Documentation on Oman

How to verify a Tax Card number in Oman using the TaxOman portal. Covers Tax Card vs VATIN distinction, VAT registration thresholds, and compliance for foreign businesses.

How to verify a VATIN (VAT Identification Number) in Oman using the TaxOman portal. Covers VATIN format, Oman 5% VAT rules, and input tax credit compliance.

Learn about TIN number in Oman. Use Lookuptax for hassle-free tax id validation in Oman and other 100+ countries

Learn about VAT rules and guidelines in Oman for businesses with our country guide — the 5% standard rate, the OMR 38,500 registration threshold and the nil threshold for non-residents, reverse charge on imported services, tax invoice rules including the 15-day deadline, and the Fawtara e-invoicing mandate that Decision No. 189/2026 phases in from 1 April 2027.