GCC · OTA (Oman Tax Authority)
Oman
Fawtara: 5-corner Peppol model. OTA confirmed as Peppol Authority Jan 2026. Sandbox Feb 2026; ASP accreditation May 2026. Phased rollout starting Aug 2026 for ~150 largest taxpayers; complete by 2028.
// Phased rollout
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01 Jan 2026 · liveOTA Peppol AuthorityOTA appointed Peppol Authority.
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01 Feb 2026 · liveSandbox openTest environment available.
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01 Aug 2026 · upcomingPhase 1 — Large taxpayers~150 largest VAT taxpayers.
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01 Mar 2027 · upcomingPhase 2 — MidMid-sized taxpayers.
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01 Sept 2027 · upcomingPhase 3 — RemainingAll remaining taxpayers.
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01 Feb 2028 · upcomingB2G mandateB2G layer activated.
// Penalties
Oman VAT Law penalties apply; specific e-invoicing fines to be published.
// ERP implementation notes
SAP S/4HANA (incl. DRC) & SAP ECC
SAP DRC Oman: roadmap for Fawtara via SAP Peppol Exchange Service.
Microsoft Dynamics 365 (F&O + Business Central)
D365 PINT-OM expected in 2026 ER configuration.
Odoo (Community + Enterprise)
l10n_om base + account_peppol; PINT-OM profile in development.
// Frequently asked questions
When does Oman e-invoicing become mandatory?
See the phased rollout section above for the full schedule. The Oman mandate is administered by OTA (Oman Tax Authority).
What schema does Oman use for e-invoicing?
Oman uses PINT (UBL 2.1). Transmission: Peppol 5-corner via accredited ASPs.
Which ERPs support Oman e-invoicing today?
See the ERP implementation notes section above. Cloudare implements e-invoicing on Oracle Fusion, Oracle EBS, NetSuite, SAP, MS Dynamics, Zoho, Odoo, Sage, QuickBooks, and Tally — each with country-specific guidance.
What is the archive retention period for Oman e-invoices?
10 years from end of tax period.