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Illustration for an ITIN Renewal article aimed at foreign partners in a US LLC based in Croatia
ITIN12 min read

How foreign partners in a US LLC from Croatia Get an ITIN Renewal

Foreign partners in a US LLC from Croatia need to renew their ITIN for tax compliance. Understand the process, required documents, and common pitfalls specific to your situation.

Reviewed by , ITIN Specialist at itin.net.

Why Foreign Partners in a US LLC from Croatia Need ITIN Renewal

Foreign partners in a U.S. LLC based in Croatia typically encounter ITIN renewal requirements when their existing ITIN expires. This expiration can occur for two primary reasons: the IRS's rolling middle-digit expiration schedule or a lapse in use on a federal tax return for three consecutive years. For non-resident members of a multi-member U.S. LLC taxed as a partnership, an active ITIN is essential for receiving crucial tax documents like Schedule K-1 and Form 1042-S, which detail their share of the LLC's income and any U.S. tax liabilities. Without a valid ITIN, these partners cannot properly report their U.S. source income, potentially leading to compliance issues and penalties. The U.S. LLC structure, while offering liability protection, necessitates accurate tax reporting for all its members, regardless of their location. This is particularly relevant given the Croatia–U.S. tax treaty, which may affect how income is taxed but still requires proper reporting channels. Ensuring your ITIN is current is a foundational step for maintaining compliance with U.S. tax obligations stemming from your U.S. business interests. You will need to file Form W-7 with the 'Renew an Existing ITIN' box checked when your ITIN is nearing expiration or has already expired. This process can be managed directly with the IRS or more efficiently through a Certified Acceptance Agent

When ITIN Renewal is Required

ITIN renewal is mandatory when the IRS updates its expiration schedule or when an ITIN has been inactive for three consecutive tax years. The IRS employs a rolling expiration system based on the middle digits of the ITIN. For example, ITINs with middle digits between 70-79, 80-89, and 90-99 expired on January 1, 2022, January 1, 2023, and January 1, 2024, respectively. If your ITIN falls into one of these groups and you have not used it on a federal tax return, it must be renewed. Additionally, if you have not filed a U.S. federal tax return using your ITIN for three consecutive years, the IRS will deactivate it. While the IRS may send a CP-48 notice informing you of an expired ITIN, relying solely on this notification is risky, as not all individuals receive one. Proactively checking your ITIN status is the most reliable approach to avoid surprises. For foreign partners in a U.S. LLC, this renewal is critical to continue receiving necessary tax forms from the partnership and to file personal U.S. tax returns accurately. This ensures that income distributed from your U.S. LLC is reported correctly, aligning with U.S. tax law and any applicable treaty provisions.

Required Documents for ITIN Renewal

To renew your ITIN, you must submit Form W-7, Application for IRS Individual Taxpayer Identification Number, with the 'Renew an Existing ITIN' box checked. Along with the form, you need to provide original or certified copies of identification documents. The most commonly accepted primary identification document is your valid passport. If you do not have a passport, other documents like a national identity card, driver's license, or birth certificate may be acceptable, but a passport is preferred for foreign nationals. You will also need to include your most recent U.S. federal tax return. If you have an old ITIN letter or notice from the IRS, it is highly recommended to include it, as this helps the IRS quickly identify your existing ITIN. Ensure all documentation is current and clearly legible. Certified copies must be obtained from the issuing agency (e.g., the passport agency that issued your passport) or through a Certified Acceptance Agent, as the IRS will not accept notarized copies from a public notary in Croatia.

The ITIN Renewal Application Process

The ITIN renewal process begins with completing Form W-7 and gathering your supporting documentation. You have two primary options for submitting your application: mailing it directly to the IRS or using a Certified Acceptance Agent. If you choose to mail your application, send the completed Form W-7, original or certified copies of your identification documents, and a copy of your federal tax return to the IRS address specified in the Form W-7 instructions. The IRS will review your application and supporting documents. If approved, they will issue a new ITIN or confirm your existing one is still valid and assign it a new expiration date. The IRS typically processes ITIN renewals submitted directly by mail within 10-12 weeks, though this timeframe can fluctuate based on IRS workload. Using a Certified Acceptance Agent, such as itin.net, can expedite this process. CAAs can verify your original identification documents and transmit your application to the IRS, often resulting in a much faster turnaround time, typically within 5–10 business days. This expedited service is invaluable for foreign partners in a U.S. LLC who need their ITIN promptly for tax filings or other U.S. financial activities.

Common Mistakes for Foreign LLC Partners in Croatia

Foreign partners in a U.S. LLC from Croatia often make specific errors during ITIN renewal. A frequent mistake is submitting incomplete or inaccurate personal information on Form W-7, especially if names have changed or differ slightly from passport details. Ensure the name on your Form W-7 exactly matches your passport. Another common issue is providing uncertified or incorrect identification documents; remember, only original documents or certified copies from the issuing agency or a Certified Acceptance Agent

Benefits of Using a Certified Acceptance Agent (CAA)

Using a Certified Acceptance Agent, like itin.net, significantly streamlines the ITIN renewal process for foreign partners in a U.S. LLC. CAAs are individuals or entities authorized by the IRS to assist applicants in obtaining ITINs. The primary benefit is that CAAs can authenticate your original identification documents, meaning you do not have to mail your irreplaceable originals to the IRS. Instead, the CAA reviews your documents and sends certified copies along with your application. This verification step greatly reduces the risk of losing your original passport or other vital identification. Furthermore, CAAs act as a liaison with the IRS, which can expedite the processing of your application. While direct IRS processing can take many weeks, a CAA submission often results in a renewed ITIN within 5–10 business days. This efficiency is crucial for individuals needing their ITIN for time-sensitive tax filings or for opening a U.S. bank account to manage their LLC's finances. The fee for CAA services, such as itin.net's Renewal Package at $397, reflects the expertise and expedited handling provided.

Next Steps After ITIN Renewal

Once your ITIN renewal is approved, you will receive an official notification from the IRS with your updated ITIN. This document is essential for all future U.S. tax filings. If you are a partner in a U.S. LLC, you will need this renewed ITIN to receive your Schedule K-1 and Form 1042-S from the partnership for the current tax year. It also allows you to file your personal U.S. non-resident tax return (Form 1040-NR) accurately. For those who had to file Form 5472 due to their ownership in a U.S. LLC, ensuring your ITIN is current is vital for compliance. If your LLC requires a U.S. bank account, a valid ITIN is often a prerequisite for opening one. Consider reviewing the pricing for ITIN renewal services or contacting itin.net directly if you require further assistance with your ITIN application or renewal.

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 reason.
  • Submit a copy of your most recent U.S. federal tax return with your Form W-7 application to expedite processing.
  • If you have an old ITIN letter or notice from the IRS, include it with your renewal application to help the IRS quickly identify your existing ITIN.
  • When applying via a Certified Acceptance Agent, ensure they are authorized by the IRS and can verify original identification documents.
  • Proactively check your ITIN status before it expires to avoid potential delays or penalties associated with late renewal.

Frequently asked questions

How long does it take to renew an ITIN for a foreign partner in a US LLC from Croatia?

If you mail your application directly to the IRS, it typically takes 10-12 weeks. Using a Certified Acceptance Agent (CAA) like itin.net can expedite the process to 5-10 business days, as they can verify your documents and submit your application directly.

Do I need to renew my ITIN if I haven't filed a US tax return in over three years?

Yes, if your ITIN has been inactive for three consecutive tax years, the IRS will deactivate it. You must renew it by submitting Form W-7 to reactivate it, even if you haven't filed a return.

Can I use my Croatian driver's license as identification for ITIN renewal?

While a passport is the preferred document, other forms of identification may be accepted if they meet IRS requirements. However, for foreign nationals, a valid passport is the most reliable primary identification document for ITIN renewal. Check the IRS Form W-7 instructions for a full list of acceptable documents.

What is a Certified Acceptance Agent (CAA) and why should I use one for ITIN renewal?

A Certified Acceptance Agent (CAA) is authorized by the IRS to assist taxpayers with ITIN applications and renewals. Using a CAA means you don't have to mail your original identification documents to the IRS, as they can verify them for you, and they can often expedite the processing time.

Will the Croatia–U.S. tax treaty affect my ITIN renewal process?

The tax treaty between Croatia and the U.S. primarily affects how your income is taxed and potential withholding rates. It does not directly alter the ITIN renewal process itself, but having a valid ITIN is necessary to claim any benefits or reporting requirements under the treaty.

What happens if my US LLC partner in Croatia doesn't renew their ITIN on time?

If a foreign partner in a U.S. LLC from Croatia does not renew their ITIN on time, they may be unable to receive important tax documents like Schedule K-1 and Form 1042-S from the partnership. This can lead to difficulties in filing their personal U.S. tax returns and potential penalties for non-compliance.

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