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ITIN Renewal guide for Substack writers based in Kuwait
ITIN12 min read

ITIN Renewal for Substack writers from Kuwait

Substack writers in Kuwait must renew their ITIN to maintain compliant tax reporting for Stripe payouts. Learn the process, required documents, and common pitfalls.

Reviewed by , ITIN Specialist at itin.net.

ITIN Renewal for Substack Writers in Kuwait: The Specific Friction Point

Substack writers in Kuwait face a unique challenge when their U.S. Individual Taxpayer Identification Number (ITIN) expires. Unlike many other non-resident content creators, your primary U.S. tax reporting requirement stems from payment processors like Stripe, which mandate a valid ITIN or EIN for 1099 reporting. An expired ITIN, often due to the IRS's middle-digit expiration schedule or three consecutive years of non-use on a federal tax return, directly impacts your ability to receive payments without backup withholding. This isn't just an administrative inconvenience; it's a direct barrier to earning income from your U.S.-based platform. Proactively addressing ITIN renewal is essential to avoid payment disruptions and ensure compliance with IRS regulations, especially given Kuwait's lack of a comprehensive U.S. income tax treaty that might otherwise simplify cross-border tax obligations.

When ITIN Renewal Becomes Necessary

Your ITIN requires renewal if it has expired according to IRS guidelines. The IRS uses a rolling middle-digit expiration schedule. For example, ITINs ending in '70' were set to expire in 2020, '80' in 2021, '90' in 2022, and '00' in 2023. ITINs ending in '01' are scheduled for expiration in 2024. You can check your ITIN's status directly with the IRS or through a tax professional. Even if your middle digit hasn't reached its expiration year, an ITIN becomes invalid if you have not filed a federal tax return using it for three consecutive tax years. For Substack writers in Kuwait, this means if you haven't filed a U.S. tax return in three years, your ITIN is likely expired and needs renewal, even if the IRS hasn't sent a specific notice like CP-48.

Required Documents for ITIN Renewal

To renew your ITIN, you will need to submit IRS Form W-7 with the 'Renew an Existing ITIN' box checked. The application requires original or certified copies of documentation proving your foreign status and identity. The most commonly accepted document is your valid passport. If your passport is unavailable, other documents can be used, but they must be current and contain your photograph, name, address, date of birth, and nationality. Examples include a national identity card, a foreign driver's license, or a civil birth certificate. It is also highly recommended to include your previous ITIN notice (Form CP-565) if you have it, as this helps the IRS quickly locate your existing record. You must also include a valid U.S. federal tax return for the year you are claiming ITIN for. This tax return is the primary reason for your ITIN application or renewal.

The ITIN Renewal Application Process

The ITIN renewal process can be completed by mail or through a Certified Acceptance Agent (CAA). If you choose to apply by mail, you will send your completed Form W-7, supporting identification documents (original or certified copies), and your federal tax return directly to the IRS. This method typically involves a longer processing time, as the IRS must verify your original documents. Alternatively, you can use a CAA. A CAA can verify your original identification documents, allowing you to submit copies without mailing the originals. This significantly speeds up the process and reduces the risk of losing important personal documents. Once the IRS receives your application and verifies your documentation, they will issue a new ITIN or confirm your existing one. The typical timeline for renewal through a CAA is 5–10 business days, while mail applications can take several weeks or even months.

Common Mistakes for Substack Writers Based in Kuwait

Substack writers in Kuwait often make specific errors during ITIN renewal. One common mistake is failing to proactively check ITIN status. Many wait for an IRS notice (like CP-48), which is not always sent, leading to unexpected payment holds from Stripe. Another pitfall is name mismatches. Ensure the name on your Form W-7 exactly matches your passport and any other supporting documents. Inconsistencies can cause delays or rejections. Forgetting to include a valid U.S. federal tax return with your Form W-7 is also a frequent error; the renewal is tied to your filing obligation. Finally, relying solely on expired identification documents can lead to application failure. Always ensure your passport or other identity documents are current and valid.

The Certified Acceptance Agent (CAA) Advantage

Applying for ITIN renewal through a Certified Acceptance Agent (CAA) offers distinct advantages for Substack writers in Kuwait. A CAA, such as the service offered by itin.net, can authenticate your original identification documents. This means you do not have to mail your original passport or other vital documents to the IRS, mitigating the risk of loss or theft during transit. The CAA performs an in-person verification and forwards certified copies of your documents along with your application. This process is generally faster than mailing directly to the IRS, with a typical turnaround of 5–10 business days for the IRS to process the application once received by the CAA. This efficiency is crucial for writers who need their ITIN updated quickly to comply with Stripe's reporting requirements.

Next Steps After ITIN Renewal

Once your ITIN renewal is complete, you will receive a new ITIN or confirmation of your existing one from the IRS. The next crucial step is to update your payment processor, such as Stripe, with your renewed ITIN. This ensures that your earnings are reported correctly for U.S. tax purposes and avoids any backup withholding. If you have also considered setting up a U.S. business entity, such as a U.S. LLC, to manage your freelance income, you may need an EIN. You can explore EIN applications separately. For Substack writers, maintaining accurate tax documentation is an ongoing process. Review the itin.net Renewal Package for streamlined assistance or contact us to discuss your specific situation.

Practical tips

  • Use the exact same legal name on your Form W-7, passport, and all supporting documents to prevent mismatches.
  • Proactively check your ITIN status before it expires, rather than waiting for an IRS notice.
  • Ensure your U.S. federal tax return accompanying the Form W-7 is complete and accurate for the relevant tax year.
  • When applying through a CAA, use them to verify your original documents to avoid mailing them directly to the IRS.
  • Update your renewed ITIN with Stripe and any other platforms receiving your income promptly after IRS confirmation.

Frequently asked questions

Do I need to renew my ITIN if I haven't earned income from Substack in Kuwait for three years?

Yes, if you haven't filed a U.S. federal tax return using your ITIN for three consecutive years, it is considered invalid and must be renewed, regardless of current income.

What is the typical processing time for ITIN renewal for a Substack writer in Kuwait?

Through a Certified Acceptance Agent (CAA) like itin.net, the process typically takes 5–10 business days once the IRS receives the application. Mail applications can take significantly longer.

Can I use my Kuwaiti national ID as a primary identification document for ITIN renewal?

A Kuwaiti national ID may be acceptable if it contains your photograph, name, address, date of birth, and nationality. However, a valid passport is the most commonly accepted and preferred document.

How does Stripe handle payments if my ITIN expires?

If your ITIN expires and you do not renew it, Stripe may be required to implement backup withholding on your payments, meaning a portion of your earnings will be sent directly to the IRS.

Is there a U.S.–Kuwait tax treaty that affects my ITIN renewal?

There is no comprehensive U.S.–Kuwait income tax treaty. This means you will generally be subject to standard U.S. tax reporting requirements for income earned from U.S. platforms like Substack.

What happens if the IRS rejects my ITIN renewal application?

If your application is rejected, the IRS will send a notice explaining the reason. Common reasons include missing documentation, mismatched names, or invalid identification. You will need to correct the issues and resubmit your application.

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