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VAT Number Check Oman

Validating a counterparty's Oman VAT number before invoicing

The Oman Tax Authority's free Tax Data Validation service, which confirms whether a VATIN is active by looking it up on the OTA portal using the VATIN, Tax Card number or Commercial Registration number. Buyers use it to confirm a supplier was registered on the invoice date, since input VAT cannot be recovered on invoices issued before a supplier's registration took effect.

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