Skip to main content
itin.net
ITIN guide for short-term rental operators based in Bulgaria
ITIN15 min read

ITIN for short-term rental operators from Bulgaria

Bulgarian short-term rental operators need an ITIN to file U.S. taxes. Learn the requirements, documentation, and application process to secure your ITIN efficiently.

Reviewed by , ITIN Specialist at itin.net.

ITIN for Bulgarian Short-Term Rental Operators: The Core Issue

Short-term rental operators based in Bulgaria who earn U.S. source income face a specific tax filing requirement: the U.S. Individual Taxpayer Identification Number (ITIN). While your primary business and residency are in Bulgaria, platforms like Airbnb or Vrbo may generate income that triggers U.S. tax obligations. This situation arises because the property is located within the United States, regardless of your personal location. Without an ITIN, you cannot properly report this U.S. income, claim eligible deductions, or comply with IRS regulations, potentially leading to penalties and interest. The United States has a tax treaty with Bulgaria, which can affect tax rates, but it does not eliminate the need for a U.S. tax identification number if you have U.S. source income. This is where Form W-7 becomes essential.

The primary friction point for Bulgarian short-term rental operators is understanding when U.S. tax obligations arise and how to fulfill them from abroad. Many assume their Bulgarian tax residency exempts them entirely, but U.S. tax law focuses on the source of the income. Properties located within the U.S. are considered U.S. source income, necessitating compliance. This often involves filing a U.S. non-resident tax return, Form 1040-NR, and reporting income and expenses related to your U.S. rental properties. The ITIN serves as your personal tax identification number for this purpose, distinct from any business identification number like an EIN you might have for your LLC.

Securing an ITIN involves a detailed application process with the IRS, requiring specific documentation and adherence to strict guidelines. For those operating short-term rentals, this often means gathering documents that prove both your identity and your need for an ITIN, such as your passport and evidence of U.S. income. The process can seem complex, especially when managed from Bulgaria, making an understanding of the steps and common pitfalls crucial for a smooth application. The goal is to obtain your ITIN accurately and without unnecessary delays, enabling timely U.S. tax filings.

When You Need an ITIN for U.S. Rental Income

An ITIN is required for Bulgarian short-term rental operators when you have U.S. source income that necessitates filing a U.S. federal tax return. This is most commonly triggered by owning and operating rental properties located within the United States. Even if you manage your listings remotely from Bulgaria, the income generated by these U.S. properties is subject to U.S. tax laws. The IRS requires you to report this income, and the ITIN is your personal identifier for this reporting.

Platforms like Airbnb, Vrbo, and other booking sites facilitate these transactions. When you receive payments through these platforms for rentals of U.S.-based properties, this constitutes U.S. source income. If your net rental income exceeds certain thresholds or if you are otherwise required to file a U.S. tax return (e.g., due to treaty benefits or specific IRS notices), you will need an ITIN. The U.S. tax treaty with Bulgaria may offer reduced withholding rates on certain types of income, but it does not exempt you from the requirement to file a return and obtain an ITIN if filing is necessary. Without an ITIN, you cannot file Form 1040-NR, the standard tax return for non-resident aliens.

Furthermore, if you are claiming tax treaty benefits on your U.S. rental income, filing a U.S. tax return is typically mandatory. This filing requires your ITIN. Failure to obtain an ITIN when required can result in penalties, denied deductions, and complications with future U.S. tax filings. For short-term rental operators, ensuring compliance from the outset is far more efficient than addressing issues later. This includes understanding the specific reporting requirements for rental income, which can vary based on income levels and your personal circumstances.

Required Documentation for Your ITIN Application

To apply for an ITIN, you must complete IRS Form W-7 and submit it along with original identification documents or certified copies from the issuing agency. The IRS requires proof of your identity and foreign status. For most applicants, a valid U.S. passport is the preferred document as it is a strong form of identification and establishes foreign status. If you do not have a passport, other documents may be accepted, but the application process might become more complex.

Other acceptable identification documents include a national identity card (with photograph, name, address, date of birth, and expiration date), a foreign driver's license, a civil birth certificate, or a national identification card issued by a foreign country. Crucially, all submitted identification documents must be valid (not expired). If you submit certified copies, they must be certified by the agency that issued the document (e.g., the issuing passport agency). You cannot self-certify documents.

In addition to identity documents, you must provide proof of your need for an ITIN. For short-term rental operators in Bulgaria, this typically means attaching a U.S. federal income tax return (e.g., Form 1040-NR) that you are filing for the first time. If you are claiming treaty benefits, you may need to include documentation supporting that claim, such as relevant sections of the U.S.-Bulgaria tax treaty. For example, if you are claiming a reduced withholding rate under the treaty, you might need to show why you qualify. Ensure all forms are completed accurately, as errors can lead to delays or rejection of your ITIN application.

The ITIN Application Process: Step-by-Step

Applying for an ITIN involves several distinct steps, beginning with gathering the necessary documentation. Once you have your identification documents (preferably a valid passport) and your completed U.S. federal tax return (Form 1040-NR), you can proceed with Form W-7. This form collects your personal information, your reason for applying for an ITIN, and details about the attached tax return.

There are three primary methods to submit your Form W-7 application. The first is to mail your completed Form W-7, along with your original identification documents and tax return, directly to the IRS in Austin, Texas. However, mailing original documents carries a risk of loss or damage, and processing times can be lengthy, often taking 10–12 weeks or more. The IRS will retain your original documents until the ITIN is assigned and then return them via mail.

The second method is to apply through a local IRS Taxpayer Assistance Center (TAC). Some TACs can authenticate your original documents on the spot, but appointments are often required, and availability can be limited. The third, and often most efficient, method is to use a Certified Acceptance Agent (CAA). A CAA is authorized by the IRS to help applicants by verifying their original identification documents and forwarding the application to the IRS. This process typically takes significantly less time, often within 5–10 business days for the initial processing by the CAA and subsequent IRS assignment.

After the IRS processes your application, they will issue you a CP-565 letter, which officially assigns your ITIN. This letter will be mailed to the address you provided on Form W-7. Once you receive your ITIN, you can use it for all future U.S. tax filings. If you are forming a U.S. LLC for your rental business, ensure your ITIN is used for personal tax filings related to that business's income, separate from the business's own Employer Identification Number (EIN).

Common Pitfalls for Bulgarian Short-Term Rental Operators

Short-term rental operators from Bulgaria often encounter specific issues when applying for an ITIN. One common mistake is failing to attach a complete and accurate U.S. federal tax return with Form W-7. The IRS requires this to establish your need for an ITIN. If the tax return is incomplete, incorrectly filled out, or missing required schedules, your ITIN application will be rejected. For rental income, this means ensuring you have properly calculated your gross income and deductible expenses on Form 1040-NR.

Another frequent error involves documentation. Applicants sometimes submit photocopies of identification documents instead of originals or certified copies. The IRS is very strict about this requirement. If you are not using a CAA, you risk mailing your original passport or other vital documents directly to the IRS, which can cause significant anxiety and potential delays if lost in transit. Missing or incorrect treaty claims are also a common pitfall. While Bulgaria has a tax treaty with the U.S., correctly applying its provisions requires careful attention to detail and understanding of its articles. Incorrectly claiming treaty benefits on your tax return can lead to ITIN application rejection or future IRS scrutiny.

Incorrectly stating your name or personal details on Form W-7 is another issue. Ensure the name on your Form W-7 exactly matches the name on your identification document (e.g., passport). Any discrepancies, even minor ones like a missing middle initial, can cause your application to be flagged. For those operating through a U.S. LLC, confusion between the LLC's EIN and your personal ITIN is also common. Remember, the ITIN is for your personal tax obligations, while the EIN is for your business. Ensure you are using the correct number for each purpose. Using itin.net as your Certified Acceptance Agent can help mitigate many of these documentation and submission errors.

The Certified Acceptance Agent (CAA) Advantage

Utilizing a Certified Acceptance Agent (CAA) streamlines the ITIN application process, offering significant advantages for short-term rental operators in Bulgaria. A CAA is an individual or entity authorized by the IRS to help taxpayers apply for ITINs. When you work with a CAA, they perform the crucial step of verifying your original identification documents. This means you do not have to mail your actual passport or other vital documents directly to the IRS, reducing the risk of loss or damage.

The CAA reviews your Form W-7 and supporting documentation, ensuring everything is complete and accurate before forwarding it to the IRS. This pre-screening significantly reduces the chances of your application being rejected due to common errors, such as missing information or improperly completed forms. For non-residents applying from abroad, this quality control is invaluable. It saves time and prevents the frustration of a delayed or denied application, which can impact your ability to file your U.S. taxes on time.

Furthermore, CAAs can provide guidance on the documentation required and assist with understanding the nuances of the application process. This expertise is particularly beneficial for short-term rental operators who may be unfamiliar with U.S. tax procedures. By using a service like itin.net, which operates as a CAA, you gain a partner experienced in handling ITIN applications for international clients. This pathway is generally faster than mailing your application directly to the IRS, with processing times often reflecting the CAA's efficiency in submission and the IRS's internal processing of applications received through authorized agents. The typical timeline for an ITIN through a CAA is much shorter than direct submission.

Next Steps After Obtaining Your ITIN

Once you receive your ITIN via the CP-565 letter from the IRS, your primary U.S. tax identification number is established. You can now use this number for all future U.S. tax filings, including your annual Form 1040-NR for your U.S. rental properties. Ensure you keep your ITIN confidential and secure, similar to how you would protect your Social Security number if you had one.

For Bulgarian short-term rental operators, the next practical step is to integrate this ITIN into your ongoing tax compliance strategy. This includes accurately reporting all U.S. rental income and expenses each tax year. If you have a U.S. LLC for your rental business, ensure you are using the LLC's EIN for business-related filings (like Form 5472 if applicable) and your ITIN for your personal U.S. tax return. Understanding the distinction between these two numbers is vital for maintaining proper U.S. tax records.

Consider setting up a system for tracking your rental income and expenses throughout the year. This will make preparing your U.S. tax return much easier. If you have complex tax situations or are unsure about treaty provisions, consulting with a tax professional experienced in U.S. international taxation is highly recommended. For assistance with your ITIN application, you can review pricing and services at itin.net or contact us directly for personalized support.

Practical tips

  • Use the exact same legal name on Form W-7, your passport, and any other submitted identification documents. Discrepancies are a leading cause of application rejection.
  • Ensure your attached U.S. tax return (Form 1040-NR) is complete and accurate, including all necessary schedules for rental income and expenses. Incomplete returns are a primary reason for ITIN denial.
  • If claiming tax treaty benefits under the U.S.-Bulgaria treaty, carefully review the specific articles relevant to rental income. Incorrect treaty claims require correction and can delay your application.
  • When applying through a Certified Acceptance Agent (CAA), provide all requested documents promptly. This allows the CAA to verify your information efficiently and submit your application to the IRS without delay.
  • Keep a secure record of your ITIN once issued. This number is essential for all future U.S. tax filings related to your U.S. rental income.

Frequently asked questions

Do I need an ITIN if I am a Bulgarian resident but my short-term rental property is in the U.S.?

Yes, if you earn rental income from a property located in the United States, that income is considered U.S. source income. You will likely need to file a U.S. tax return (Form 1040-NR) and therefore require an ITIN to identify yourself to the IRS.

How long does it take to get an ITIN for my U.S. rental business?

When applying through a Certified Acceptance Agent (CAA) like itin.net, the initial processing can take 5–10 business days. The IRS then processes the application, and you should receive your ITIN within approximately 7 to 11 weeks from the IRS submission date. Mailing directly to the IRS can take longer, often 10–12 weeks or more.

Can I use my Bulgarian passport to apply for an ITIN?

Yes, a valid Bulgarian passport is an excellent primary identification document for your ITIN application. It proves both your identity and foreign status, which are key requirements for obtaining an ITIN.

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

An ITIN (Individual Taxpayer Identification Number) is for individuals filing personal U.S. tax returns. An EIN (Employer Identification Number) is for businesses, such as your U.S. LLC, for tax reporting and banking purposes. You need an ITIN for your personal tax obligations related to the rental income, and your LLC will need an EIN for its business activities.

Does the U.S.-Bulgaria tax treaty exempt me from needing an ITIN?

No, the tax treaty does not exempt you from needing an ITIN. While the treaty can affect the tax rates applied to your U.S. source income, you still need an ITIN to file the required U.S. tax return (Form 1040-NR) to claim treaty benefits or report your income.

What if I already have an EIN for my U.S. LLC? Do I still need an ITIN?

Yes, an EIN is for your business entity (the LLC), while an ITIN is for you as an individual. If you receive personal income from your U.S. rental properties, even if that business is structured as an LLC, you will need an ITIN to report that personal income on your U.S. tax return (Form 1040-NR).

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