E-invoicing Oman is moving from a future tax technology initiative to a practical business-readiness priority. Oman’s Tax Authority is implementing Fawtara, a digital invoicing framework designed to standardize invoice issuance, exchange, validation, and reporting while reducing manual errors and improving tax compliance. What is e-invoicing in Oman? E-invoicing Oman refers to the electronic issuance, exchange, storage, and submission of invoices through an approved mechanism and prescribed format. Unlike a conventional PDF, an e-invoice is structured digital data that can be processed electronically. The Oman Tax Authority states that the system is designed to improve transaction efficiency, data accuracy, tax compliance, secure archiving, and reporting.