VAT category and reason on every line

In short

Every line on an eInvoice must say which VAT category it falls in, the rate, and the VAT amount, even when the amount is 0.00. Zero-rated, exempt and out-of-scope lines must also carry a reason chosen from a fixed list. Your finance team sets this up once in your ledgers or template, and then it flows to every invoice.

Why eInvoicing needs it

On a paper invoice, a line at "0%" looks complete. On an eInvoice, the VAT category code tells the Federal Tax Authority (FTA) why there is no VAT. Zero rated, exempt and out of scope have different effects on your VAT return, so each needs its own code. The MoF UAE Electronic Invoicing Guidelines name these treatments and require them on every supply.

The five categories you will use:

Code	Category	Rate on the line	Reason needed
S	Standard rated	5	No
Z	Zero rated (VAT Law, Article 45)	0	Yes, as text from the fixed list
E	Exempt (VAT Law, Article 46)	Left blank	Yes, as an exemption reason code
O	Out of scope of UAE VAT	Left blank	Yes, as text from the fixed list
AE	Reverse charge	0	Yes: the reverse-charge statement, plus the type of goods

Every line shows a VAT amount, 0.00 where no VAT is charged. A tax invoice must not contain only exempt or out-of-scope lines. If every line is E or O, the document is a commercial invoice out of scope of tax instead. See which VAT type is my invoice.

What good looks like

These are the reasons small traders use most often. Use the wording exactly.

Situation	Code	Reason
Goods exported from the UAE, with exit evidence kept	Z	Zero-rated export of goods, Article 45, Federal Decree-Law No. 8 of 2017
Services to a customer outside the UAE	Z	Zero-rated export of services, Article 45, Federal Decree-Law No. 8 of 2017
Freight or passenger transport into or out of the UAE	Z	Zero-rated international transport, Article 45, Federal Decree-Law No. 8 of 2017
Goods sold while outside the UAE that never enter the UAE through you	O	Supply of goods located outside the UAE
Sale to another member of your VAT group	O	Supply between members of a Tax Group (from 1 January 2029; see sales within a VAT group)
Certain financial services	E	DL8.46.1
Residential units, lease or sale	E	DL8.46.2
Bare land	E	DL8.46.3
Local passenger transport	E	DL8.46.4

Before and after, on an invented export invoice from Gulf Spice Imports FZE:

	Before	After
Line 1, cumin to Oman	VAT: blank	Z, rate 0, VAT 0.00, "Zero-rated export of goods, Article 45, Federal Decree-Law No. 8 of 2017"
Line 2, sea freight to Oman	0%	Z, rate 0, VAT 0.00, "Zero-rated international transport, Article 45, Federal Decree-Law No. 8 of 2017"

Zero rating depends on evidence, such as proof the goods left the UAE. Calculus applies the reasons above by default. Keep the evidence on file, and confirm with your tax advisor if your facts differ.

How to fix it in Tally

1. List each VAT rate and treatment you use: 5%, zero-rated exports, exempt rent, and so on.
2. Keep one sales ledger per treatment, for example "Sales Local 5%", "Sales Export Zero Rated" and "Sales Out of Scope". Open each with Alt+G, Alter Master, Ledger, and check its VAT details match the treatment.
3. Do not post a zero-rated and an out-of-scope sale to the same ledger. The category flows to the line from the ledger or stock item, so a mixed ledger gives the wrong code.
4. Send Calculus the list of ledgers with the category each one maps to. Calculus maps each ledger to its code and reason.
5. Raise one test invoice per ledger and check the VAT shown on each line.

How to fix it in Excel or another system

Add three columns to every line: "VAT category" (dropdown: S, Z, E, O, AE), "VAT rate" (5, 0 or blank) and "VAT reason" (dropdown from the table above). Example: Z, 0, "Zero-rated export of goods, Article 45, Federal Decree-Law No. 8 of 2017". Lock the reason column to the dropdown so no one types free text. ERP users: ask your ERP partner to add a category and a reason field to each tax code, restricted to the fixed list.

Checklist

• Every line shows a category, a rate and a VAT amount, including 0.00
• Every zero-rated and out-of-scope line has a reason from the fixed list
• Every exempt line has an exemption reason code
• One ledger or tax code per treatment, no mixing
• Export evidence kept on file for each zero-rated export

The law

• Federal Decree-Law No. 8 of 2017 on Value Added Tax (VAT Law), Article 45: zero-rated supplies, including exports of goods and services and international transport.
• VAT Law, Article 46: exempt supplies. The exemption reason codes DL8.46.1 to DL8.46.4 refer to its four exempt supplies: financial services, residential units, bare land and local passenger transport.
• VAT Law, Article 14 (Tax Group registration); Executive Regulation, Article 12(1)(b): a supply by one member of a Tax Group to another member may be disregarded.
• Ministry of Finance, UAE Electronic Invoicing Guidelines, Version 1.1 (1 June 2026): tax categories at supply level. MoF PDF
• Peppol PINT AE specification: VAT category code (IBT-151), VAT rate (IBT-152), VAT exemption reason (IBT-120) and reason code (IBT-121); code lists AETaxCat and AE-Exempt. docs.peppol.eu