Is e-Invoicing mandatory in Oman?

e-Invoicing is currently planned for future implementation for B2B and planned for future implementation for B2G transactions in Oman.

What e-Invoice formats does Oman support?

Oman supports the following e-Invoice formats: XML, PDF/A-3.

What e-Invoicing standards does Oman use?

Oman uses the following e-Invoicing standards: OTA Fawtara specifications, Peppol 5-corner model, Peppol BIS.

Does Oman use Peppol for e-Invoicing?

Yes, Oman uses the Peppol network for e-Invoice exchange. Peppol enables standardised cross-border e-Invoicing with other Peppol-connected countries and organisations.

What is Oman's e-Invoicing clearance model?

5-corner Peppol model administered by the [Oman Tax Authority (OTA)](https://tms.taxoman.gov.om/portal/e-invoicing) as Peppol Authority (approved 7 January 2026). Invoices flow from supplier to supplier-side [accredited service provider](https://taxoman.gov.om/portal/service-provider), across the Peppol network to the buyer-side accredited service provider, then to the buyer; the OTA receives simultaneous invoice data transmission as Corner 5 for real-time reporting, with acknowledgments confirming delivery.

What are the penalties for e-Invoicing non-compliance in Oman?

Oman has penalties for e-Invoicing non-compliance. Non-compliance: Penalties apply for failure to comply with e-invoicing requirements after implementation per the [OTA e-invoicing FAQ](https://tms.taxoman.gov.om/portal/e-invoicing-faq), with a grace period provided before enforcement begins. Specific penalty amounts to be published by the [Oman Tax Authority](https://tms.taxoman.gov.om/portal/e-invoicing) closer to mandatory phases.

What ERP systems support Oman e-Invoicing?

Major ERP systems including SAP, Oracle, Microsoft Dynamics, Sage, and QuickBooks support Oman e-Invoicing through XML, PDF/A-3. Integration typically requires Peppol network connectivity or direct API integration.

How do I integrate my accounting software with Oman e-Invoice requirements?

To integrate with Oman e-Invoicing: 1) Ensure your software supports XML, PDF/A-3, 2) Connect via a Peppol Access Point provider, 3) Comply with OTA Fawtara specifications.

What technical standards must my software support for Oman e-Invoicing?

Oman requires compliance with OTA Fawtara specifications, Peppol 5-corner model, Peppol BIS standards. Supported formats include XML, PDF/A-3. Archiving requirement: 10 years electronic archiving mandatory under the [Fawtara Program](https://tms.taxoman.gov.om/portal/e-invoicing-faq); digital certificates, electronic credit notes, and electronic debit notes mandatory.

When is the next e-Invoicing deadline in Oman?

The next e-Invoicing deadline in Oman is 1 August 2026: Pilot phase go-live. Phase 1 of the [Fawtara Program](https://tms.taxoman.gov.om/portal/e-invoicing-faq) launches with 100 large VAT-registered companies selected based on

How do I get started with e-Invoicing in Oman?

To get started with e-Invoicing in Oman: 1) Choose a Peppol-certified Access Point provider, 2) Register for a Peppol ID, 3) Configure your accounting software to send/receive XML, PDF/A-3 formats, 4) Test with trading partners.

Who is exempt from e-Invoicing requirements in Oman?

Exemptions from Oman e-Invoicing may apply to: B2C transactions, Non-VAT-registered businesses, Voluntary early adoption. Check specific criteria as exemptions vary by transaction type and business size.

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Q: What is the B2B e-Invoicing status in Oman?

B2B e-Invoicing in Oman is planned for future implementation since 2026-08-01. Mandatory via the [Fawtara Program](https://tms.taxoman.gov.om/portal/e-invoicing) using OTA-accredited service providers under the Peppol 5-corner model. Phase 1 pilot with 100 large VAT-registered companies begins August 2026; Phase 2 mandatory adoption for all large VAT-registered companies from February 2027; Phase 3 SMEs from August 2027. E-invoices required in approved structured formats (XML or PDF/A-3); paper and PDF will not qualify.

Q: What is the B2G e-Invoicing status in Oman?

B2G e-Invoicing in Oman is planned for future implementation. Mandatory for government institutions under Phase 4 of the [Fawtara Program](https://tms.taxoman.gov.om/portal/e-invoicing-faq), with implementation date to be announced.

Updated 17 March 2026

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B2B

planned

from 1 August 2026

Mandatory via the Fawtara Program using OTA-accredited service providers under the Peppol 5-corner model. Phase 1 pilot with 100 large VAT-registered companies begins August 2026; Phase 2 mandatory adoption for all large VAT-registered companies from February 2027; Phase 3 SMEs from August 2027. E-invoices required in approved structured formats (XML or PDF/A-3); paper and PDF will not qualify.

B2C

none

B2C transactions are currently excluded from the Fawtara Program scope.

B2G

planned

Mandatory for government institutions under Phase 4 of the Fawtara Program , with implementation date to be announced.

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Coverage

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Mid-Market, Enterprise, global

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Exemptions

B2C transactions

B2C transactions are currently excluded from the Fawtara Program scope.

Non-VAT-registered businesses

Non-VAT-registered businesses are currently excluded from the e-invoicing mandate per the OTA e-invoicing FAQ .

Voluntary early adoption

Companies not targeted in the first phase may adopt the system voluntarily with optional early adoption and necessary support provided by the OTA .

Penalties

Non-compliance

Penalties apply for failure to comply with e-invoicing requirements after implementation per the OTA e-invoicing FAQ , with a grace period provided before enforcement begins. Specific penalty amounts to be published by the Oman Tax Authority closer to mandatory phases.

Standards:

OTA Fawtara specifications

Peppol 5-corner model

Peppol BIS

Supported Formats:

XML

PDF/A-3

Clearance Model:

5-corner Peppol model administered by the Oman Tax Authority (OTA) as Peppol Authority (approved 7 January 2026). Invoices flow from supplier to supplier-side accredited service provider , across the Peppol network to the buyer-side accredited service provider, then to the buyer; the OTA receives simultaneous invoice data transmission as Corner 5 for real-time reporting, with acknowledgments confirming delivery.

Archiving Requirements:

10 years electronic archiving mandatory under the Fawtara Program ; digital certificates, electronic credit notes, and electronic debit notes mandatory.

N/A

No SAF-T requirement; Oman uses the Fawtara Program administered by the Oman Tax Authority (OTA) with OTA-accredited service providers for invoice exchange and real-time tax reporting via the Peppol 5-corner model.

Pilot phase go-live

1 August 2026

Phase 1

Phase 1 of the Fawtara Program launches with 100 large VAT-registered companies selected based on revenue size, annual invoice volume, and technical readiness.

Large company mandatory adoption

1 February 2027

Phase 2

Phase 2 expands mandatory e-invoicing to all large VAT-registered companies under the Fawtara Program .

SME and remaining taxpayer rollout

1 August 2027

Phase 3

Phase 3 extends mandatory e-invoicing to all remaining VAT-registered taxpayers and SMEs per the OTA implementation timeline .

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Frequently asked questions about e-Invoicing in Oman

Primary sources for Oman

tms.taxoman.gov.om, tms.taxoman.gov.om, taxoman.gov.om, peppol.org, tms.taxoman.gov.om.

Related Countries

Oman e-Invoicing

eInvoicing Mandates

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Penalties & Compliance

Exemptions

Penalties

Technical Specifications

Standards:

Supported Formats:

Clearance Model:

Archiving Requirements:

SAF-T (Standard Audit File for Tax)

Featured Solution for Oman

Solutions for Oman

Frequently asked questions about e-Invoicing in Oman

Primary sources for Oman

Related Countries

Oman e-Invoicing

eInvoicing Mandates

eInvoicing Mandates

Exclusive sponsor for Oman

ClearTax

Penalties & Compliance

Penalties & Compliance

Exemptions

Penalties

Technical Specifications

Technical Specifications

Standards:

Supported Formats:

Clearance Model:

Archiving Requirements:

SAF-T (Standard Audit File for Tax)

SAF-T (Standard Audit File for Tax)

Implementation Timeline(11 events)

Featured Solution for Oman

Solutions for Oman

Frequently asked questions about e-Invoicing in Oman

Is e-Invoicing mandatory in Oman?

What is the B2B e-Invoicing status in Oman?

What is the B2G e-Invoicing status in Oman?

What e-Invoice formats does Oman support?

What e-Invoicing standards does Oman use?

Does Oman use Peppol for e-Invoicing?

What is Oman's e-Invoicing clearance model?

What are the penalties for e-Invoicing non-compliance in Oman?

What ERP systems support Oman e-Invoicing?

How do I integrate my accounting software with Oman e-Invoice requirements?

What technical standards must my software support for Oman e-Invoicing?

When is the next e-Invoicing deadline in Oman?

How do I get started with e-Invoicing in Oman?

Who is exempt from e-Invoicing requirements in Oman?

Primary sources for Oman

Related Countries