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Country guide

Invoicing in Oman

What businesses need on an invoice in Oman: the mandatory details, the VAT rates in force, and how to stay compliant. Paired with a free generator that produces a Oman-correct invoice in under a minute.

VAT in Oman

These are the headline VAT rates in force in Oman today. Apply the rate that fits each line; some goods and services use a reduced or zero rate.

rate (標準稅率)
5%

Reverse charge: for many cross-border B2B supplies the buyer accounts for the tax, so you invoice without it and add the reverse-charge note.

Tax IDs and registration

VAT Identification Number
Show your VAT Identification Number on the invoice when you are registered.
Company register
Tax Authority of Oman

Numbers, dates and currency

Currency
OMR
Number format
1,234.56 (comma for thousands, point for decimals)
Date format
for example 28/07/2026

What every invoice must include

Wherever you invoice, these details are expected. FreeBillGen fills them in for you.

Your business details
Legal name, address and tax or VAT number.
Customer details
The buyer name and address (and their tax number for B2B cross-border).
A unique invoice number
Sequential, with no gaps, so each invoice is identifiable.
Invoice date
The issue date, plus the supply date when it differs.
Line items
A description, quantity and unit price for each line.
Tax per rate
The rate applied and the tax amount, grouped by rate.
Totals
The net total, the tax total and the gross total payable.
Currency
The currency of the amounts, especially for cross-border invoices.

E-invoicing in Oman

There is no general structured e-invoicing mandate yet. FreeBillGen can still export a Peppol or Factur-X file when a buyer asks for one.

Invoicing in Oman FAQ

What must an invoice include in Oman?

An invoice should carry your details and tax number, the customer details, a unique invoice number and date, a line-by-line description with quantities and prices, the VAT rate and amount, and the net, tax and gross totals.

What is the VAT rate in Oman?

The standard VAT rate in Oman is 5%. Reduced and zero rates apply to some categories.

Do I need to send e-invoices in Oman?

There is no general e-invoicing mandate in Oman yet, but you can still send a structured Peppol or Factur-X file from FreeBillGen for free if a buyer requires it.

Create a Oman-correct invoice

FreeBillGen fills in the mandatory fields and the right VAT treatment for you, free, with no signup and no card.

Open the generator

Official sources

Last verified 2026年4月26日

This page is general guidance, not tax advice. Rates and rules change; confirm the current position with the official sources above or your adviser.