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Home Newsroom Oman Announces Phased E-Invoicing Rollout

Pilot Phase for Large Taxpayers Begins August 2026

Sumit Yadav

Written by Sumit Yadav

2025-10-06
The Oman Tax Authority (OTA) has announced a structured, phased implementation plan for e-invoicing, starting with a pilot phase for the top 100 large taxpayers in August 2026 and rolling out to all businesses by 2028.

Implementation Timeline

August 2026: Pilot Phase:

The first 100 large taxpayers will participate in the pilot phase, testing the e-invoicing system and providing feedback.

February 2027: Remaining Large Taxpayers:

The remaining large taxpayers will adopt the e-invoicing system following the successful pilot phase.

August 2027: Medium and Small Taxpayers:

The system will be expanded to medium and small taxpayers, ensuring full readiness across all business sizes.

August 2028: Full Implementation:

Complete rollout across all sectors, including government entities, achieving nationwide e-invoicing compliance.

Join Us

Oman has adopted the Peppol 5-corner model, requiring businesses to exchange invoices via Accredited Service Providers (ASPs). Companies should register with ASPs and ensure system compatibility to comply with OTA regulations.