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ITIN application reference for Wise business users based in Argentina
ITIN15 min read

An ITIN Guide for Wise business users from Argentina

Guide for Wise business users in Argentina needing an ITIN. Learn eligibility, required documents, the application process, and common pitfalls with itin.net.

Reviewed by , ITIN Specialist at itin.net.

Wise Business Users in Argentina and Their ITIN Needs

Wise business users based in Argentina often encounter situations requiring an Individual Taxpayer Identification Number (ITIN). Unlike U.S. residents who may have a Social Security Number (SSN), Argentinian individuals operating businesses or earning U.S. income typically need an ITIN to comply with IRS regulations. This is particularly common when setting up a U.S. entity, such as a U.S. LLC, and needing to manage finances through platforms like Wise. The platform facilitates international transactions, but U.S. tax obligations remain separate. An ITIN serves as the necessary tax processing number for these non-residents. Without it, fulfilling U.S. tax filing requirements becomes impossible, potentially leading to penalties and missed opportunities for compliant business operations.

The IRS issues ITINs to individuals who must have a U.S. taxpayer identification number but do not have, and are not eligible to obtain, an SSN. For Argentinian entrepreneurs using Wise Business, this scenario frequently arises when they need to file U.S. tax returns, such as Form 1040-NR for non-resident aliens, or when U.S. entities they own, like a U.S. LLC, have reporting requirements. Understanding when an ITIN is mandatory versus optional is the first step for Wise business users in Argentina to avoid compliance issues. The need for an ITIN is directly tied to U.S. tax liability or specific reporting obligations imposed by the IRS.

When You Need an ITIN as a Wise Business User from Argentina

An ITIN is required for Argentinian Wise business users primarily when U.S. tax obligations arise. This includes earning income sourced within the United States, regardless of where the payments are received or managed. If you are operating a U.S. business entity, such as a U.S. LLC formed for international operations, and that entity has reporting requirements that necessitate your individual tax identification, an ITIN becomes necessary. For example, if your U.S. LLC is subject to Form 5472 reporting, which applies to certain foreign-owned U.S. corporations and U.S. LLCs, you will need an ITIN to file this form.

Furthermore, if you are an independent contractor or freelancer receiving payments in U.S. dollars through your Wise business account from U.S. clients, these payments may be considered U.S. source income. Depending on the nature and amount of this income, you might be obligated to file a U.S. non-resident tax return (Form 1040-NR). This filing requirement directly triggers the need for an ITIN. While not always mandatory if no tax is ultimately due, proactively obtaining an ITIN can simplify future compliance, especially if you anticipate ongoing U.S. business activities or investments. It is also essential for claiming any tax treaty benefits, although there is no specific U.S.-Argentina tax treaty for withholding purposes, other treaties might apply depending on your residency and the income type. Confirming your specific filing obligations with a tax professional is advisable.

Required Documents for Your ITIN Application

To apply for an ITIN, you must submit Form W-7, Application for IRS Individual Taxpayer Identification Number. This form requires accurate personal information, including your name, foreign address, and the reason for needing an ITIN. Alongside Form W-7, you must provide original identification documents or certified copies of them. The IRS prefers a valid passport as the primary identification document, as it is typically sufficient on its own.

If a passport is not available, other documents may be accepted, but they must be presented in combination to meet the IRS requirements for identity and foreign status. These can include a national identity card, a driver's license, a birth certificate, or a foreign voter's registration card. Crucially, you also need to provide documentation that supports your reason for needing the ITIN. For Wise business users in Argentina, this often means including a copy of a U.S. tax return you are filing, or if you are applying based on other U.S. tax law requirements, you will need to provide documentation relevant to that specific reason. For instance, if applying due to a U.S. LLC's reporting obligations, documentation related to that entity might be required. Ensure all submitted documents are clear, legible, and valid at the time of application. The IRS requires proof of identity and foreign status, and these documents must satisfy those specific criteria.

The ITIN Application Process: Steps and Timeline

The ITIN application process begins with accurately completing Form W-7. This involves detailing your personal information and selecting the reason for your application. For Argentinian Wise business users, the most common reason is to comply with U.S. tax filing requirements or reporting obligations for U.S. entities they own.

Once Form W-7 is completed, you must gather your supporting documentation, including your original identification (like a passport) or certified copies, and any relevant tax documents. You have three main options for submitting your application:

  1. Mail your application package directly to the IRS in Austin, Texas. This method involves sending original identification documents, which carry the risk of loss or delay. Processing times can be significantly longer, often ranging from 10 to 17 weeks or more.
  2. Apply through a Certified Acceptance Agent (CAA). A CAA, like itin.net, can verify your original documents and forward your application to the IRS on your behalf. This is the recommended method as it allows you to keep your original documents. The typical timeline when using a CAA is much faster, usually within 5–10 business days for the application to reach the IRS and for you to receive confirmation.
  3. Visit an IRS Taxpayer Assistance Center (TAC) that offers ITIN application services. Appointment availability can be limited, and this option also requires you to bring original documents.

After the IRS receives your application, they will review it. If approved, you will receive an ITIN via mail, typically on a document called CP-565. The entire process, from submission to receiving your ITIN, can take several weeks to several months depending on the submission method and IRS processing times.

Common Application Mistakes for Argentinian Wise Business Users

Wise business users from Argentina often make specific errors that can delay or lead to the rejection of their ITIN application. A frequent issue is submitting incomplete or inaccurate Form W-7. Ensure all fields are filled out correctly, paying close attention to name consistency across all provided documents. Mismatched names between your passport and Form W-7 are a common reason for rejection.

Another common pitfall is failing to provide the correct supporting documentation. This includes not submitting original identification or certified copies, or not including the necessary tax documents that justify the need for an ITIN. For example, if you are applying because your U.S. LLC requires Form 5472 filing, ensure you have documentation that clearly links you to that LLC and its reporting obligations. Missing proof of foreign status or identity can halt the application. Furthermore, some users incorrectly believe they can submit photocopies of their passport without certification; the IRS requires originals or certified copies from the issuing agency or a CAA.

Given there is no U.S.-Argentina tax treaty, relying on incorrect treaty claims is not a common error for this specific audience. However, misunderstandings about U.S. source income can lead to incorrect assertions about tax liability or filing requirements. Always verify your U.S. tax obligations and the specific documentation needed for your situation. Consulting with a tax professional familiar with U.S. expat or non-resident taxation is highly recommended to avoid these common mistakes.

Benefits of Using a Certified Acceptance Agent (CAA)

Applying for an ITIN through a Certified Acceptance Agent (CAA), such as itin.net, offers significant advantages for Wise business users in Argentina. The primary benefit is the ability to have your original identification documents, like your passport, verified by the CAA. This means you do not have to mail your irreplaceable originals to the IRS, thereby eliminating the risk of them being lost or delayed in transit. The CAA authenticates your documents and forwards the application package to the IRS on your behalf.

This verification process by a CAA significantly speeds up the initial processing of your application. While the IRS still takes time to issue the ITIN, the period from when your application is submitted to when it's received by the IRS is drastically reduced. When you use a CAA, your application is typically processed and sent to the IRS within 5–10 business days. This is considerably faster than mailing it directly, which can take weeks or even months just for the IRS to receive it and begin processing.

Furthermore, CAAs are trained by the IRS to understand the application requirements and can help ensure your Form W-7 is completed accurately and all necessary supporting documents are included. This reduces the likelihood of common errors that could lead to rejection. For Argentinian entrepreneurs who need their ITIN promptly to meet tax deadlines or establish U.S. business operations, the efficiency and security offered by a CAA are invaluable. Using a service like itin.net simplifies the often complex ITIN application process.

Next Steps After Obtaining Your ITIN

Once you receive your ITIN from the IRS, typically on Form CP-565, you can proceed with your U.S. tax filing obligations. For Wise business users in Argentina, this often means filing your non-resident U.S. tax return (Form 1040-NR) or completing any required informational returns, such as Form 5472 for your U.S. LLC. Ensure you use your ITIN consistently on all tax forms submitted to the IRS.

Your ITIN is also essential for opening a U.S. bank account if you haven't already done so, which can further streamline your business finances. Many U.S. financial institutions require an ITIN for non-residents without an SSN to open accounts. It may also be necessary for other financial transactions or services within the U.S. financial system. Remember that your ITIN is for tax purposes only and does not grant you work authorization in the United States.

If you plan to continue operating a U.S. business or earning U.S. income, it is advisable to consult with a U.S. tax professional specializing in non-resident taxation. They can help ensure ongoing compliance and identify any further tax implications. For assistance with your ITIN application or to understand the pricing for our services, please review our packages or contact us directly. Many clients find our Standard Package at $497 to be an efficient way to obtain their ITIN.

Practical tips

  • Use your legal name exactly as it appears on your passport or other primary identification document on Form W-7 and all other tax forms.
  • When applying via a Certified Acceptance Agent (CAA), you can keep your original identity documents; the CAA will verify them and send certified copies with your application.
  • Ensure your application clearly states the specific reason for needing an ITIN, providing all supporting documentation as required by the IRS for that reason.
  • If you are filing a U.S. tax return, ensure it is complete and accurate before submitting it with your Form W-7, as it serves as crucial supporting documentation.
  • Keep copies of your submitted ITIN application and all supporting documents for your records, as well as a record of the date you mailed or submitted them.

Frequently asked questions

Can I use my Wise Business account in Argentina without an ITIN?

Yes, you can generally use your Wise Business account in Argentina for international transactions without an ITIN. However, if your business activities generate U.S. source income or create U.S. tax filing obligations, you will likely need an ITIN to comply with IRS requirements. The Wise platform itself does not require an ITIN, but U.S. tax law does.

How long does it take to get an ITIN through itin.net for someone in Argentina?

When you apply through itin.net as a Certified Acceptance Agent (CAA), your ITIN application is typically processed and sent to the IRS within 5–10 business days. The IRS then processes the application, and you should receive your ITIN within several weeks to a few months, depending on IRS workload.

What documents do I need if my passport from Argentina has expired?

If your passport has expired, you may be able to use it as proof of identity along with another valid document proving your identity and nationality, such as a national identity card or driver's license. However, the IRS prefers a valid passport. It's best to consult the IRS guidelines or a tax professional to ensure you have the correct combination of documents if your passport is expired.

I have a U.S. LLC and an EIN, but I'm based in Argentina. Do I still need an ITIN?

Yes, if you have a U.S. LLC and an Employer Identification Number (EIN), and you are a non-resident without an SSN, you will likely need an ITIN. This is especially true if the U.S. LLC has reporting requirements like Form 5472, or if you personally receive income from the LLC that requires U.S. tax filing. The EIN identifies the business, while the ITIN identifies you for tax purposes.

Is there a U.S.-Argentina tax treaty that affects ITIN applications?

There is no specific U.S.-Argentina income tax treaty. While other treaties might apply depending on your circumstances and residency, you generally cannot rely on a U.S.-Argentina tax treaty for withholding or filing benefits. Your ITIN application will be based on general U.S. tax law requirements for non-residents.

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

Yes, an ITIN can often be used to open a U.S. bank account for your business, especially if you are using services like Mercury, Relay, or Brex. Many U.S. banks require a U.S. taxpayer identification number for non-residents, and an ITIN serves this purpose when you do not have an SSN.

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