Skip to main content
itin.net
Illustration for an ITIN article aimed at Amazon KDP authors based in Mexico
ITIN15 min read

How Amazon KDP authors from Mexico Get an ITIN

Amazon KDP authors in Mexico need an ITIN to avoid 30% U.S. withholding tax on royalties and claim treaty benefits. Learn the application process and common pitfalls.

Reviewed by , ITIN Specialist at itin.net.

Why Amazon KDP Authors in Mexico Need an ITIN

Amazon KDP authors based in Mexico face a specific challenge: U.S. withholding tax on their book royalties. Without a U.S. Taxpayer Identification Number, such as an ITIN, Amazon is required by the IRS to withhold 30% of your gross royalty payments. This is a significant reduction in earnings that can be avoided by obtaining an ITIN. The ITIN allows you to file Form W-8BEN with Amazon, certifying your foreign status and enabling you to claim benefits under the U.S.-Mexico tax treaty. This treaty can reduce or eliminate the 30% withholding tax, depending on the specific circumstances of your income. For authors in Mexico, this means keeping a larger portion of the income generated from your books sold on the Amazon platform. The process of obtaining an ITIN is managed by the IRS, and while it can be done directly, using a service like itin.net can streamline the application.

This withholding applies to U.S.-sourced income, which includes royalties from books sold through U.S.-based platforms like Amazon KDP. Even if you are not a U.S. resident and have no intention of living or working in the United States, the income you earn from these U.S. sources triggers U.S. tax obligations. The ITIN is the IRS's solution for individuals who have these U.S. tax filing requirements but do not qualify for a Social Security Number. It serves solely for tax reporting and withholding purposes. Without it, you are subject to the highest statutory withholding rate, which significantly impacts your net income from KDP. Therefore, for Amazon KDP authors in Mexico, securing an ITIN is not just a procedural step but a critical financial one.

When an ITIN is Required for KDP Authors

An ITIN is required for Amazon KDP authors in Mexico primarily to avoid the mandatory 30% U.S. withholding tax on royalties. When you set up your KDP account, you are prompted to provide tax information. If you indicate you are not a U.S. person, you will need to complete a Form W-8BEN. This form requires you to provide a U.S. Taxpayer Identification Number. If you do not have an ITIN or an SSN, you will be subject to the default 30% withholding rate on your earnings. The IRS mandates this withholding to ensure that non-residents are taxed on their U.S.-sourced income.

Beyond royalty payments, an ITIN may also be necessary if you have other U.S. income streams or tax filing obligations. For instance, if you own U.S. rental property or have other investments generating U.S. income, you might need an ITIN. The U.S.-Mexico tax treaty offers potential benefits, such as reduced withholding rates on certain types of income, but claiming these benefits typically requires you to have a U.S. Taxpayer Identification Number. For Amazon KDP authors, the most immediate and impactful reason to obtain an ITIN is to optimize your royalty income by reducing or eliminating the withholding tax. Without a valid ITIN, the 30% withholding is applied automatically to all U.S.-sourced royalty payments. This is not an optional tax; it's a requirement enforced by the IRS on payments made to foreign individuals without a U.S. tax ID.

Required Documents for the ITIN Application

Applying for an ITIN requires submitting specific documentation to the IRS. The primary form is the IRS Form W-7, Application for IRS Individual Taxpayer Identification Number. This form collects your personal information, U.S. tax liability details, and the reason for your ITIN application. You must also provide original or certified copies of identification documents to prove your identity and foreign status. The most commonly accepted and preferred document is a valid passport. Your passport serves as both proof of identity and nationality.

If a passport is not available, other documents may be accepted, but the process can become more complex. These can include a national identity card, driver's license, birth certificate, or foreign military identification card. When submitting documents other than a passport, you typically need to provide at least two forms of identification from a specific list provided by the IRS. In addition to your identification, you must submit a U.S. federal income tax return, unless you qualify for an exception. For Amazon KDP authors, this would typically be the tax return you are filing to claim treaty benefits and avoid the 30% withholding. The IRS will review all submitted documents carefully. If you are applying through a Certified Acceptance Agent (CAA), you can present your original documents to them, and they will verify them, returning them to you on the spot. This avoids the risk of mailing original documents to the IRS. The itin.net Standard Package includes assistance with gathering and submitting these required documents.

The ITIN Application Process and Timeline

The ITIN application process begins with completing Form W-7 and gathering supporting documents. For Amazon KDP authors in Mexico, this typically involves your passport and a U.S. tax return claiming treaty benefits. You can submit your application directly to the IRS or through an authorized Certified Acceptance Agent (CAA). Direct submission involves mailing your completed Form W-7, original or certified identification documents, and your U.S. tax return to the IRS ITIN Operation in Austin, Texas. The IRS will then review your application. If approved, they will issue your ITIN and mail it to you, along with your tax return. This direct method can take longer, as the IRS is processing many applications and you must mail sensitive original documents.

Using a Certified Acceptance Agent (CAA) like itin.net offers a more streamlined and secure process. With a CAA, you present your original identification documents in person. The CAA verifies these documents, authenticates your identity, and forwards your application package to the IRS. This verification by the CAA means you do not have to mail your original passport or other identification to the IRS, significantly reducing the risk of loss or theft. The typical timeline for processing an ITIN application submitted through a CAA is much faster, often around 5–10 business days from when the IRS receives the application. The IRS then issues a Form CP-565, ITIN Assignment Letter, to confirm your ITIN. This faster processing and added security make the CAA route a preferred option for many applicants, including Amazon KDP authors seeking to quickly resolve their tax withholding issues. The itin.net Standard Package includes full assistance through the CAA process.

Common Mistakes for Amazon KDP Authors from Mexico

Amazon KDP authors from Mexico often make specific errors when applying for an ITIN, largely due to misunderstanding U.S. tax regulations and the application process. A frequent mistake is failing to correctly claim benefits under the U.S.-Mexico tax treaty on Form W-7. This involves specifying the correct treaty article and withholding rate reduction, which can be complex. If this section is incomplete or incorrect, the IRS may deny your treaty benefits and still apply the 30% withholding.

Another common pitfall is submitting an incomplete or inaccurate Form W-7. Missing signatures, incorrect personal information (especially names that don't match your identification documents), or improper responses to questions about your U.S. tax liability can lead to delays or rejections. For example, using a different legal name on your W-7 than what appears on your passport is a common issue. Furthermore, authors may mistakenly believe they don't need to file a U.S. tax return to get an ITIN, especially if they only have royalty income. However, to claim treaty benefits and reduce withholding, filing a tax return is usually mandatory. Lastly, some authors try to submit copies of their identification documents instead of originals or certified copies, or they fail to have their documents properly certified if they are not using a CAA. These errors can delay your application significantly or result in its denial, leaving you subject to the 30% withholding on your KDP royalties.

Benefits of Using a Certified Acceptance Agent (CAA)

A Certified Acceptance Agent (CAA) is an individual or entity authorized by the IRS to assist taxpayers in obtaining ITINs. For Amazon KDP authors in Mexico, using a CAA, such as itin.net, offers distinct advantages over applying directly to the IRS. The primary benefit is the authentication of your identity and supporting documents. Instead of mailing your original passport or other vital identification to the IRS, you present them to the CAA. The CAA representative will examine your documents, verify their authenticity, and then forward your completed application package to the IRS. This process significantly reduces the risk of your original documents being lost, stolen, or damaged in transit.

Furthermore, CAAs can help ensure your application is complete and accurate before it is submitted to the IRS. This can prevent common errors that lead to delays or rejections. A CAA understands the nuances of the ITIN application process and can guide you through the complexities, especially concerning treaty claims relevant to authors earning U.S. income. The IRS typically processes applications submitted through CAAs more quickly than those sent directly. While the IRS processing time itself remains variable, the verification step by the CAA is immediate, and their streamlined submission process can lead to a faster overall resolution. By leveraging the expertise and services of a CAA, Amazon KDP authors can gain peace of mind, knowing their application is handled correctly and efficiently, and they can start receiving their full royalty payments sooner. itin.net is an authorized Certified Acceptance Agent.

Next Steps After Obtaining Your ITIN

Once you receive your ITIN, the most immediate next step is to update your tax information with Amazon KDP. You will need to log into your KDP account and enter your new ITIN on your tax information interview. This will allow Amazon to update their records and stop the 30% U.S. withholding on future royalty payments, provided you have correctly certified your foreign status and any applicable treaty benefits on Form W-8BEN. Ensure you use the exact name and number assigned by the IRS.

After updating KDP, consider your ongoing U.S. tax obligations. Even with reduced withholding, you may still have a U.S. tax filing requirement each year, especially if your income exceeds certain thresholds or if you wish to claim further treaty benefits. It's advisable to consult with a tax professional specializing in U.S. expatriate or non-resident taxation to understand your annual filing responsibilities. If you also plan to establish a U.S. business entity, such as a U.S. LLC, you will need an Employer Identification Number (EIN) in addition to your ITIN; itin.net also provides services for obtaining an EIN. For authors looking to manage their U.S. income more effectively, opening a U.S. bank account can also be beneficial. Understanding these next steps ensures you remain compliant with U.S. tax law and maximize your earnings from your Amazon KDP endeavors. If you need assistance with your ITIN application or have further questions, you can review our pricing or contact us directly.

Practical tips

  • Use the exact legal name on your Form W-7 as it appears on your passport or other primary identification document. Mismatched names are a primary reason for ITIN application rejections.
  • Ensure your submitted U.S. tax return is complete and accurate, especially the sections related to claiming benefits under the U.S.-Mexico tax treaty. Errors here can lead to denied treaty benefits.
  • If you are applying through a Certified Acceptance Agent (CAA), you do not need to mail your original passport. The CAA will verify your original documents, saving you the risk of sending them to the IRS.
  • Understand that an ITIN is for tax purposes only. It does not grant you the right to work in the United States or provide any immigration benefits.
  • Keep a copy of your submitted Form W-7 and all supporting documents for your records. You will need these for future tax filings and potential audits.

Frequently asked questions

How quickly can I get an ITIN if I'm an Amazon KDP author in Mexico?

If you apply through a Certified Acceptance Agent (CAA) like itin.net, the IRS processing time is typically 5-10 business days after they receive your application. However, this does not include the time it takes for you to gather documents or for the CAA to process your application before submission to the IRS.

Do I need an ITIN if my Amazon KDP royalties are less than $100?

Even if your royalties are below $100, Amazon KDP will still apply the 30% U.S. withholding tax on U.S.-sourced income if you do not provide a U.S. Taxpayer Identification Number (like an ITIN) and a completed Form W-8BEN. Obtaining an ITIN allows you to claim treaty benefits to reduce or eliminate this withholding.

Can I use my Mexican voter ID or CURP as identification for my ITIN application?

The IRS prefers a valid passport as primary identification for ITIN applications. If a passport is unavailable, other documents may be accepted, but typically require at least two forms of ID from a specific list. A Mexican voter ID or CURP may be accepted as a secondary document, but you must verify the current IRS requirements or consult with a Certified Acceptance Agent.

What happens if I don't update my ITIN with Amazon KDP after receiving it?

If you do not update your ITIN with Amazon KDP, they will continue to withhold 30% of your U.S.-sourced royalty payments. Once you provide your ITIN and a valid Form W-8BEN, Amazon will stop the withholding and pay you the correct amount according to U.S. tax law and any applicable treaty benefits.

Do I need to file a U.S. tax return every year after getting an ITIN?

Whether you need to file a U.S. tax return annually depends on your total U.S. income and filing status. If you are claiming treaty benefits to reduce withholding on your Amazon KDP royalties, you are generally required to file a U.S. tax return (e.g., Form 1040-NR) each year to report that income and claim those benefits. Confirm your specific filing obligations with a tax professional.

Can I use my ITIN to open a U.S. bank account?

While an ITIN is primarily for tax purposes, some U.S. banks may accept it as a form of identification to open a business or personal bank account, especially if you are also opening a U.S. LLC. However, policies vary by bank. For instance, opening a U.S. bank account often requires more than just an ITIN, and some banks might require proof of a U.S. address or a U.S. business presence. If you are forming a U.S. LLC, the process of opening a U.S. bank account is often facilitated.

Ready to Apply for Your ITIN?

Our IRS-Certified Acceptance Agents make the process simple and remote — from anywhere in the world.

  • IRS Certified
  • 5–10 Business Days
  • Money-Back Guarantee