Why Amazon KDP Authors in New Zealand Need an ITIN
Amazon KDP authors based in New Zealand face a specific challenge with U.S. tax withholding on their royalty income. Without a U.S. Taxpayer Identification Number, Amazon is required by the IRS to withhold 30% of your gross royalties for U.S. income tax. This significantly impacts your earnings. The Individual Taxpayer Identification Number (ITIN) is the solution to this problem, allowing you to reduce or eliminate this withholding.
As a New Zealand resident earning income from a U.S. source (your Amazon KDP royalties), you are subject to U.S. tax rules. While you are not a U.S. person, the IRS requires proper identification for tax purposes. The ITIN serves as this identification for individuals who do not qualify for a Social Security Number (SSN). For Amazon KDP authors, obtaining an ITIN is not merely optional; it's a direct mechanism to protect your income from excessive U.S. taxation.
This process is distinct from that of U.S. residents or even non-residents earning income through other U.S. channels. The specific platform (Amazon KDP), the nature of the income (royalties), and your country of residence (New Zealand) create a unique scenario. Understanding these specifics is key to a smooth application. The U.S. has a tax treaty with New Zealand, which can further reduce withholding rates once you have your ITIN and submit the correct forms to Amazon.
ITIN Eligibility and Triggers for Amazon KDP Authors
You need an ITIN if you are a non-resident alien required to file a U.S. tax return or report U.S. income, and you do not have and cannot obtain an SSN. For Amazon KDP authors in New Zealand, the primary trigger is the receipt of royalty payments from U.S.-based entities like Amazon. These payments are considered U.S.-sourced income, irrespective of where you live.
The IRS mandates that foreign individuals receiving U.S. income must have a U.S. Taxpayer Identification Number. While some might think of an EIN (Employer Identification Number) for businesses, an ITIN is for individuals. If you are earning royalties directly as an individual author, the ITIN is the correct identification number. You will use this ITIN on IRS Form W-8BEN, which you submit to Amazon to claim treaty benefits and reduce the 30% withholding tax.
Without an ITIN, the default withholding rate applied by Amazon is 30%. By obtaining an ITIN and correctly completing the W-8BEN form, you can typically reduce this rate to 0% or a lower treaty-negotiated rate, depending on the specific provisions of the U.S.-New Zealand tax treaty. This is a critical step to ensure you retain the majority of your hard-earned royalties. The process of applying for an ITIN is initiated using IRS Form W-7.
Required Documents for Your ITIN Application
To apply for an ITIN, you must submit IRS Form W-7, Application for IRS Individual Taxpayer Identification Number. This form requires supporting documentation to verify your identity and foreign status. The most commonly accepted primary identification document is a valid, unexpired passport.
In addition to the Form W-7, you will need to provide original or certified copies of documents proving your identity and foreign status. If you use your passport, it serves as both identity and foreign status verification. If your passport is not available, other documents such as a national identity card, driver's license, or birth certificate may be accepted, but they must be presented along with other documentation to establish both identity and foreign status.
Crucially, you must also include a U.S. federal income tax return with your Form W-7 application, unless you qualify for an exception. For most Amazon KDP authors, this will be a 1040-NR (U.S. Nonresident Alien Income Tax Return) for the year you are claiming deductions or credits, or if you are applying for an ITIN solely to comply with IRS requirements for withholding. The IRS will not process a Form W-7 without an accompanying tax return unless an exception applies. Missing or incomplete documentation is a primary reason for application delays or rejections.
The ITIN Application Process and Timeline
The ITIN application process involves several steps, beginning with gathering your required documentation. First, you must complete IRS Form W-7 accurately and thoroughly. Pay close attention to all fields, ensuring your name, address, and other personal details match exactly what is on your supporting identification documents.
Next, you must prepare your U.S. federal income tax return. This return must be filed for the tax year for which you are applying for the ITIN, or for which you are claiming treaty benefits. This is a mandatory requirement for most applicants, including Amazon KDP authors seeking to reduce withholding.
Once your Form W-7 and tax return are ready, you have three options for submission: mail them directly to the IRS, visit an IRS Taxpayer Assistance Center (TAC) appointment, or use a Certified Acceptance Agent (CAA). Mailing originals to the IRS can take a long time, and you risk losing critical documents. IRS TACs require appointments that can be difficult to secure. Using a CAA, like itin.net, is often the most efficient method. A CAA can verify your original documents and forward your application to the IRS. When filed via a CAA, the typical processing timeline for an ITIN is approximately 5–10 business days from the date the IRS receives your application. If you mail your application directly, expect it to take 8–11 weeks, and potentially longer during peak tax seasons. The IRS will mail your ITIN, typically on IRS Letter CP-565, once approved.
Common Pitfalls for Amazon KDP Authors from New Zealand
Amazon KDP authors from New Zealand often encounter specific issues during the ITIN application process. A frequent mistake is failing to submit a complete and accurate tax return alongside the Form W-7. Many authors mistakenly believe they only need the W-7, overlooking the requirement for the accompanying tax filing, which is essential for claiming treaty benefits and reducing withholding.
Another common pitfall is incorrect treaty claims. While the U.S. has a tax treaty with New Zealand, authors must correctly identify the relevant treaty article and the applicable withholding rate on their Form W-7 and tax return. Errors in this section can lead to delays or incorrect tax treatment. Ensure you are claiming benefits under the correct article for royalty income.
Mismatched names between your Form W-7, your passport, and your Amazon KDP account can also cause significant problems. The IRS requires absolute consistency. If your legal name differs slightly from how it appears on your passport or Amazon account, it can lead to rejection. Double-checking all name spellings and ensuring they align perfectly is critical. Finally, some authors attempt to submit photocopies instead of original documents or certified copies when applying through channels that require them, leading to application rejection.
Benefits of Using a Certified Acceptance Agent (CAA)
Applying for an ITIN through a Certified Acceptance Agent (CAA) offers distinct advantages, especially for Amazon KDP authors in New Zealand. As an IRS-authorized entity, a CAA can authenticate your original identification documents, such as your passport. This means you do not have to mail your vital original documents to the IRS, mitigating the risk of loss or theft during transit.
CAAs are trained by the IRS to ensure your Form W-7 and supporting documentation are complete and accurate before submission. This significantly reduces the chances of your application being rejected due to common errors, such as missing information or incorrect treaty claims. The IRS processes applications submitted by CAAs more quickly. The typical turnaround time for an ITIN application submitted through a CAA is 5–10 business days, compared to several weeks or months when applying directly.
At itin.net, we act as a CAA, streamlining the process for you. We guide you through each step, verify your documents, and submit your application directly to the IRS. This service is designed to make the ITIN application as hassle-free as possible, ensuring compliance while protecting your original documents. This expedited process is particularly beneficial for authors eager to reduce their U.S. withholding tax as soon as possible.
Next Steps After Obtaining Your ITIN
Once you receive your ITIN from the IRS, typically on IRS Letter CP-565, your next step is to update your tax information with Amazon KDP. You will need to submit a new IRS Form W-8BEN to Amazon, including your newly issued ITIN. This form allows Amazon to apply the correct, lower withholding tax rate to your future royalty payments, as per the U.S.-New Zealand tax treaty.
It is also important to keep your ITIN documentation in a safe place. You will need it for any future U.S. tax filings or dealings with the IRS. If you have any U.S. income or tax obligations in subsequent years, your ITIN will be essential. Remember that an ITIN must be renewed every five years if it is not used on a U.S. tax return during that period.
For authors in New Zealand, ensuring your tax affairs are in order is crucial for maximizing your income from Amazon KDP. If you need assistance with the ITIN application process, or if you have questions about U.S. tax obligations for non-residents, consider reviewing the services offered by itin.net. You can explore our pricing or contact us directly for personalized guidance.
Practical tips
- Use the exact same legal name on your Form W-7 as it appears on your passport. Any discrepancies, even minor ones, can lead to rejection.
- Ensure your accompanying U.S. tax return is complete and accurate, reflecting your royalty income and any applicable treaty benefits. This is a mandatory step unless you qualify for an exception.
- When submitting your Form W-7 via a Certified Acceptance Agent (CAA), you will not need to mail your original passport or other identity documents. The CAA will verify them.
- After receiving your ITIN, promptly update your tax information with Amazon KDP by submitting a new Form W-8BEN. This ensures the correct withholding rate is applied to your royalties.
- Keep a copy of your approved ITIN (IRS Letter CP-565) and any related tax filings in a secure location. You will need this information for future U.S. tax obligations.
Frequently asked questions
Do I need an ITIN if I am an Amazon KDP author in New Zealand and only earn royalties?
Yes, if you are a New Zealand resident earning royalties from Amazon KDP, you will need an ITIN to avoid the 30% U.S. withholding tax on your earnings. You'll use this ITIN on IRS Form W-8BEN to claim treaty benefits.
How long does it take to get an ITIN as a New Zealand resident?
When applying through a Certified Acceptance Agent (CAA) like itin.net, the process typically takes 5–10 business days from the date the IRS receives your application. Applying directly to the IRS can take 8–11 weeks or longer.
Can I use my New Zealand driver's license as identification for my ITIN application?
Your New Zealand driver's license can be used as a supporting identification document, but it is not preferred as a primary document. A valid passport is the most accepted form of identification for ITIN applications.
What happens if I don't get an ITIN for my Amazon KDP royalties?
If you do not have an ITIN and do not submit a valid Form W-8BEN to Amazon, Amazon is required by the IRS to withhold 30% of your gross royalty payments as U.S. income tax.
Do I need to file a U.S. tax return every year after getting an ITIN?
You are required to file a U.S. tax return if you have U.S. income that is not fully covered by withholding or treaty benefits. For Amazon KDP authors, filing is often necessary to claim treaty benefits and reduce withholding. An ITIN must also be used on a tax return every three years to keep it active, unless you are exempt.
What is the difference between an ITIN and an EIN for authors?
An ITIN (Individual Taxpayer Identification Number) is for individuals who need to file U.S. taxes but cannot get an SSN. An EIN (Employer Identification Number) is for businesses. As an individual author earning royalties, you need an ITIN. If you were operating as a U.S. LLC, you would need an EIN.



