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ITIN Renewal application reference for angel investors based in Greece
ITIN15 min read

An ITIN Renewal Guide for angel investors from Greece

Angel investors in Greece need to renew their ITIN for U.S. tax filings. This guide covers eligibility, required documents, the application process, and common pitfalls.

Reviewed by , ITIN Specialist at itin.net.

Why Greek Angel Investors Need ITIN Renewal

Angel investors based in Greece often require an ITIN to comply with U.S. tax obligations related to their investments in U.S. startups. This is particularly true when receiving distributions, needing to file specific tax forms like Form 5472 for foreign-owned U.S. disregarded entities, or when elections are made that necessitate an ITIN for identification. Unlike U.S. citizens or residents who use a Social Security Number (SSN), non-residents rely on the ITIN for tax processing. The IRS has a policy of revoking ITINs that have not been used on a federal tax return for three consecutive years, or ITINs that fall within the IRS's rolling middle-digit expiration schedule. For Greek angel investors, this means an existing ITIN might become invalid, requiring renewal before their next U.S. tax filing deadline, even if they continue to invest in the U.S. market. Failing to maintain a valid ITIN can lead to delays in processing tax returns, potential penalties, and complications with U.S. financial institutions. Proactive ITIN Renewal is therefore a critical step for maintaining compliance and smooth financial operations for U.S. investments.

When ITIN Renewal Becomes Necessary

Your ITIN requires renewal if it has expired. The IRS initiates ITIN expiration on a rolling basis, typically after five years, based on the middle two digits of the ITIN. Additionally, ITINs are automatically deactivated if they have not been used on a federal tax return for three consecutive tax years. For angel investors in Greece, this inactivity is a common trigger, especially if investments are long-term and do not generate immediate taxable events requiring a U.S. filing. The IRS may send a notice, such as CP-48, indicating that your ITIN is no longer valid, but reliance on this notice is not advisable. You should proactively check your ITIN status if you haven't used it on a U.S. federal tax return in three years or if its expiration date has passed according to the IRS schedule. This is essential for filing forms like Form 1040-NR (U.S. Nonresident Alien Income Tax Return) or other required documentation related to U.S. investment activities. Maintaining an active ITIN ensures you can meet all U.S. tax filing requirements without interruption.

Required Documents for ITIN Renewal

To renew your ITIN, you must complete Form W-7, Application for IRS Individual Taxpayer Identification Number, and check the box indicating you are renewing an existing ITIN. The IRS requires specific documentation to verify your identity and foreign status. The most critical document is a valid, unexpired passport issued by Greece. If your passport is expired, or if you do not have a passport, you will need to provide alternative identification documents. These can include original or certified copies of a national identity card, civil birth certificate, or foreign driver's license. It is highly recommended to submit your original passport or certified copies of documents obtained from the issuing agency. Photocopies are generally not accepted unless they are certified copies. You will also need to provide your previously assigned ITIN, ideally through an old IRS notice or tax return, though this is not strictly mandatory if you can provide sufficient identity verification. The renewal process also requires attaching your current U.S. federal tax return.

The ITIN Renewal Application Process

The ITIN renewal process begins with completing Form W-7 and attaching your current U.S. federal tax return. You have three options for submitting your application. You can mail your application, supporting documents, and tax return directly to the IRS in Austin, Texas. Alternatively, you can apply in person at specific IRS Taxpayer Assistance Centers (TACs) that offer ITIN application services. These TACs require appointments and may have limited availability. The third option, and often the most efficient for non-residents, is to apply through a Certified Acceptance Agent (CAA). CAAs are individuals or entities authorized by the IRS to assist applicants. They can verify your original identity documents, reducing the risk of loss or delay associated with mailing them. Once submitted, the IRS processes ITIN renewals. If applying through a CAA, the typical_timeline for receiving your renewed ITIN is approximately 5–10 business days after the IRS receives your complete application package. Direct submissions to the IRS may take longer, potentially several weeks or months, especially during peak tax season. It is advisable to apply well in advance of any tax filing deadlines.

Common Mistakes for Greek Angel Investors

Angel investors from Greece renewing their ITIN may encounter specific pitfalls beyond general application errors. One common mistake is failing to include a complete and accurate U.S. federal tax return with the Form W-7. This return must be the one for which the ITIN is needed, and it must be the most current one you are required to file. Another issue arises from mismatched personal information. Ensure the name, date of birth, and foreign address on your Form W-7 precisely match those on your supporting identification documents, such as your Greek passport. Discrepancies can lead to delays or rejections. Furthermore, relying solely on the IRS to notify you of an expired ITIN via a CP-48 notice is a significant risk; many non-residents do not receive this notification. Proactive checking of your ITIN status is crucial. Finally, when dealing with U.S. investments, ensure you understand the tax implications and filing requirements that necessitate the ITIN. For example, if your investment structure involves a U.S. entity, you might also need an EIN or have filing obligations under Form 5472.

Benefits of Using a Certified Acceptance Agent (CAA)

Applying for ITIN Renewal through a Certified Acceptance Agent (CAA) offers distinct advantages, particularly for non-residents like angel investors in Greece. A primary benefit is that CAAs can authenticate your original identification documents, such as your passport. This means you do not have to mail your original passport or other sensitive documents directly to the IRS, thereby minimizing the risk of loss or damage during transit. The CAA reviews your application and supporting documents in person, ensuring everything is correctly completed before submission. This pre-screening process significantly reduces the chances of application errors and delays. The typical_timeline for processing through a CAA is often faster than direct submission to the IRS, as CAAs are trained to handle the requirements efficiently. For instance, itin.net, as a CAA, provides a streamlined process that can expedite your ITIN Renewal. While the IRS ultimately approves and issues the ITIN, the CAA's role in verification and submission adds a layer of security and efficiency to the entire procedure.

Next Steps After ITIN Renewal

Once your ITIN renewal is approved and you receive your new ITIN or confirmation of your renewed ITIN, you can proceed with your U.S. tax filings. Ensure you use the updated ITIN on all future tax forms and communications with the IRS. If you are filing a tax return for the current year, you will use your renewed ITIN. For angel investors, this also means ensuring all related investment activities and entity structures are compliant. This might include filing Form 5472 if you hold a U.S. LLC or other disregarded entity, or ensuring proper reporting for any U.S. sourced income. If you haven't already, consider establishing a U.S. bank account to manage your U.S. investment finances more easily. For assistance with the ITIN renewal process or to understand your specific filing obligations, reviewing pricing or contacting itin.net for expert guidance is recommended.

Practical tips

  • Ensure your name, date of birth, and foreign address on Form W-7 exactly match your Greek passport.
  • Do not wait for a CP-48 notice; proactively check your ITIN status if it hasn't been used in three consecutive years.
  • Submit your original passport or certified copies of identification documents obtained directly from the issuing authority.
  • Include a complete and accurate current federal tax return with your Form W-7 renewal application.
  • If you are also setting up a U.S. business structure, ensure compliance with requirements for an EIN and Form 5472.

Frequently asked questions

How long does it take to renew an ITIN for an angel investor in Greece?

The typical timeline for ITIN renewal through a Certified Acceptance Agent is 5–10 business days. Direct submission to the IRS may take significantly longer, potentially several weeks or months.

Do I need to submit my original Greek passport for ITIN renewal?

You can submit your original passport, or certified copies of your passport obtained from the issuing authority (e.g., the Greek consulate). Alternatively, a Certified Acceptance Agent can verify your original documents, so you don't have to mail them.

What if my ITIN expired because I didn't use it for three years?

If your ITIN has not been used on a federal tax return for three consecutive years, it is considered inactive and must be renewed. You will need to complete Form W-7, indicating renewal, and attach your current U.S. federal tax return.

Can I use my ITIN renewal application to get a new ITIN if I lost my old one?

No, the Form W-7 renewal process is specifically for individuals who have already been issued an ITIN and need to reactivate it. If you have lost your previous ITIN and are unsure if it has expired, you must contact the IRS directly to inquire about its status or reapply for a new ITIN if it cannot be retrieved.

What are the tax implications for Greek angel investors in U.S. startups?

Greek angel investors may face U.S. tax obligations related to their investments, such as withholding taxes on dividends or capital gains, and reporting requirements for U.S. entities. An ITIN is often required for filing forms like Form 1040-NR or Form 5472. Consulting with a tax professional specializing in U.S. international taxation is advised.

Does the U.S.-Greece tax treaty affect my ITIN renewal?

The U.S.-Greece tax treaty primarily affects withholding tax rates on certain types of income. While it doesn't directly impact the ITIN renewal process itself, it is relevant for understanding your overall U.S. tax liability as a Greek resident investor. You will need a valid ITIN to claim treaty benefits on your tax return.

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