Title Image

E-Invoicing in Oman

In compliance with The Oman Tax Authority (OTA) regulations

Tailored to Fit Your Business

Certified Peppol Access Point

We are Peppol access point certified

Seamless Integration, Multiple Options

Multiple integration options –ERP (API/SFTP/DB), POS systems to simple portal solutions

100% OTA Compliance

Ensuring full adherence to OTA regulations for hassle-free e-invoicing

Secure Cloud Archival

Stores invoices safely in the Oman cloud

24/7 Support

Round the clock assistance, Option to choose SLA

Schedule a Complementary Awareness Session

Features of the electronic invoice in Oman

Tax Authority: Oman Tax Authority (OTA).

Model: PEPPOL 5-corner model

This allows businesses to send invoices through accredited service providers (Access Points) while the OTA monitors the exchange in real-time.

Scope:

The mandate applies to all VAT-registered businesses for all transaction types: B2B (Business-to-Business), B2G (Business-to-Government), G2B, and B2C (Business-to-Consumer).

Language: Invoices must support Arabic and English.

Mandatory Data Requirements

To be valid under the new regulations, an e-invoice must contain specific data points. The OTA has identified 53 mandatory fields, which include:

Seller & Buyer Information

Legal names and addresses of both parties.

VAT Registration Numbers (TRN).

Commercial Registration (CR) numbers.

Transaction Details

Unique Invoice Reference Number (IRN): A system-generated UUID.

Invoice Issue Date & Time: Precise timestamping is required.

QR Code: Required for B2C invoices and simplified B2B invoices to allow for instant verification.

Financial Breakdown

Line-item descriptions, quantities, and unit prices.

Applicable VAT rates (5%, 0%, or Exempt).

Total VAT amount and Total Gross amount in Omani Rial (OMR).

Implementation Roadmap

The rollout is phased by taxpayer size to ensure a smooth transition for the economy.

Phase Milestone Expected Date
Preparation Issuance of final technical specs and Data Dictionary. Nov–Dec 2025
Accreditation Service providers apply for OTA accreditation; Sandbox testing begins. Feb–May 2026
Wave 1 Pilot Launch: Mandatory for the top 100 large taxpayers. August 2026
Wave 2 Implementation for the remaining Large Taxpayer segment. February 2027
Wave 3 All other VAT-registered entities (SMEs and others). August 2027
Wave 4 Full integration including all government-linked transactions. August 2028

Our Global Clients

Customer Speak – Trusted by Enterprises

Redefining E-Invoicing for a Smarter Tomorrow

Lenorasoft delivers innovative and reliable solutions with seamless integration, 24/7 support, and rapid scalability to fuel growth. Their Anusaar e-invoicing Portal simplifies ERP integration, ensures compliance, and boosts efficiency with advanced dashboards and automation, setting a new standard for excellence.

Pramod Kumar Consultant, Bakertilly

Best Next-Gen E-Invoicing Solution Provider

Lenorasoft is known for its easy usability, reliability, and round-the-clock quick customer support, providing smooth compliance for e-invoice generation. Their e-invoicing solution, Anusaar ensures productivity and satisfaction, making them a trusted choice for modern businesses.

Baqer B. Finance AR manager, Esad Services

Consolidated e-invoices made simple

Lenorasoft’s product Anusaar made consolidated e-invoicing super simple for us. With their custom solutions to our requirements, we were able to consolidate data from multiple partner systems. They mitigated our issue of data storage and with their friendly support, they ensured a seamless integration making our goal easily achievable.

Abdi ERP manager, Aljomaih holding Co.

Blogs

Your complete Tax & E-invoicing Solution in One software