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ITIN Renewal guide for Substack writers based in the Netherlands
ITIN15 min read

ITIN Renewal for Substack writers from the Netherlands

Substack writers in the Netherlands need to renew their ITIN for IRS tax reporting. Learn the process, required documents, and common pitfalls.

Reviewed by , ITIN Specialist at itin.net.

ITIN Renewal Triggers for Netherlands-Based Substack Writers

Substack writers in the Netherlands with an existing ITIN face renewal requirements primarily due to IRS inactivity rules or the IRS's expiration schedule. An ITIN expires if you do not claim it on a federal tax return for three consecutive years. The IRS also employs a rolling expiration based on the middle digits of the ITIN. For paid Substack writers, this renewal becomes critical when Stripe, their payout processor, requires updated tax information for U.S. tax reporting purposes. Failure to maintain a valid ITIN can disrupt payment processing and lead to backup withholding at the highest rate.

Unlike U.S. residents, non-residents generating U.S.-sourced income, such as from a platform like Substack, must have a valid ITIN or Employer Identification Number (EIN) to file U.S. tax returns. The Netherlands has a tax treaty with the U.S., which can be advantageous for royalty and intellectual property income, but proper tax filing, including a timely ITIN renewal, is still necessary to claim treaty benefits. If your ITIN has expired, you must renew it before filing your next U.S. tax return to avoid further complications.

The IRS typically sends a CP-48 notice to inform taxpayers about an expiring or expired ITIN. However, relying solely on this notice is a common mistake. Many non-residents, especially those living abroad, may not receive these notices due to mail forwarding issues or incorrect address information on file with the IRS. It is more prudent to proactively check your ITIN status and initiate the renewal process well in advance of when you anticipate needing it for tax filing or payment processing.

This proactive approach is particularly important for Substack writers who depend on timely Stripe payouts. Delays in renewing your ITIN can mean delays in receiving your earnings, impacting your cash flow. Understanding the renewal process and its specific triggers for your situation as a non-resident writer is key to maintaining compliance and uninterrupted income.

Required Documentation for ITIN Renewal

Renewing an ITIN requires specific documentation to verify your identity and prior ITIN. The primary form used for renewal is IRS Form W-7, with the 'Renew an Existing ITIN' box checked. This form collects your personal information and details about your previous ITIN.

Key supporting documents include proof of your identity and foreign status. The most commonly accepted document for this purpose is a valid passport. Your passport must be original or a certified copy from the issuing agency (e.g., the embassy or consulate that issued your passport). It should be current and contain your full legal name, photograph, and expiration date.

If you have the old ITIN notice, such as a Form CP-565 (Notice of ITIN Assignment) or Form CP-575 (Notice of ITIN Assignment), it is highly recommended to include it with your application. While not always mandatory, it can significantly expedite the process by providing a direct reference to your previously assigned number. If you no longer have these notices, you can still proceed with the renewal using your passport and tax return.

Finally, you must submit a current federal tax return with your Form W-7 application. For Substack writers in the Netherlands, this would typically be a Form 1040-NR (U.S. Nonresident Alien Income Tax Return) if you are claiming U.S. tax obligations or treaty benefits. The tax return demonstrates your need for an ITIN. Ensure all documents are accurate and match your personal details to avoid processing delays.

The ITIN Renewal Application Process

The ITIN renewal process begins with completing Form W-7, ensuring you check the box indicating you are renewing an existing ITIN. You will need your previously assigned ITIN. If you do not have it readily available, you may be able to retrieve it by contacting the IRS directly, though this can add time to the process.

Gather your supporting documents: your valid passport (original or certified copy), any prior ITIN notices you possess, and your current federal tax return. These documents are essential for verifying your identity and your ongoing need for an ITIN for U.S. tax purposes. Ensure all information across your documents is consistent.

Once your application package is complete, you have two primary options for submission. You can mail the complete package directly to the IRS, which can involve longer processing times and the risk of original documents being lost. Alternatively, you can apply through a Certified Acceptance Agent (CAA). A CAA can verify your original documents, reducing the risk of them being lost in the mail and often expediting the overall process.

Applying through a CAA, like itin.net, typically results in a processing timeline of 5–10 business days from the time your application is accepted by the agent. This is significantly faster than mailing directly to the IRS, which can take several weeks or even months. After your renewal is approved, the IRS will issue a new ITIN assignment letter, and you can then file your tax return using this renewed ITIN.

Common Pitfalls for Netherlands-Based Substack Writers

Substack writers in the Netherlands often encounter specific challenges when renewing their ITIN. One common mistake is failing to proactively check their ITIN status. Many assume they will be notified by the IRS before expiration, but reliance on the CP-48 notice is risky. Mail from the IRS may not reach you reliably in the Netherlands, leading to missed deadlines and potential payment disruptions.

Another pitfall relates to name discrepancies. Ensure the name on your Form W-7 exactly matches the name on your passport and any prior IRS correspondence. Even minor variations, such as a middle initial missing or a slightly different spelling, can cause your application to be rejected. This is especially relevant if your legal name has changed since your initial ITIN application.

Substack writers operating as sole proprietors may overlook the need for a U.S. tax filing if their U.S. income seems minimal. However, any U.S.-sourced income, including royalties from a U.S. platform like Substack, generally requires reporting. Failing to file can lead to an expired ITIN and potential penalties if the IRS discovers the undeclared income. This situation can also affect your ability to open or maintain a U.S. bank account for your business operations.

Lastly, understanding the tax treaty between the Netherlands and the U.S. is crucial. While the treaty may reduce withholding on certain types of income, you still need a valid ITIN to claim these benefits on your U.S. tax return. Incorrectly assuming treaty benefits negate the need for an ITIN or proper filing is a significant error that can lead to unexpected tax liabilities.

Benefits of Using a Certified Acceptance Agent (CAA)

Using a Certified Acceptance Agent (CAA) offers distinct advantages for Substack writers in the Netherlands seeking ITIN renewal. A primary benefit is the verification of your original identification documents. Instead of mailing sensitive originals like your passport directly to the IRS, you present them to the CAA. The CAA then examines these documents and forwards certified copies along with your application.

This document verification service significantly reduces the risk of losing your original passport or other vital documents during transit. The IRS accepts the CAA's certification, meaning you retain your originals throughout the process. This peace of mind is invaluable for individuals living abroad who depend on these documents for daily life and international travel.

CAAs, such as itin.net, are authorized by the IRS to assist applicants with the ITIN application and renewal process. They are trained on IRS procedures and requirements, helping to ensure your application is complete and accurate from the start. This can prevent common errors that lead to delays or rejections, saving you time and potential frustration.

Furthermore, CAAs can often expedite the processing of your ITIN renewal. While the IRS's standard processing time for mailed applications can be lengthy, applications submitted through a CAA are typically processed much faster, often within 5–10 business days. This quicker turnaround is critical for Substack writers who need their renewed ITIN to meet tax filing deadlines or to satisfy payment processor requirements like Stripe's.

Next Steps After ITIN Renewal

Once your ITIN renewal is complete and you have received your new ITIN assignment letter from the IRS, the next crucial step is to file your U.S. federal tax return. For Substack writers in the Netherlands, this typically involves filing Form 1040-NR to report your U.S.-sourced income and claim any applicable deductions or treaty benefits.

Ensure you use the newly renewed ITIN on all relevant tax forms. This includes the main tax return and any supporting schedules or forms, such as those related to claiming tax treaty benefits. Accurate reporting is essential to avoid further issues with the IRS.

If you are operating as a U.S. business entity, such as a U.S. LLC, you will also need to ensure your tax filings are compliant. This might involve filing additional forms like Form 5472 if you are a foreign-owned U.S. entity. Proper tax compliance, including maintaining your ITIN, is fundamental to operating smoothly in the U.S. market.

For those who have not yet established a U.S. business presence or a U.S. bank account, now is an opportune time to consider these steps. A U.S. bank account can simplify financial transactions related to your Substack earnings. You can explore options like opening an account with providers such as Mercury, Relay, or Brex. If you are considering setting up a U.S. LLC, itin.net can assist with that process as well. Reviewing the specific renewal package pricing at itin.net or contacting us directly can provide clarity on the costs and services available for your ITIN renewal needs.

Practical tips

  • Use the same legal name across Form W-7, your passport, and any prior IRS correspondence; mismatched name fields are the most common rejection reason.
  • Submit certified copies of your passport from the issuing agency (e.g., embassy or consulate) if you cannot present the original to a Certified Acceptance Agent.
  • Check your ITIN status proactively via the IRS website or by contacting them directly, rather than waiting for a CP-48 notice.
  • If you have a previous ITIN assignment letter (CP-565 or CP-575), include it with your renewal application to help the IRS locate your record faster.
  • Ensure your current federal tax return is complete and accurate before submitting it with your Form W-7 renewal application; an incomplete return can delay processing.

Frequently asked questions

How long does it take to renew an ITIN through itin.net?

Applying through a Certified Acceptance Agent like itin.net typically takes 5–10 business days for processing after your application is accepted. This is significantly faster than mailing your application directly to the IRS.

Can I renew my ITIN if I haven't filed a U.S. tax return in over three years?

Yes, you can renew your ITIN even if you haven't filed a U.S. tax return for three consecutive years. The IRS expiration schedule based on middle digits may also apply. You will need to submit a current federal tax return with your renewal application to demonstrate your ongoing need for the ITIN.

Do I need to send my original passport to the IRS for ITIN renewal?

No, you do not need to send your original passport to the IRS if you apply through a Certified Acceptance Agent (CAA). The CAA will verify your original documents and send certified copies to the IRS, allowing you to keep your original passport.

What if my name has changed since my last ITIN application?

If your legal name has changed, you must provide legal documentation of the name change (e.g., marriage certificate, court order) along with your renewed Form W-7 and updated identification documents showing your current legal name.

Can Stripe withhold payments if my ITIN is expired?

Yes, Stripe may withhold payments if your ITIN is expired or invalid, especially if they require updated U.S. tax documentation. They might apply backup withholding at the highest applicable rate until you provide a valid ITIN.

Is the Netherlands–U.S. tax treaty relevant for ITIN renewal?

The Netherlands–U.S. tax treaty is relevant for determining your U.S. tax liability on certain income types, like royalties. However, the treaty itself does not affect the ITIN renewal process. You still need a valid ITIN to file your U.S. tax return and claim treaty benefits.

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