UAE 2027ASP appointment deadline 30 Oct 2026 · Phase 1 go-live 1 Jan 2027 (≥ AED 50M) · MoF Guidelines v1.1 live.Read the UAE brief →
GCC · OTA (Oman Tax Authority)

Oman

Peppol 5-CornerISO OMArchive 10 yrsLast verified 27 Jun 2026
Updated in last 30 days·Atlas data current as of

​‌‌​​‌​‌​​‌‌‌​​‌​​‌‌​‌​​​​‌‌​‌​‌​​‌‌​‌​​​‌‌​​‌‌​​​‌‌​‌‌​​​‌‌​​‌‌Decentralised Peppol 5-corner model under Oman Tax Authority. PINT-OM specification published via OpenPeppol Apr 2026. ASP paid-up capital requirement reduced from OMR 60,000 to OMR 6,000 (May 2026), opening the market. Phase 1 go-live Aug 2026 (top ~100 large taxpayers); Phase 2 Feb 2027 (all large taxpayers); Phase 3 Aug 2027 (all remaining VAT-registered); Phase 4 Feb 2028 (B2G). 53 mandatory + 46 simplified + up to 66 conditional fields. XAdES digital signatures. 10-year archive (15 for real estate).

Cloudare has shipped 4 🇴🇲 Oman integrations · talk to us →

// Phased rollout

  • 01 Dec 2025 · live
    Draft Data Dictionary circulated
    OTA shared first concrete technical requirements with selected taxpayers.
  • 01 Feb 2026 · live
    Sandbox / developer environment
    OTA sandbox went live; ASPs and large taxpayers begin integration testing.
  • 01 Apr 2026 · live
    PINT-OM specification published
    OpenPeppol publishes PINT-OM specification covering invoices, credit notes, self-billing and Tax Data Documents.
  • 01 May 2026 · live
    ASP registration portal opens
    ASP paid-up capital requirement reduced from OMR 60,000 to OMR 6,000. Pre-approved ASP list updated continuously.
  • 01 Aug 2026 · upcoming
    Phase 1 — Top ~100 large taxpayers
    Selected large VAT-registered taxpayers must issue e-invoices via accredited ASPs.
  • 01 Feb 2027 · upcoming
    Phase 2 — All large taxpayers
    All remaining large VAT-registered taxpayers.
  • 01 Aug 2027 · upcoming
    Phase 3 — All VAT-registered
    All remaining VAT-registered businesses including SMEs.
  • 01 Feb 2028 · upcoming
    Phase 4 — B2G
    Government institutions and public entities; full nationwide e-invoicing framework completion.

// 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.
Oracle Fusion Cloud ERP
Oracle Fusion OM + ASP partner (Pagero, Avalara).
Oracle NetSuite
MENA Localization + accredited ASP.
Odoo (Community + Enterprise)
l10n_om base + account_peppol; PINT-OM profile in development.
Zoho Books / Zoho One
Zoho Books Oman edition: Fawtara compliance roadmap.

// Implementation playbook

Cloudare has shipped 4 Oman integrations. We will email you the full implementation playbook for Oman — typical project plan, ERP-by-ERP gotchas, regulator-specific edge cases, sample test data. No marketing.

// 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.

// Adjacent jurisdictions

// Sources

Cloudare Implementation Services

Map the mandate. Then ship the integration.

Cloudare Technologies has shipped 200+ e-invoicing implementations across Oracle EBS, Oracle Fusion, NetSuite, Microsoft Dynamics 365, SAP, Zoho, Odoo, Sage, QuickBooks and Tally — across India, GCC, MENA, EU and APAC.

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