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ITIN15 min read

ITIN Renewal Tips for consultants from Portugal

Consultants in Portugal: Renew your ITIN with confidence. Understand eligibility, required documents, and the application process to maintain your U.S. tax compliance.

Reviewed by , ITIN Specialist at itin.net.

Why consultants in Portugal need specific ITIN Renewal guidance

As an independent consultant based in Portugal, your U.S. tax obligations may differ from those of a U.S. resident or someone with simpler U.S. income streams. You likely invoice U.S. clients directly and may operate through a U.S. entity, such as a U.S. LLC, to manage liability and tax efficiency. This specific structure means you need to ensure your ITIN remains valid for filing U.S. tax returns, especially Form 5472 if you're operating a U.S. LLC as a foreign-owned single-member entity. An expired ITIN can complicate your tax filings, potentially leading to penalties or delays in receiving any tax refunds. Understanding the nuances of ITIN renewal is critical for maintaining compliance and avoiding disruptions to your business operations. This guidance is tailored to address the common scenarios faced by consultants working remotely from Portugal and engaging with the U.S. tax system.

When to renew your ITIN

Your ITIN requires renewal if it has not been used on a federal tax return for three consecutive years. The IRS also employs a rolling expiration schedule based on the middle digits of the ITIN. For example, ITINs ending in '70', '71', '72', '73', '74', '75', '76', '77', '78', '79', '80', '81', '82', or '83' expired on January 1, 2024. You may also receive a CP-48 notice from the IRS informing you that your ITIN has expired, but it is not advisable to wait for this notice. Proactively checking your ITIN's status is a more reliable approach to ensure continuous compliance, especially when you have ongoing U.S. client engagements. Renewing your ITIN is typically necessary when you are required to file a U.S. federal tax return and your existing ITIN is no longer valid.

Required documents for ITIN Renewal

To renew your ITIN, you will generally need to submit Form W-7, Application for IRS Individual Taxpayer Identification Number, with the 'Renew an Existing ITIN' box checked. You must also provide original or certified copies of identification documents. The most commonly required document is your valid passport. If your passport is unavailable, alternative identification documents might be accepted, such as a national identity card, driver's license, or civil birth certificate, along with other supporting documents. It is also highly recommended to include any previous IRS notices showing your ITIN, such as a CP-565 notice, if available. Ensure all submitted documents accurately reflect your legal name as it appears on your passport and other identification.

The ITIN Renewal application process

The renewal process begins with completing Form W-7. You must indicate that you are renewing an existing ITIN and provide your previously assigned ITIN. Along with the completed form and supporting identification documents, you will need to include a U.S. federal tax return for the tax year you are claiming. You can submit your application package directly to the IRS or through a Certified Acceptance Agent (CAA). Submitting through a CAA, such as itin.net, can expedite the process as they can verify your original identification documents, returning them to you promptly. The IRS typically processes ITIN renewals within 5–10 business days when submitted through a CAA, though direct submissions to the IRS may take longer.

Common pitfalls for consultants in Portugal

Consultants in Portugal often encounter specific challenges during ITIN renewal. One common issue is mismatched legal names across different documents. If your name on your passport differs even slightly from your name on previous IRS filings or other identification, it can lead to rejection. Another pitfall is relying solely on receiving a CP-48 notice; many individuals do not receive this notice and may not realize their ITIN has expired until they attempt to file taxes. Furthermore, consultants operating a U.S. LLC must ensure their ITIN renewal aligns with their entity's tax filing requirements, including potential filings like Form 5472. Failure to maintain a valid ITIN can impact your ability to file timely and accurately, potentially affecting your business relationships with U.S. clients.

Benefits of using a Certified Acceptance Agent (CAA)

Using a Certified Acceptance Agent (CAA) streamlines the ITIN renewal process. A CAA, like itin.net, is authorized by the IRS to assist applicants in obtaining ITINs. When you apply through a CAA, they will review your application and verify your original identification documents. This verification means you do not have to mail your original passport or other vital documents to the IRS, reducing the risk of loss or delay. The CAA forwards your application package to the IRS, and the typical processing time is significantly reduced, often within 5–10 business days. This expedited service is particularly beneficial for consultants who need their ITIN for immediate tax filing purposes and cannot afford to be without their original identification documents for an extended period.

Next steps after ITIN Renewal

Once your ITIN renewal is complete and you have received your new ITIN or confirmation of your existing one, ensure it is updated with any relevant U.S. financial institutions. If you operate a U.S. LLC, confirm that your renewed ITIN is correctly reflected in your entity's tax filings. You may also need to update your ITIN with any U.S. clients who require it for tax reporting purposes. For consultants based in Portugal, establishing a U.S. bank account can further simplify transactions with U.S. clients. If you are unsure about the process or need assistance, review the itin.net Renewal Package details or contact us for expert guidance.

Practical tips

  • Use the same legal name across Form W-7, your passport, and any prior IRS correspondence — mismatched name fields are the most common rejection.
  • Proactively check your ITIN status on the IRS website or through a CAA before it expires to avoid last-minute filing issues.
  • If you operate a U.S. LLC, ensure your ITIN renewal is synchronized with your entity's tax obligations, including Form 5472.
  • When submitting identification documents, always provide originals or certified copies from the issuing agency to avoid delays or rejections.
  • Consider opening a U.S. bank account once your ITIN is renewed to simplify financial transactions with U.S. clients.

Frequently asked questions

Can I renew my ITIN if I haven't filed a U.S. tax return in years?

Yes, if your ITIN has expired due to non-use or the IRS's rolling expiration schedule, you can renew it by submitting Form W-7 along with a current federal tax return and supporting identification documents.

How long does ITIN renewal take for consultants in Portugal?

When applying through a Certified Acceptance Agent (CAA) like itin.net, the process typically takes 5–10 business days. Direct submission to the IRS may take longer.

Do I need to send my original passport to the IRS for ITIN renewal?

Not if you apply through a Certified Acceptance Agent (CAA). A CAA will verify your original documents and send copies to the IRS, returning your originals to you immediately.

What if my name has changed since I first got my ITIN?

You must provide documentation of the legal name change, such as a marriage certificate or court order, along with your renewed Form W-7 and identification showing your current legal name.

Is the Portugal–U.S. tax treaty relevant to my ITIN renewal?

The treaty primarily affects withholding tax rates on certain U.S. source income. While it doesn't directly impact the ITIN renewal process itself, maintaining a valid ITIN is essential for claiming any treaty benefits on your U.S. tax filings.

What are the benefits of forming a U.S. LLC for consultants in Portugal?

A U.S. LLC can offer liability protection and potential tax efficiencies. It may require you to file Form 5472 with the IRS if it's foreign-owned, making a valid ITIN crucial for compliance.

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