A full UAE tax invoice must show the words “Tax Invoice”, the supplier’s name, address and 15-digit TRN, the recipient’s name and TRN where they are registered, a unique sequential invoice number, the issue date and the date of supply where they differ, a description of each line with quantity and unit price, the taxable amount, the VAT rate and VAT amount, and the totals — all expressed in AED. Supplies under AED 10,000 to unregistered customers may use a simplified tax invoice instead.
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The full tax invoice checklist
| Field | What it must show |
|---|---|
| The words “Tax Invoice” | Displayed clearly — this is what makes the document a tax invoice rather than a quotation or a delivery note |
| Supplier details | Legal name, address and 15-digit Tax Registration Number (TRN) |
| Recipient details | Name, address and TRN where the customer is VAT-registered |
| Invoice number | Unique and sequential, so the series can be audited with no gaps |
| Dates | Date of issue, and the date of supply where it is different |
| Line description | Goods or services supplied, with quantity or volume and unit price |
| Taxable amount | The amount per line before VAT, after any discount |
| VAT rate and amount | The rate applied and the VAT payable, shown in AED |
| Totals | Total taxable amount, total VAT, and the gross total payable |
| Exchange rate | Where the invoice is in another currency, the VAT converted to AED at the Central Bank rate for the date of supply |
When can I use a simplified tax invoice?
A simplified tax invoice is allowed where the customer is not VAT-registered, or where the supply is under AED 10,000. It omits the recipient’s details and the line-by-line VAT split, which is why retail counters can print a short receipt rather than a full invoice.
It still has to show the words “Tax Invoice”, the supplier’s name, address and TRN, the date, a description of the goods or services, the total payable, and the VAT included in that total.
The practical rule: if your customer is a business that will want to recover input VAT, issue a full tax invoice with their TRN on it. A simplified invoice will not let them claim it back, and you will be reissuing the document a week later.
Why a missing field actually matters
- Your customer cannot recover input VAT on an invoice that is missing their TRN — so an incomplete invoice becomes their cost, and your problem.
- Gaps or duplicates in the invoice number series are one of the first things an audit looks for.
- Foreign-currency invoices without the AED VAT conversion are incomplete, even if every other field is right.
- Records must generally be kept for at least five years for VAT, and seven for corporate tax.
Correcting an invoice you already issued
Issue a tax credit note that references the original invoice. Do not edit or delete the original. Proper accounting systems enforce this — posted documents are reversed, never silently altered — because the audit trail is exactly what a review asks to see.
What changes with e-invoicing in 2027
The UAE is phasing in structured e-invoicing: businesses with revenue of AED 50 million or more from 1 January 2027, and all remaining businesses — including SMEs and businesses not registered for VAT — from 1 July 2027. Once it applies to you, a B2B tax invoice must be issued as a structured PINT AE (Peppol UBL) file exchanged through an Accredited Service Provider. A PDF emailed to your customer stops counting.
The fields above do not go away — they become mandatory data in the XML. Getting your customer records, TRNs and addresses clean now is the cheapest preparation available, because structured invoicing fails on missing data that a human reader would have forgiven.