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How do I check which Oman e-invoicing phase applies to my business?

Swathy
Swathy
Published on Sep 11, 2026
Table of Contents

The Oman Tax Authority provides an official Fawtara rollout checking service where taxpayers can enter their full VAT Identification Number, beginning with OM, to check their rollout period.

This is the most reliable way to determine whether your business has been assigned to a particular rollout period. If the result requires clarification, the Tax Authority directs taxpayers to the Fawtara support team.

Businesses should not determine their phase solely from their turnover or whether they consider themselves a large or small company, because the first phase was selected using several criteria.

Key points

  • Use the OTA's official Fawtara Rollout Checking service.
  • Enter your full VATIN beginning with OM.
  • Phase selection is not based on revenue alone.
  • Contact Fawtara support if the rollout result requires clarification.
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