- Oman’s Tax Authority has made electronic invoicing mandatory for all VAT-registered businesses under Decision No. 189/2026.
- Rollout is split into two phases in 2027: 1 April for businesses with annual supplies over OMR 5 million, and 1 October for the rest.
- A voluntary pilot with 100 companies will start in late August 2026 to test the system.
- Electronic tax invoices must be issued, transmitted, and stored in approved secure electronic/XML format; paper, PDF, and image invoices will not count.
- Invoices must generally be issued within 15 days of the relevant transaction, payment, or deemed-supply event.
Source: entarabi.com
Source: p2pnetwork.org
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.
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