UAE TRN Validation
Validate UAE Tax Registration Number (TRN) Online
Quickly and accurately validate UAE Tax Registration Numbers (TRN) issued by the Federal Tax Authority (FTA) for businesses registered for VAT in the United Arab Emirates.
Understanding UAE TRN (Tax Registration Number) Format
The UAE TRN is a 15-digit identifier issued by the Federal Tax Authority (FTA) to all VAT-registered businesses in the United Arab Emirates, where VAT was introduced at 5% in January 2018.
Prefix
Identifier
Digits
- ✓ 15-Digit Length: All UAE TRNs are exactly 15 numeric digits. Any shorter or longer string is immediately invalid and cannot represent a legitimate FTA registration.
- ✓ Country Prefix: UAE TRNs typically begin with 100, reflecting the GCC unified VAT framework under which the Emirates operates, introduced in January 2018 at a 5% rate.
- ✓ Identifier & Check Digits: The first three digits denote the Federal Tax Authority, the middle nine are the unique registrant identifier, and the final three are check digits that enable automated format validation.
Frequently Asked Questions
What is a UAE TRN (Tax Registration Number)?
A UAE Tax Registration Number (TRN) is a unique 15-digit identifier issued by the Federal Tax Authority (FTA) to businesses registered for Value Added Tax in the United Arab Emirates. VAT was introduced in the UAE in January 2018 at a rate of 5%. The TRN must appear on all VAT invoices, credit notes, and customs documents. Validate any UAE TRN instantly with Lookuptax — sign up free.
Is TRN validation mandatory for VAT invoices in the UAE?
Yes. Under UAE VAT law, a valid TRN is a mandatory field on every tax invoice issued by a VAT-registered supplier. Invoices without a valid TRN are not legally recognized, and the recipient cannot reclaim input VAT. FTA audits actively check invoice TRN validity. Automate this check with the Lookuptax API — sign up free.
What data is returned when I validate a UAE TRN?
A successful TRN validation via Lookuptax returns the registered business name, FTA VAT registration status (active/inactive), the effective registration date, and the registered address. This data supports supplier onboarding, accounts-payable compliance, and automated invoice matching. Sign up free to explore the full API response.
How do I integrate UAE TRN validation into my billing system?
Lookuptax provides a simple REST API that plugs into any ERP, billing platform, or procurement system. A single API key gives you access to UAE TRN validation plus 100+ other countries, so you can cover all your global counterparties with one integration. Full documentation and sandbox access are available on sign-up. Sign up free and start building today.
Need to validate 100+ tax IDs?
Get accurate, real-time UAE TRN validation and 100+ other countries with one API.