Skip to main content
itin.net
Visual cover for ITIN guidance for Walmart marketplace sellers based in Iceland
ITIN15 min read

ITIN Tips for Walmart marketplace sellers from Iceland

Walmart marketplace sellers in Iceland require an ITIN for U.S. tax filings. Learn the application process, required documents, and common pitfalls to ensure a smooth submission.

Reviewed by , ITIN Specialist at itin.net.

Why Walmart Marketplace Sellers in Iceland Need an ITIN

Walmart marketplace sellers based in Iceland face a specific hurdle: the platform requires a U.S. business entity and an Employer Identification Number (EIN) for onboarding. While the EIN is for the business, the individuals behind the business, if not U.S. citizens or resident aliens, often need an Individual Taxpayer Identification Number (ITIN) for their personal U.S. tax obligations. This is particularly true if they are drawing income from their U.S. business activities or have other U.S. tax reporting requirements. The ITIN is a 9-digit IRS tax ID for individuals who must file U.S. taxes but cannot obtain a Social Security Number (SSN). Without an ITIN, these sellers may be unable to fully comply with U.S. tax laws related to their U.S.-based business income, potentially leading to penalties and missed opportunities for tax treaty benefits. The process of obtaining an ITIN is distinct from getting an EIN, though both are critical for operating a U.S. business as a non-resident.

Unlike a generic non-resident earning U.S. passive income, Walmart marketplace sellers in Iceland are actively engaged in commerce within the U.S. through a regulated platform. This active business presence triggers specific tax considerations that necessitate proper identification with the IRS. The ITIN serves as this personal identifier, bridging the gap between your Icelandic residency and your U.S. business operations. Understanding this distinction is the first step in ensuring compliance and maximizing your business's financial health. This guide focuses on the ITIN application specifically for this niche group, addressing the unique challenges and requirements they encounter.

ITIN Eligibility and Triggers for Icelandic Sellers

An ITIN is required for Icelandic residents selling on the Walmart marketplace if they have a U.S. tax filing obligation and do not have, nor are eligible for, a Social Security Number (SSN). The primary trigger for needing an ITIN in this scenario is often related to filing U.S. federal income tax returns. For instance, if your business structure, despite being an LLC, generates income that is considered effectively connected with a U.S. trade or business, or if you are receiving distributions or payments that are subject to U.S. tax withholding, you will likely need to file a U.S. tax return. The IRS Form 1040-NR, U.S. Nonresident Alien Income Tax Return, is the typical form filed in such cases, and it requires an ITIN.

Furthermore, even if your business entity is an LLC, and you are a non-resident alien, you may have reporting requirements that necessitate an ITIN. For example, if your U.S. LLC is a disregarded entity for U.S. tax purposes (meaning it's treated as a branch or division of the owner), you would report the income and expenses on your personal U.S. tax return (Form 1040-NR), thus requiring an ITIN. If your LLC is taxed as a corporation or partnership, the entity itself may need an EIN, but the individual owners who are not U.S. residents may still require an ITIN for various reasons, including claiming tax treaty benefits or reporting certain types of income. The U.S. tax treaty between Iceland and the U.S. may offer reduced withholding rates on certain types of U.S. income, but claiming these benefits typically requires filing a U.S. tax return, which in turn requires an ITIN. Confirm your specific filing obligations with a qualified tax professional.

Required Documents for Your ITIN Application

To apply for an ITIN, you must complete IRS Form W-7, Application for IRS Individual Taxpayer Identification Number. This form requires specific personal information and documentation to verify your identity and foreign status. The most critical component alongside the Form W-7 itself is proof of your identity and foreign status. The IRS prefers a valid, unexpired passport as the primary identification document. If you do not have a passport, other documents can be used, but they must be presented in a specific combination to be acceptable.

Acceptable alternative documents include a national identity card (showing name, photograph, address, date of birth, and expiration date), a U.S. driver's license, a foreign driver's license, a U.S. state-issued ID card, a foreign voter's registration card, a U.S. military ID card, a foreign military ID card, a valid foreign vaccination record, or a national identification card. If you are applying based on being a dependent or a spouse of a certificate holder, you will need to provide additional documentation like a birth certificate or marriage certificate. Crucially, you must also submit a U.S. federal income tax return with your Form W-7 application, unless you qualify for an exception (such as applying as a non-resident alien not required to file). For Walmart marketplace sellers in Iceland, this would typically be a completed Form 1040-NR, along with any necessary schedules. Ensure all documents are originals or certified copies from the issuing agency. Missing or incorrect documentation is a leading cause of application delays or rejections.

The ITIN Application Process for Icelandic Sellers

The standard process for obtaining an ITIN involves submitting a completed Form W-7, a U.S. federal income tax return, and original or certified copies of supporting identification documents to the IRS. You have three main options for submitting your application. The first is to mail all your original documents directly to the IRS ITIN Operation in Austin, Texas. This method requires you to send your passport and other original identification, which can be a significant risk as these documents will not be returned for several weeks or months. The IRS states that processing can take up to 10 weeks, but this timeline can fluctuate significantly based on IRS workload.

The second option is to visit an IRS Taxpayer Assistance Center (TAC) in the U.S. that offers ITIN application services. You would need to bring your original documents and tax return to one of these centers. However, this is generally not a practical option for sellers based in Iceland. The third and most recommended option for most applicants, including those in Iceland, is to apply through a Certified Acceptance Agent (CAA). A CAA is an individual or entity authorized by the IRS to help applicants submit their Form W-7 and verify their original documentation. This method allows you to submit copies of your identification documents (certified by the CAA), and the CAA forwards your application package to the IRS. This avoids the risk of mailing your original passport and significantly speeds up the process. The typical timeline when applying through a CAA like itin.net is 5–10 business days for the initial processing by the agent, with the IRS then taking several weeks to issue the ITIN.

Common Mistakes for Walmart Marketplace Sellers from Iceland

Walmart marketplace sellers in Iceland often encounter specific pitfalls during the ITIN application process that differ from generic applicant errors. A frequent issue is the mismatch between the legal name used on Form W-7 and the name on their passport or other identification. Even minor discrepancies, such as a missing middle name or a transposed letter, can lead to rejection. Ensure absolute consistency across all documents, including your Icelandic identification and any prior U.S. tax filings.

Another common mistake is failing to submit a complete and accurate U.S. federal income tax return. For sellers who are required to file, this means attaching all necessary schedules and forms, accurately reporting income, and calculating tax liability. If claiming tax treaty benefits under the Iceland-U.S. treaty, ensure you correctly identify the relevant treaty article and understand the conditions for claiming the benefit. Incorrect treaty claims are a significant reason for ITIN application delays or denials. Some sellers may also mistakenly believe they don't need an ITIN if they have an EIN for their U.S. LLC. While the EIN is for the business entity, the ITIN is for the individual owner's tax obligations, which are often separate. Lastly, mailing original identification documents directly to the IRS without using a Certified Acceptance Agent (CAA) poses a risk of loss or theft, and delays the process considerably. Using a CAA, such as itin.net, mitigates these risks.

Benefits of Using a Certified Acceptance Agent (CAA)

Applying for an ITIN through a Certified Acceptance Agent (CAA) offers distinct advantages for Walmart marketplace sellers based in Iceland. The primary benefit is that a CAA can authenticate your original identification documents, such as your passport. Instead of mailing your original passport to the IRS, you submit certified copies to the CAA. The CAA then reviews your entire application package, including the Form W-7 and your tax return, for completeness and accuracy before forwarding it to the IRS. This dramatically reduces the risk of losing your original documents during transit.

Furthermore, CAAs are trained to understand the nuances of the ITIN application process and common errors. They can help ensure your application is correctly filled out, minimizing the chances of delays or rejections due to incomplete or inaccurate information. For Icelandic sellers, this expertise is invaluable, especially when dealing with U.S. tax forms and IRS procedures, which can be complex and unfamiliar. The typical processing time is also generally faster when using a CAA, as they can often expedite the initial review and submission. While there is a fee for the services of a CAA, the peace of mind and increased likelihood of a successful and timely application often outweigh the cost, especially for sellers who depend on their U.S. business operations for income. The itin.net Standard Package, for example, includes this comprehensive support.

Next Steps After ITIN Application

Once your ITIN application is submitted, the IRS will process it and, if approved, mail you an ITIN assignment letter, officially known as IRS Notice CP-565. This process typically takes several weeks after the IRS receives your application from the Certified Acceptance Agent (CAA) or directly from you. You should not make any travel plans based on an anticipated ITIN approval date. Keep an eye on your mail for the official notice from the IRS.

With your ITIN in hand, you can now proceed with filing your U.S. federal income tax return (e.g., Form 1040-NR) for the relevant tax year. This is crucial for claiming any applicable tax treaty benefits under the Iceland-U.S. tax treaty and for ensuring full compliance with U.S. tax laws related to your Walmart marketplace income. You will also use your ITIN for any future U.S. tax filings or interactions with the IRS. Remember to keep your ITIN confidential and secure. If you need assistance with your ITIN application or have further questions about U.S. tax obligations as a non-resident seller, consider reviewing our pricing options or contacting itin.net for personalized support.

Practical tips

  • Use the exact same legal name on your Form W-7 as it appears on your passport or other primary identification document to avoid mismatches.
  • Ensure your submitted U.S. federal income tax return is complete, accurate, and includes all required schedules, especially if claiming tax treaty benefits.
  • If you are applying for an ITIN for yourself and your spouse or dependents, ensure all individuals' documentation is correctly submitted and certified.
  • Do not mail original identification documents to the IRS if you can use a Certified Acceptance Agent (CAA) to verify certified copies instead.
  • Understand that the ITIN is for your personal U.S. tax obligations; it is separate from the EIN required for your U.S. business entity.

Frequently asked questions

Do I need an ITIN if my Walmart marketplace business is an LLC registered in the U.S. and I have an EIN?

Yes, you likely still need an ITIN. While the EIN is for your U.S. LLC business entity, the ITIN is for your personal U.S. tax obligations as an individual. If you are a non-resident alien earning income from your U.S. LLC or have other U.S. tax reporting requirements, you will need an ITIN to file your personal U.S. tax return (Form 1040-NR).

How long does it take to get an ITIN for a Walmart seller in Iceland?

When applying through a Certified Acceptance Agent (CAA) like itin.net, the initial processing by the agent typically takes 5–10 business days. The IRS then processes the application, which can take several weeks to a few months, depending on their current workload. Mailing directly to the IRS can result in longer overall processing times.

Can I use my Icelandic driver's license as identification for my ITIN application?

A foreign driver's license can be used as one of the identification documents, but it must be presented along with other supporting documents if it's not a passport. The IRS prefers a valid, unexpired passport. Check the IRS guidelines for the specific combination of documents required if you are not using a passport.

What is the difference between an ITIN and an EIN for my Walmart business?

An EIN (Employer Identification Number) is a tax ID for your business entity, like a U.S. LLC. An ITIN (Individual Taxpayer Identification Number) is a tax ID for individuals who have U.S. tax filing obligations but cannot get an SSN. As a non-resident owner of a U.S. business, you will likely need both: an EIN for the business and an ITIN for your personal U.S. tax filings.

How do I claim the U.S.-Iceland tax treaty benefits with my ITIN?

To claim tax treaty benefits, you must file a U.S. federal income tax return (Form 1040-NR) and correctly identify the applicable treaty article and income type. Your ITIN is required to file this return. Ensure you meet all the conditions outlined in the specific article of the Iceland-U.S. tax treaty for the income you are claiming benefits on.

What happens if I don't get an ITIN for my Walmart marketplace income?

Failing to obtain an ITIN when you have a U.S. tax filing obligation can lead to penalties from the IRS, including fines and interest on underpaid taxes. You may also be unable to claim tax treaty benefits, meaning you might pay more tax than necessary. It could also impact your ability to fully comply with U.S. business regulations and tax laws.

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