Oman Tax Authority Updates E-Invoicing FAQs, Phased Rollout Begins August 2026 for Large Companies

Oman Tax Authority (OTA) updated e-invoicing FAQs, covering 24 key areas such as implementation, compliance, and technical requirements.
E-invoicing rollout begins August 2026 for 100 large VAT-registered companies, with phased expansion to all VAT taxpayers and government entities.
Main goals: improve transaction efficiency, transparency, tax compliance, and prevent fraud.
OTA will provide guidance, training, and technical support to businesses during the transition.

Oman Takes Additional Steps Toward Establishing E-Invoicing System; Pilot Scheduled for August 2026

Oman’s e‑invoicing initiative: The Sultanate of Oman is implementing an electronic invoicing system to modernize tax compliance and support digital transformation, using the internationally recognized 5‑Corner Model for secure, standardized invoice exchange.
Project objectives and rollout: The system aims to enhance transparency, reduce fraud, and ensure interoperability with global standards. Rollout will be phased—starting with large taxpayers and VAT‑registered companies, then expanding to SMEs.
Current status and next steps: OTA has conducted initial consultations and shared a draft data dictionary for feedback. The pilot phase is scheduled for August 2026, with further announcements and consultations expected before full implementation.

E-invoicing