The Fawtara rollout, phase by phase

Compliance deadlines have a way of feeling distant right up until they aren't. Here is Oman's e-invoicing schedule as it stands, and — more usefully — what each date should trigger inside your business.

The timeline

When	What happens	Who's affected
2022	Legal framework set (Ministerial Decision No. 456/2022 amending the VAT Executive Regulations)	—
2023–2025	OTA builds the Fawtara network and its accreditation framework for service providers	Service providers
August 2026	Phase 1 — pilot. End-to-end flows tested in production	Top ~100 large taxpayers
February 2027	Phase 2 — mandatory, B2B and B2G	All large VAT-registered businesses
August 2027	Phase 3 — mandatory	Every remaining VAT-registered business, including SMEs
TBA	Phase 4 — government entities join the network	B2G institutions

Dates are set by the Oman Tax Authority and can shift — the OTA's official e-invoicing page is the source of record. But plan on the schedule above, not on the hope of delay.

Why "my phase is a year away" is a trap

A typical readiness project runs through discovery, ERP integration, field mapping against PINT-OM, data clean-up, and user acceptance testing with simulated OTA submissions. For a standard ERP landscape that's roughly five weeks. For a multi-entity, multi-system landscape it's a full quarter, sometimes more.

Now add the crowd factor: as each deadline approaches, every business in that phase is competing for the same integration teams and the same accredited-provider onboarding slots. The businesses that move early get tested calmly. The late ones pay rush premiums and go live nervous.

What to do at each stage

• Now: name one owner across tax, finance, and IT. Map your invoice fields against PINT-OM. Clean your customer master data — VAT numbers especially.
• Six months out: choose your accredited provider and reserve an integration window. Our guide to choosing an ASP covers what to ask.
• Three months out: be in testing, not in procurement. UAT with simulated submissions is where surprises should surface — not in production.
• Go-live: monitor the first weeks closely, brief your AP/AR teams, and tell your key suppliers what's changing.