for 2021, 2022, and 2023, your ITIN would be expired for the 2024 tax year.
What is the fastest way to renew my ITIN from Belgium?
The fastest method is to work with a Certified Acceptance Agent (CAA). A CAA can review your application and original documents, submit them to the IRS on your behalf, and typically process the renewal within 5–10 business days, avoiding the longer wait times associated with direct IRS submission.
Can I use my Belgian driver's license to renew my ITIN?
While a passport is the preferred identification document, other forms may be accepted if they contain your photograph, name, address, date of birth, and expiration date, and are accompanied by a federal or state-issued identification document. It's best to confirm the exact requirements with the IRS or a CAA.
My SaaS company has an EIN. Do I still need to renew my personal ITIN?
Yes, an EIN is for your business entity, while an ITIN is for you as an individual. If you have previously used your ITIN on a personal U.S. tax return or for other individual U.S. tax obligations, and it has expired or will expire soon, you must renew it independently of your company's EIN.
How long does it take to receive my renewed ITIN?
If applying directly to the IRS, expect 10–12 weeks, potentially longer during peak seasons. Through a Certified Acceptance Agent (CAA), the typical processing time is 5–10 business days from the IRS's receipt of the application.
What happens if I don't renew my ITIN and need to file a U.S. tax return?
If your ITIN has expired and you attempt to file a U.S. tax return, the IRS may reject your return or delay its processing. You might also face issues with any U.S. business activities that require an active ITIN, such as opening bank accounts or receiving payments.



