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Illustration for an ITIN Renewal article aimed at OPT workers based in Bulgaria
ITIN12 min read

How OPT workers from Bulgaria Get an ITIN Renewal

OPT workers in Bulgaria need to renew their ITIN if it has expired or will expire soon. Learn the process, required documents, and common pitfalls to ensure a smooth renewal.

Reviewed by , ITIN Specialist at itin.net.

Why OPT Workers in Bulgaria Need ITIN Renewal

OPT workers in Bulgaria face a specific ITIN renewal challenge because their U.S. presence is tied to their student visa status, which has an expiration. While most OPT workers should have a Social Security Number (SSN), some may have been issued an ITIN previously. This ITIN can expire if not used on a federal tax return for three consecutive years or due to the IRS's rolling middle-digit expiration schedule. The primary trigger for renewal is the expiration of the ITIN itself, not necessarily the expiration of OPT status, although the two are often linked in a student's U.S. tax obligations. Unlike a typical U.S. resident, an OPT worker's ability to file U.S. taxes might be sporadic, increasing the likelihood of ITIN expiration due to non-use. This situation requires a proactive approach to ITIN renewal to avoid issues with any U.S. tax filings or other U.S. financial obligations.

Eligibility and Triggers for ITIN Renewal

Your ITIN requires renewal if it has been inactive for three consecutive tax years or if its middle digits fall within the IRS's scheduled expiration range. The IRS typically sends a CP-48 notice if your ITIN is about to expire due to non-use, but relying on this notice is a common pitfall. Many OPT workers, especially those based in Bulgaria, may not receive such notices due to international mail or other communication gaps. Therefore, it is advisable to check your ITIN status proactively. The expiration of your OPT status itself does not directly cause your ITIN to expire, but it can signal a period where your U.S. tax filing obligations might change or cease, leading to the non-use that triggers expiration. If you have a previously issued ITIN and have not used it on a federal tax return for three or more consecutive years, or if its expiration date has passed, you must renew it.

Required Documents for ITIN Renewal

To renew your ITIN, you will need to submit IRS Form W-7, with the 'Renew an Existing ITIN' box checked. Along with the Form W-7, you must provide original or certified copies of identification documents. The most critical document is your valid passport. If you have a previous ITIN notice from the IRS, such as a CP-565 or CP-575, submitting this can help expedite the process, though it is not strictly mandatory if you know your ITIN. You must also include a current federal tax return with your renewal application. This tax return demonstrates your need for an ITIN for tax purposes in the current year. Ensure all documents are valid and accurately reflect your legal name and information.

The ITIN Renewal Application Process

The ITIN renewal process involves completing Form W-7 and submitting it along with supporting documents. You can submit your application through one of three methods: by mail to the IRS, by visiting an IRS Taxpayer Assistance Center (TAC), or through a Certified Acceptance Agent (CAA). Submitting by mail directly to the IRS can take up to 14 weeks or longer, especially during peak tax seasons. Visiting an IRS TAC requires an appointment and can also involve significant wait times. Using a CAA, such as itin.net, offers a more streamlined approach. A CAA can review your application and verify your original identification documents, returning them to you on the same day. This method typically has a processing time of 5–10 business days for the IRS to issue a new ITIN once the application is submitted.

Common Mistakes for OPT Workers in Bulgaria

OPT workers in Bulgaria often make specific errors during ITIN renewal. A frequent mistake is failing to proactively check ITIN expiration, instead waiting for a CP-48 notice that may never arrive due to international mail issues. Mismatched personal information between your Form W-7, passport, and any prior IRS correspondence is another common cause for rejection; ensure your legal name is consistent across all documents. Some OPT workers mistakenly believe they need an SSN to renew their ITIN, but an ITIN is for those who cannot obtain an SSN and have a U.S. tax filing requirement. Finally, submitting an incomplete tax return or one that does not align with your U.S. tax obligations can lead to delays or rejection. Ensure your tax return is complete and accurately reflects your income and filing status.

The Certified Acceptance Agent (CAA) Advantage

Using a Certified Acceptance Agent (CAA) significantly simplifies the ITIN renewal process for OPT workers in Bulgaria. As a CAA, itin.net: can authenticate your original identification documents, such as your passport. This means you do not have to mail your original passport to the IRS, reducing the risk of loss or delay. The CAA reviews your entire application package for completeness and accuracy before forwarding it to the IRS. This pre-screening minimizes the chances of your application being rejected due to common errors. The typical processing timeline when using a CAA is much faster, often ranging from 5–10 business days for the IRS to issue the new ITIN after the application is submitted.

Next Steps After ITIN Renewal

Once your ITIN renewal is approved, you will receive a new ITIN assignment letter from the IRS. This new ITIN is crucial for any future U.S. federal tax filings. If you are still on OPT or have other U.S. financial activities, ensure you update any relevant institutions with your new ITIN. If you are planning to establish a U.S. business, such as a U.S. LLC, or open a U.S. bank account, having a valid ITIN is often a prerequisite. Review the itin.net service options or contact us directly if you have further questions about your specific situation.

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 online or with a Certified Acceptance Agent before your OPT status changes or your current ITIN expires.
  • Ensure your submitted federal tax return is complete and accurate, as it serves as the primary justification for your ITIN renewal.
  • If you have lost your previous ITIN assignment letter, you can request a Taxpayer Identification Number (TIN) status letter from the IRS, though a CAA can often assist with this.
  • Understand that while OPT workers may have an SSN, an ITIN is required for specific U.S. tax filing obligations if an SSN is not available or applicable.

Frequently asked questions

Can I renew my ITIN from Bulgaria?

Yes, you can renew your ITIN from Bulgaria. You can submit your application by mail to the IRS or through a Certified Acceptance Agent (CAA) who can assist you remotely or in person if you are visiting the U.S.

How long does it take to renew an ITIN for an OPT worker?

The processing time for ITIN renewal can vary. Direct mail applications to the IRS may take up to 14 weeks or longer. Using a Certified Acceptance Agent (CAA) typically speeds up the process, with the IRS often issuing a new ITIN within 5–10 business days after the application is submitted.

What happens if my ITIN expires while I am on OPT?

If your ITIN expires while you are on OPT, you will need to renew it before filing any future U.S. federal tax returns. Failure to have a valid ITIN can result in delays or rejections of your tax filings and may impact other U.S. financial activities.

Do I need a U.S. address to renew my ITIN?

While a U.S. address is helpful, it is not strictly required for ITIN renewal. If you are residing in Bulgaria, you can use your Bulgarian address. However, ensure you have a reliable way to receive mail from the IRS or your CAA.

Can I get an ITIN if I already have an SSN from a previous OPT?

If you have a Social Security Number (SSN), you should use that for your U.S. tax filing obligations. An ITIN is intended for individuals who cannot obtain an SSN. If you have an existing SSN, you generally do not need or qualify for an ITIN.

What if I don't have my old ITIN notice?

If you don't have your old ITIN notice, you can still renew your ITIN. You will need to provide other forms of identification and a current federal tax return. Knowing your previously assigned ITIN number is highly beneficial; if you don't know it, you may need to request a TIN status letter from the IRS.

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