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Illustration for an ITIN article aimed at Toptal contractors based in Serbia
ITIN15 min read

How Toptal contractors from Serbia Get an ITIN

Toptal contractors in Serbia need an ITIN for U.S. client payments. Learn the IRS requirements, document checklist, and application process to secure your ITIN efficiently.

Reviewed by , ITIN Specialist at itin.net.

ITIN Requirements for Toptal Contractors in Serbia

Toptal contractors in Serbia typically require an ITIN when engaging with U.S. clients, particularly when needing to comply with U.S. tax reporting obligations. While Toptal often facilitates payments and may guide contractors on tax forms, the ultimate responsibility for obtaining the correct tax identification number lies with the individual. For Serbian residents working with U.S. entities, the primary trigger for an ITIN is the need to file a U.S. tax return or to claim tax treaty benefits. Without a Social Security Number (SSN), the Individual Taxpayer Identification Number (ITIN) serves as the U.S. tax processing number for non-resident aliens who have U.S. tax filing or reporting requirements. This is distinct from an Employer Identification Number (EIN), which is for businesses. Obtaining an ITIN is a prerequisite for fulfilling these U.S. tax obligations correctly, avoiding potential penalties, and ensuring accurate reporting of income earned from U.S. sources. The process involves submitting Form W-7 to the IRS, along with supporting documentation that proves identity and foreign status.

When You Need an ITIN as a Serbian Contractor

Your U.S. client engagement through Toptal often mandates specific U.S. tax documentation. The most common scenario requiring an ITIN for Toptal contractors based in Serbia involves payments from U.S. clients that are subject to U.S. withholding tax. Even if your income is eligible for reduced withholding under the former Yugoslavia–U.S. tax treaty, you generally need an ITIN to claim these benefits. The IRS Form W-8BEN, Certificate of Foreign Status of Beneficial Owner for United States Tax Withholding and Reporting (Individuals), is typically provided to the U.S. payer. This form requires you to state your U.S. taxpayer identification number. If you do not have an SSN, you must obtain an ITIN to complete this form accurately. Failure to provide a valid U.S. taxpayer identification number on Form W-8BEN can result in backup withholding at the highest rate, typically 30%. Therefore, for Toptal contractors in Serbia, securing an ITIN is often a necessary step to ensure correct tax treatment and avoid excessive withholding on U.S.-sourced income.

Essential Documents for Your ITIN Application

To apply for an ITIN, you must submit IRS Form W-7, Application for IRS Individual Taxpayer Identification Number. This form requires detailed personal information, including your name, address, and foreign tax identification number (if applicable). Crucially, you must also provide original or certified copies of documents that prove both your identity and your foreign status. The most commonly accepted and preferred document is a valid passport. If a passport is not available, other documents like a national identity card (showing name, photograph, current address, date of birth, and expiration date) or a birth certificate may be used, but these must be accompanied by a national identification card or driver's license. All submitted documents must be current and valid. It's essential that the name on your Form W-7 exactly matches the name on your identification documents. Mismatched names are a frequent cause of application rejection. If you are applying based on a U.S. tax return, you must also include a copy of that return. The IRS will only accept original documents or certified copies from the issuing agency. If you mail original documents to the IRS, they will be returned, but this can take several weeks.

The ITIN Application Process for Serbian Residents

Applying for an ITIN involves several distinct steps. First, you must accurately complete IRS Form W-7. Ensure all fields are filled out correctly, paying close attention to your name, address, and any prior U.S. tax filing history. Second, gather your required documentation. This includes your completed Form W-7 and your original or certified identification documents, such as a valid passport. Third, decide on your submission method. You can mail your application directly to the IRS, apply through an IRS-authorized Acceptance Agent, or use the IRS Taxpayer Advocate Service. For Toptal contractors in Serbia, using a Certified Acceptance Agent (CAA) is often the most efficient route. A CAA can verify your original documents on your behalf, meaning you do not have to mail them to the IRS. The typical processing timeline for an ITIN application submitted directly to the IRS is up to 10–12 weeks, especially during peak tax seasons. However, when you apply through a CAA, the verification process is immediate, and the IRS generally processes applications within 5–10 business days after receiving them. Once approved, the IRS will issue you an ITIN via mail on a formal notice, typically IRS Letter CP-565.

Common Application Errors for Toptal Contractors from Serbia

Toptal contractors from Serbia often encounter specific pitfalls when applying for an ITIN. One prevalent issue is submitting incomplete or inaccurate Form W-7. This includes missing signatures, incorrect personal details, or failing to provide a valid reason for needing an ITIN. Another common mistake is not providing sufficient or acceptable identification documents. While a passport is preferred, using alternative documents without the required accompanying identification can lead to delays or rejection. Furthermore, issues arise from incorrect treaty claims. Although Serbia inherits the former Yugoslavia–U.S. tax treaty, incorrectly applying treaty articles or failing to reference the correct article number on the W-7 can cause problems. Some contractors may also mistakenly believe they need an EIN instead of an ITIN; an EIN is for business entities, whereas an ITIN is for individuals. Finally, attempting to mail original documents to the IRS without understanding the return process can lead to anxiety and delays if you are not prepared for the time it takes to get them back.

Benefits of Using a Certified Acceptance Agent (CAA)

A Certified Acceptance Agent (CAA) acts as an intermediary between you and the IRS for ITIN applications. When you use a CAA, such as itin.net, they are authorized by the IRS to review your original identification documents and verify their authenticity. This is a significant advantage because it means you do not have to mail your valuable original documents, like your passport, directly to the IRS. The CAA authenticates your documents on the spot, and then submits your completed Form W-7 along with the certified documentation package to the IRS. This process not only safeguards your original documents but also typically expedites the processing time. While the IRS aims for a 5–10 business day turnaround for applications submitted by CAAs, direct applications can take much longer, often exceeding 10 weeks. For Toptal contractors in Serbia, this efficiency is critical, especially if a U.S. client requires your ITIN quickly for payment processing or tax compliance. The CAA handles the initial verification, reducing the risk of errors and providing a smoother application experience.

Next Steps After Obtaining Your ITIN

Once you receive your ITIN from the IRS, typically on IRS Letter CP-565, you can proceed with your U.S. tax obligations. The primary next step is to provide your ITIN to your U.S. clients or payers. This ensures accurate reporting of your income and any applicable tax withholdings. You will need to update your W-8BEN form with your new ITIN. If you are required to file a U.S. tax return (e.g., Form 1040-NR for non-resident aliens), your ITIN will be essential for that filing. For Toptal contractors in Serbia, having an ITIN may also facilitate opening a U.S. bank account, which can simplify receiving payments. The itin.net Standard Package provides comprehensive assistance throughout the ITIN application process, from form completion to document verification. If you have further questions or need personalized guidance, consider reviewing our pricing or contacting us directly.

Practical tips

  • Ensure the legal name on your Form W-7 precisely matches your passport or other primary identification document to prevent rejection.
  • If your passport has expired, use it along with a national identity card or birth certificate and a driver's license as supporting documents.
  • Accurately state your reason for applying for an ITIN on Form W-7, referencing the applicable tax treaty article if claiming benefits under the former Yugoslavia–U.S. treaty.
  • When using a Certified Acceptance Agent, provide all requested documents promptly to ensure they can submit your application without delay.
  • Keep a copy of your submitted Form W-7 and all supporting documents for your records before sending them to the IRS or your CAA.

Frequently asked questions

Can Toptal contractors in Serbia use the former Yugoslavia–U.S. tax treaty with an ITIN?

Yes, Toptal contractors in Serbia can leverage the former Yugoslavia–U.S. tax treaty. You will need to claim treaty benefits on your Form W-7 application and your U.S. tax return, if required. Ensure you correctly identify the relevant treaty article for your specific income type.

How long does it take to get an ITIN through itin.net for a contractor in Serbia?

When you apply through itin.net as a Certified Acceptance Agent, the IRS typically processes ITIN applications within 5–10 business days after acceptance. The initial document verification by our agents is immediate.

What if my passport is expired but still my only valid ID?

If your passport is expired, it can still be used as an identity document if it meets IRS criteria for accepting expired passports. However, you must also submit a second identification document that meets IRS requirements, such as a national identity card or driver's license, to prove foreign status. Confirm the latest IRS guidelines for expired documents.

Do I need an ITIN if my U.S. client pays me in USD but through a non-U.S. bank?

An ITIN is generally required if you have U.S. tax reporting obligations or need to claim tax treaty benefits. Receiving payment in USD through a non-U.S. bank doesn't automatically exempt you. If the income is U.S.-sourced and subject to U.S. tax, or if your client requires a U.S. taxpayer identification number for their reporting (like on Form W-8BEN), you will likely need an ITIN.

What is the difference between an ITIN and an EIN for a Serbian contractor?

An ITIN (Individual Taxpayer Identification Number) is for individuals who need a U.S. tax ID but cannot get an SSN. An EIN (Employer Identification Number) is for businesses, corporations, partnerships, and other entities. As a Toptal contractor operating as an individual, you will need an ITIN, not an EIN, unless you have established a separate U.S. business entity.

Can I use my Serbian national ID card as proof of identity for my ITIN application?

A Serbian national ID card can be used as a supporting identification document if your passport is not available or is expired. However, it must be accompanied by another identification document that proves foreign status, such as a birth certificate, and meet IRS criteria for acceptable documents, including having your photograph and essential personal details.

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