Oman Tax Authority Launches the Fawtara Accreditation Portal for Service Providers

The Oman Tax Authority (OTA) has officially launched the first release of the Fawtara Portal, opening accreditation applications for e-invoicing service providers across the country.

What Is the Fawtara Portal?

Fawtara is Oman's mandatory e-invoicing infrastructure, built around the Peppol 5-corner model — a decentralized exchange framework where buyers and suppliers transact through accredited access points, with OTA governing the network. The portal's launch is a pivotal milestone in Oman's e-invoicing rollout, giving service providers a formal pathway to get accredited before the live mandate begins.

What the Portal Launch Means for Service Providers

Service providers who intend to operate within Oman's e-invoicing ecosystem must apply for accreditation through the Fawtara Portal as the first step. This includes:

• Submitting accreditation applications through the official portal
• Preparing for testing phases, expected to open in Q2 2026 (May 2026)
• Ensuring technical readiness for the pilot launch in August 2026 involving 100 large VAT-registered companies

E-Invoicing Data Dictionary: Coming Soon

Alongside the portal launch, OTA has confirmed that the finalized e-invoicing data dictionary will be published soon. This document will define:

• Content requirements — mandatory and conditional invoice fields
• Scope — covering B2B, B2G, and B2C (simplified) transactions
• Business rules — governing how e-invoices must be structured and submitted under the OM PINT format

The data dictionary will serve as the definitive technical reference for both taxpayers and service providers preparing for compliance.

Oman's E-Invoicing Rollout Timeline

• Pilot — August 2026: Mandatory e-invoicing begins for 100 large VAT-registered companies selected by OTA
• Phase 1 — February 2027: Expands to cover all large VAT-registered businesses
• Phase 2 — August 2027: Extends to all remaining VAT-registered taxpayers
• Phase 3 — Date TBA: Government institutions and entities come into scope

What Businesses Should Do Now

With the Fawtara Portal now live and the data dictionary imminent, businesses in Oman's first rollout wave should act now:

1. If you're a service provider — Apply for accreditation through the Fawtara Portal immediately to secure your place ahead of the pilot
2. If you're a large enterprise — Identify your accredited service provider and assess your ERP or billing system's readiness for OM PINT format compliance
3. All VAT-registered businesses — Monitor OTA announcements for the final data dictionary and updated technical specifications