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Understanding the Tax Registration Number (TRN) in the UAE

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UAE Tax Registration Number (TRN) certificate with VAT stamp and official emblem

The Tax Registration Number (TRN) is a unique 15-digit number issued by the UAE Federal Tax Authority (FTA) to identify businesses for tax purposes. It plays a crucial role in ensuring compliance with the country’s Value Added Tax (VAT) and corporate tax regulations.

What is a TRN in the UAE?

A TRN is mandatory for companies that meet the minimum turnover threshold for VAT or are required to register for UAE corporate tax. It allows businesses to legally charge VAT, file tax returns, and stay compliant with FTA requirements

TRN & Business Setup in Dubai

Why is TRN Important for Business Setup in the UAE?

When starting a business in Dubai or UAE, having a TRN:

  • Ensures VAT compliance.

  • Legitimizes your invoicing and financial transactions.

  • Builds trust with clients and partners.

  • Allows VAT input claims from suppliers.

If your company crosses the VAT registration threshold of AED 375,000, obtaining a TRN becomes a legal obligation.

What is a Tax Registration Number Used For?

The TRN is used for:
  • Charging and collecting VAT from customers
  • Issuing tax-compliant invoices
  • Filing VAT and corporate tax returns
  • Claiming input VAT for eligible purchases
  • Validating a business’s registration status with FTA
  • Communicating with the FTA on tax matters
It is essential for businesses to include their TRN on all invoices and official documents to remain compliant.
TRN Verification: Verify UAE Tax Registration Number
How to Get a Tax Registration Number in the UAE—Step-by-Step Guide

To obtain a TRN in the UAE, you must register your business with the FTA. This is usually done during or after your Dubai company registration or business setup in the UAE.

If your business meets the requirements for VAT or corporate tax in the UAE, you are legally required to obtain a Tax Registration Number (TRN) from the Federal Tax Authority (FTA).

Here’s how you can register:
Step 1: Create an Account on the FTA Portal
Visit the FTA website and click on “Sign Up” to create your e-services account.

🔹 Enter your email, password, and security details. 🔹 Confirm your registration via the verification link sent to your email.

Step 2: Prepare the Required Documents
Gather all necessary documents for TRN registration:
  • Trade License (Mainland or Free Zone)
  • Passport copy of the business owner/partners
  • Emirates ID (if applicable)
  • Memorandum of Association (MoA)
  • Lease agreement or Ejari
  • Corporate bank account details
  • Contact information (email, phone, business address)
Step 3: Complete the TRN Application Form
After logging in, go to “VAT Registration” in the dashboard.
You’ll be required to fill in details like
  • Business activity
  • Financial details (expected turnover)
  • Legal entity type
  • Custom codes (if applicable)
  • Declaration of tax obligations
Make sure all details match your trade license.
Step 4: Upload Supporting Documents

Upload scanned copies of all the required documents in PDF or JPEG format. Double-check that files are clear and legible.

Step 5: Submit the Application
After verifying all information, click “Submit for Approval.”

You’ll receive a confirmation email from the FTA, and the application status can be tracked in your dashboard.

Step 6: Receive Your TRN

Once approved, your Tax Registration Number (TRN) will be issued and displayed in your account. You can download your official VAT Certificate, which includes the TRN.

Documents required for TRN registration:

The application is submitted through the FTA e-services portal. Once approved, your TRN will be reflected on your VAT Certificate.

Partnering with a corporate tax consultant in Dubai like KrezKo ensures that your application is accurate, fast, and stress-free.

How to Find Your Tax Registration Number

After successful registration, your TRN will be visible on your VAT registration certificate. You can:

  • Log into your FTA e-services account
  • View or download the certificate
  • Locate the 15-digit TRN at the top of the document

If your registration was handled by KrezKo, your tax advisor can quickly retrieve your TRN and assist with any future updates or corporate tax filings.

Common TRN Mistakes to Avoid

  • Using TRN before approval

  • Not displaying TRN on invoices

  • Registering for VAT without crossing the revenue threshold

  • Delaying VAT filing after obtaining TRN

FAQs: Understanding TRN in the UAE

How long does it take to get a TRN in the UAE?

In general, it takes around 20 business days to process your application and receive your Tax Registration Number (TRN) upon approval. However, if the Federal Tax Authority (FTA) requires additional documents or clarifications, the processing time may be extended.

Can I cancel my TRN if my business closes?

Yes. If your business ceases operations or falls below the VAT threshold, you can apply for TRN cancellation through the FTA portal. Supporting documents will be required.

Why is a TRN important for VAT filing in the UAE?

A Tax Registration Number (TRN) is essential for filing VAT returns in the UAE. If a business is eligible for VAT and fails to file returns using a valid TRN, the Federal Tax Authority (FTA) can impose significant penalties. Additionally, companies that fail to register for a TRN when required may face legal consequences and financial fines, including a penalty of up to AED 20,000 for late registration.

Is TRN registration mandatory for Free Zone companies?

Yes, if your Free Zone company’s taxable revenue exceeds the mandatory threshold (AED 375,000), you must register for VAT and obtain a TRN—even if you're operating within a Free Zone.

How do I apply for a TRN in the UAE?

You can apply for a TRN by registering on the Federal Tax Authority (FTA) portal, completing the VAT registration form, submitting required documents, and awaiting approval.

What is a Tax Registration Number (TRN) in the UAE?

A Tax Registration Number (TRN) is a unique 15-digit number issued by the Federal Tax Authority (FTA) in the UAE to businesses registered under the VAT system. It allows businesses to collect VAT, issue tax invoices, and file tax returns legally.

What is the validity of a TRN in the UAE?

In the UAE, a Tax Registration Number (TRN) issued by the Federal Tax Authority (FTA) is permanently valid as long as the business is VAT-registered. It does not expire unless the business is deregistered or voluntarily cancels its VAT registration.

What is the format of TRN in the UAE?

The TRN (Tax Registration Number) in the UAE is a 15-digit numeric code, formatted as: 123456789012345. The first 3 digits represent the Federal Tax Authority (FTA). The next 9 digits are a unique identifier assigned to the business. The final 3 digits are check digits, calculated for verification purposes. This standardized format helps validate TRNs for VAT compliance across the UAE.

What is the validity of TRN number?

The ARN Number is valid for three years.

Are VAT and TRN the same in the UAE?

VAT (Value Added Tax) and TRN (Tax Registration Number) are related but not the same. VAT is the tax itself, while the TRN is the unique 15-digit number issued by the Federal Tax Authority (FTA) to identify businesses registered for VAT. In simple terms, your TRN is your VAT number—it allows the FTA to track and verify your VAT compliance.

Whether you’re starting a new business or expanding in Dubai, having a valid Tax Registration Number (TRN) is crucial for VAT compliance and building trust. At KrezKo, we simplify the entire process—from business setup in the UAE to TRN application and VAT registration. Let our experts handle the paperwork while you focus on growing your business.

TRN Setup Made Easy
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