Why Indian Substack Writers Need an ITIN
Substack writers in India face a specific tax reporting challenge when they earn income from U.S.-based platforms like Substack, especially when payouts are processed through services like Stripe. The U.S. Internal Revenue Service (IRS) requires individuals who must file U.S. taxes but cannot obtain a Social Security Number (SSN) to apply for an Individual Taxpayer Identification Number (ITIN). For Indian writers, this often arises because U.S. platforms or payment processors need a valid U.S. tax identification number to correctly report payments made to non-U.S. residents. Without an ITIN, you might face higher backup withholding rates on your earnings, impacting your net income significantly. The India-U.S. tax treaty, specifically Article 12 concerning royalties, offers a reduced withholding rate of 15% for certain income types, but claiming this benefit typically requires a valid ITIN. Therefore, obtaining an ITIN is not just about compliance; it's about ensuring you receive your earnings with the correct tax treatment applied.
ITIN Eligibility and Triggers for Indian Substack Writers
You generally need an ITIN if you are a non-resident alien and have a U.S. tax filing obligation, but do not have and are not eligible for an SSN. For Substack writers in India, the primary trigger is receiving payments from U.S. sources that are subject to U.S. tax reporting. Platforms like Substack, and more commonly their payment processors such as Stripe, are required by the IRS to collect U.S. taxpayer identification numbers. If you are paid via Stripe, and you are not a U.S. person, Stripe will likely request your ITIN to fulfill its IRS reporting obligations, such as issuing a Form 1099-NEC or 1042-S. Failure to provide a valid ITIN by the platform's deadline can result in backup withholding at a higher rate, typically 30%, on your earnings. Additionally, if you have other U.S. income, such as from U.S. investments or business activities, you may also be required to file a U.S. tax return and thus need an ITIN. The India-U.S. tax treaty's provisions for reduced withholding on royalties also necessitate an ITIN to properly claim the lower 15% rate.
Required Documents for Your ITIN Application
To apply for an ITIN, you must complete IRS Form W-7. This application requires you to submit original or certified copies of identification documents. The most commonly accepted primary identification document is a valid passport, which serves as proof of your identity and nationality. If a passport is unavailable, other documents like a national identity card, birth certificate, or driver's license may be accepted, but these usually need to be presented along with additional supporting documents to verify your identity and foreign status. Along with the Form W-7, you must include a valid U.S. federal income tax return. For Substack writers, this would typically be your Form 1040-NR (U.S. Nonresident Alien Income Tax Return), unless you qualify for an exception. If you are claiming treaty benefits, like the reduced 15% withholding rate on royalties under Article 12 of the India-U.S. tax treaty, you must also include documentation supporting your claim, such as proof of your residency in India. Ensure all submitted documents are either originals or certified copies from the issuing agency. Mailing original documents to the IRS carries a risk of loss, which is why using a Certified Acceptance Agent is often preferred.
The ITIN Application Process for Indian Residents
Applying for an ITIN involves several key steps. First, you must complete and sign Form W-7, Application for IRS Individual Taxpayer Identification Number. This form requires basic personal information, your foreign tax identification number (if applicable), and details about your U.S. tax filing requirement. Second, you need to prepare the accompanying U.S. federal income tax return that you are filing. For many Substack writers, this will be Form 1040-NR. You must also gather your original or certified identification documents, such as your passport. Once these are assembled, you have three main options for submission: mail the application package directly to the IRS, apply through a designated IRS Taxpayer Assistance Center (TAC), or use a Certified Acceptance Agent (CAA). When applying through a CAA, they verify your identity documents and forward your application to the IRS on your behalf. The typical processing timeline for an ITIN application submitted via a CAA is much faster, usually within 5–10 business days. Applications mailed directly to the IRS can take significantly longer, often 10–14 weeks, and carry the risk of original document loss. After processing, the IRS will issue your ITIN, which will be communicated to you via mail on IRS notice CP-565.
Common Mistakes for Indian Substack Writers
Substack writers in India often make specific mistakes when applying for an ITIN. One common error is failing to submit a complete and accurate Form W-7. This includes missing signatures, incorrect personal information that doesn't match your identification documents, or errors in your U.S. tax return. Another frequent pitfall is not correctly claiming tax treaty benefits. If you intend to benefit from the reduced 15% withholding rate on royalties under the India-U.S. tax treaty, you must explicitly claim this on your tax return and provide any necessary supporting documentation as required by the IRS. Mismatched names across your application forms and identification documents are a significant issue; ensure your legal name is identical on your passport, Form W-7, and your tax return. Furthermore, some writers mistakenly believe they only need an ITIN if they owe U.S. taxes, but an ITIN is required for reporting purposes even if no tax is due, especially if backup withholding is applied. Finally, sending original identification documents directly to the IRS without using a Certified Acceptance Agent exposes you to the risk of losing these vital personal documents.
The Certified Acceptance Agent (CAA) Advantage
Using a Certified Acceptance Agent (CAA) like itin.net significantly streamlines the ITIN application process for Substack writers in India. A CAA is an individual or entity appointed by the IRS to help taxpayers apply for ITINs. The primary benefit of using a CAA is that they can authenticate your original identification documents, such as your passport. This means you do not have to mail your original documents to the IRS, mitigating the risk of loss or theft. Instead, the CAA reviews your documents, verifies your identity, and forwards your completed Form W-7 and tax return package to the IRS on your behalf. This verification process by a trusted third party often leads to faster processing times. While the IRS standard processing time can be many weeks or even months, applications submitted through a CAA are typically processed within 5–10 business days. This expedited service is invaluable for writers who need their ITIN quickly to avoid higher withholding rates or to meet platform deadlines. The CAA also ensures your application is complete and accurate before submission, reducing the chances of rejection due to common errors.
Next Steps After Obtaining Your ITIN
Once you receive your ITIN from the IRS via notice CP-565, you can provide it to Substack and your payment processor, such as Stripe. This ensures that future payments are reported correctly and that any applicable tax treaty benefits are applied, potentially reducing your withholding rate to 15% on royalties. Update your tax information on the platform promptly to avoid further backup withholding. If you plan to establish a U.S. business presence, such as a U.S. LLC, an ITIN can be useful for certain filings, although an Employer Identification Number (EIN) is more commonly required for business entities. It's also important to keep your ITIN information secure. For ongoing U.S. tax compliance, you will need to file a U.S. tax return annually. If you found this process complex or want to ensure accuracy, consider utilizing professional services. For instance, itin.net offers a Standard Package for ITIN applications starting at $497, with renewals available for $397. You can also contact us for assistance with your ITIN needs.
Practical tips
- Use the same legal name across Form W-7, your passport, and any prior IRS correspondence; mismatched name fields are a common reason for rejection.
- If claiming the India-U.S. tax treaty rate (15% on royalties), ensure your tax return explicitly states the treaty article and country of residence.
- When submitting supporting documents, always include a copy of your passport's biographical page, even if you are using other identification documents.
- If you are applying for an ITIN for yourself and your spouse or dependents, submit all applications together in one package to potentially expedite processing.
- Keep a copy of your submitted Form W-7 and tax return for your records; the IRS may request these documents again in the future.
Frequently asked questions
How long does it take to get an ITIN for an Indian resident?
When applying through a Certified Acceptance Agent (CAA) like itin.net, the typical processing time for an ITIN application is 5–10 business days. If you mail your application directly to the IRS, it can take 10–14 weeks or longer.
Do I need an ITIN if I am not earning U.S. income directly, but through Substack?
Yes, if Substack or its payment processor (like Stripe) reports your earnings to the IRS as U.S.-sourced income, they will likely require a U.S. taxpayer identification number. An ITIN is necessary for this purpose if you are not eligible for an SSN.
Can I use my Aadhaar card as identification for my ITIN application?
The IRS does not accept the Aadhaar card as a primary identification document for ITIN applications. You will need to use a valid passport or other acceptable documents like a birth certificate or driver's license, which must be certified by the issuing agency.
What is the difference between an ITIN and an EIN?
An ITIN (Individual Taxpayer Identification Number) is for individuals who have U.S. tax obligations but no SSN. An EIN (Employer Identification Number) is for businesses and business entities, used for tax reporting related to business operations. Substack writers typically need an ITIN unless they form a U.S. business entity which would then require an EIN.
How do I claim the India-U.S. tax treaty benefits on my ITIN application?
To claim treaty benefits, such as the 15% reduced withholding on royalties, you must file a U.S. tax return (e.g., Form 1040-NR) and explicitly claim the treaty benefits on the return, referencing the specific article and country (India). Supporting documentation may also be required.
What happens if I don't provide an ITIN to Stripe or Substack?
If you do not provide a valid ITIN by the deadline set by Stripe or Substack, they are likely to implement backup withholding on your payments. This typically means a higher tax rate, often 30%, will be withheld from your earnings until you provide a valid ITIN.



