e-Invoice.app
Oman

Oman e-Invoicing

Updated 20 January 2026

B2B
planned
from 1 August 2026
Mandatory via Fawtara Program using OTA-accredited service providers. Phase 1 pilot with 100 large VAT-registered companies begins August 2026, with full rollout by August 2028.
B2G
planned
Mandatory for government institutions under Phase 4 of the Fawtara Program , with implementation date to be announced.
B2C
none

Penalties cover: Non-compliance
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View penalty information, exemptions, and cross-border requirements for Oman.

OTA Fawtara specifications
5-corner model
XML
PDF/A-3
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Access Oman's OTA Fawtara specifications, 5-corner model standards, XML, PDF/A-3 format specifications, and clearance model details.

N/A
No SAF-T requirement; Oman uses the Fawtara Program with OTA-accredited service providers for invoice exchange and real-time tax reporting.

Access detailed regulatory announcements and implementation guidance.

Fawtara visual identity launched at COMEX 2025
1 May 2025
Announcement
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E-invoicing roadmap and SP accreditation standards published
25 September 2025
Announcement
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Publication of e-invoicing specifications
1 November 2025
Preparation
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Service Provider standards and workshop series
1 December 2025
Preparation
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OTA Granted Peppol Authority Status
20 January 2026
Accreditation
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Developer portal launch
1 February 2026
Development
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Service Provider registration opens
1 May 2026
Accreditation
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Pilot phase go-live
1 August 2026
Phase 1
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Large company mandatory adoption
1 February 2027
Phase 2
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SME and remaining taxpayer rollout
1 August 2027
Phase 3
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Expected completion of phased rollout
1 August 2028
Full Implementation
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Last updated: 20 January 2026
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