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ITIN Renewal guide for foreign contractors based in Denmark
ITIN15 min read

ITIN Renewal for foreign contractors from Denmark

Foreign contractors in Denmark need to renew their ITIN for U.S. tax filings. Understand the process, required documents, and how to avoid common pitfalls with itin.net.

Reviewed by , ITIN Specialist at itin.net.

Specific ITIN Renewal Challenges for Danish Contractors

Foreign contractors based in Denmark face unique hurdles when their U.S. Individual Taxpayer Identification Number (ITIN) expires. Unlike U.S. residents, you operate under different tax and residency rules, and the U.S. tax system can seem distant and complex. The primary trigger for renewal is often non-use for three consecutive tax years or the IRS's scheduled expiration based on the middle digits of your ITIN. For Danish contractors invoicing U.S. companies, maintaining a valid ITIN is critical for compliance, especially when submitting forms like the W-8BEN or W-8BEN-E to your clients to certify your foreign status and claim treaty benefits. Failure to renew can disrupt payments and lead to U.S. tax withholding at the highest rate, impacting your net income significantly.

When You Must Renew Your ITIN

Your ITIN requires renewal if it has not been used on a U.S. federal tax return for three consecutive years. The IRS also employs a rolling expiration schedule, where ITINs with certain middle digits expire periodically. For example, ITINs with middle digits 70-82 expired in 2023. It is your responsibility to monitor your ITIN's status. Relying on the IRS to send a notice, such as a CP-48 notice, is not advisable, as many individuals do not receive these notifications. Proactively checking your ITIN status before tax season is essential, especially if you are a foreign contractor in Denmark who only occasionally files U.S. taxes or has not filed for a few years.

Required Documentation for ITIN Renewal

To renew your ITIN, you will need to submit IRS Form W-7 with the 'Renew an Existing ITIN' box checked. Alongside the W-7, you must provide original or certified copies of identity and foreign status documents. The most commonly accepted document is a valid passport. If your passport is unavailable, other documents like a national identity card or birth certificate may be considered, but a passport is strongly preferred. You will also need to include a current U.S. federal tax return with your W-7 application. If you have an old ITIN notice from the IRS, including this can also be helpful, though not strictly mandatory if you know your ITIN.

The ITIN Renewal Application Process

The renewal process involves completing Form W-7 and gathering supporting documents. You can submit your application directly to the IRS or through a Certified Acceptance Agent (CAA). Submitting directly to the IRS means mailing your original identification documents, which carries inherent risks of loss or delay. Using a CAA, such as itin.net, offers a more secure and streamlined approach. A CAA can verify your original documents and forward your application package to the IRS on your behalf. This method typically expedites processing, with an estimated timeline of 5–10 business days for the IRS to issue a new ITIN once they receive the application from the CAA. Direct submissions to the IRS can take significantly longer, often several weeks or even months.

Common Pitfalls for Danish Contractors

Danish contractors often encounter specific issues during ITIN renewal. One common mistake is failing to use the correct legal name across all submitted documents, including Form W-7 and your passport. Discrepancies can lead to delays or rejections. Another pitfall is not filing a complete and accurate U.S. tax return alongside the W-7; the ITIN is issued for tax purposes, so a tax return is mandatory. For those who have formed a U.S. LLC, ensure you are also compliant with U.S. reporting requirements like Form 5472 if applicable, though this is separate from ITIN renewal itself. Finally, relying solely on the W-8BEN form for U.S. clients without a valid ITIN can lead to incorrect withholding, even if you have a tax treaty benefit with Denmark.

Benefits of Using a Certified Acceptance Agent (CAA)

Utilizing a Certified Acceptance Agent (CAA) like itin.net provides significant advantages for foreign contractors in Denmark seeking ITIN renewal. A CAA is authorized by the IRS to help individuals apply for an ITIN and to authenticate original identification documents. This means you do not have to mail your original passport or other vital documents directly to the IRS, reducing the risk of loss or damage. CAAs are trained by the IRS and understand the application requirements thoroughly, which helps minimize errors that could lead to delays. The itin.net Renewal Package, for example, leverages this CAA status to offer a secure and efficient renewal process, aiming for faster IRS processing times compared to direct submissions.

Next Steps After ITIN Renewal

Once your ITIN has been renewed, ensure you update your client information with your new or renewed ITIN. This is crucial for accurate tax reporting by your clients and for your own U.S. tax filings. If you are invoicing U.S. companies, you will likely need to provide updated W-8BEN or W-8BEN-E forms reflecting your valid ITIN. For contractors who have established a U.S. business presence, such as a U.S. LLC, ensure all related tax filings and compliance requirements are also met. If you are unsure about your specific tax obligations or the renewal process, consult with a qualified tax professional. You can review the itin.net Renewal Package details or contact us for personalized assistance.

Practical tips

  • Renew your ITIN proactively if it hasn't been used on a U.S. tax return in three consecutive years, or if your ITIN's middle digits fall within the IRS's current expiration schedule.
  • Ensure the legal name on your Form W-7 exactly matches your passport and any other identification documents submitted.
  • Always include a complete and accurate U.S. federal tax return with your ITIN renewal application, as the ITIN is issued for tax purposes.
  • If you are a foreign contractor in Denmark, verify your U.S. tax treaty benefits and ensure your W-8BEN or W-8BEN-E forms are correctly completed with your renewed ITIN.
  • Consider using a Certified Acceptance Agent (CAA) to submit your renewal application, as this avoids mailing original documents to the IRS and can expedite processing.

Frequently asked questions

How long does ITIN renewal take for someone in Denmark?

When applying through a Certified Acceptance Agent (CAA) like itin.net, the process typically takes 5–10 business days for the IRS to process the application after it's submitted. Direct submissions to the IRS can take considerably longer, often several weeks or months.

Do I need to renew my ITIN if I only work with U.S. clients but don't live in the U.S.?

Yes, you must renew your ITIN if it has expired due to non-use for three consecutive years or due to the IRS's scheduled middle-digit expiration. As a foreign contractor, maintaining a valid ITIN is essential for your U.S. tax compliance and for providing accurate forms to your U.S. clients.

What is the difference between an ITIN and an EIN for a contractor in Denmark?

An ITIN is for individuals who need a U.S. taxpayer identification number but are not eligible for a Social Security number. An EIN (Employer Identification Number) is for businesses, such as a U.S. LLC. As an individual contractor, you will need an ITIN. If you form a business entity, you may need an EIN in addition to potentially needing an ITIN for personal tax filings.

Can I use the Denmark-U.S. tax treaty to avoid renewing my ITIN?

The tax treaty between Denmark and the U.S. relates to avoiding double taxation and can reduce withholding tax rates on certain income. It does not exempt you from the requirement to renew your ITIN if it has expired. A valid ITIN is necessary to claim treaty benefits on your U.S. tax return or through updated W-8 forms.

What happens if I don't renew my ITIN and continue working with U.S. clients?

If your ITIN expires and you continue to work with U.S. clients without renewing it, your clients may be required to withhold U.S. taxes at the highest applicable rate (currently 30% or as otherwise specified by law). This can significantly reduce your earnings and may lead to complications with your U.S. tax obligations.

Is it better to apply directly to the IRS or use a CAA for ITIN renewal from Denmark?

Using a Certified Acceptance Agent (CAA) is generally recommended for individuals in Denmark. A CAA can verify your original documents, reducing the risk of mailing them to the IRS, and can help ensure your application is complete, potentially leading to faster processing.

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