Banks
National Bank of Oman (NBO)
The National Bank of Oman (NBO) accepts WPS SIF files using bank code NBOMOMRX and IBANs with the 030 bank segment. Ujoor validates every row against the Central Bank of Oman SIF v4.1 spec so NBO does not bounce your file for a single stray character or a Civil ID with leading zeros.
IBAN prefix: OM__030
How to upload your SIF file to National Bank of Oman (NBO)
- Generate the SIF from your payroll tool as a UTF-8 .csv or tab-separated .txt.
- Open Ujoor and drop the file 75+ rules run in your browser.
- Resolve every error: IBAN length, duplicate account numbers, missing notes on sub-minimum pay.
- Export the validated file from Ujoor.
- Log in to NBO Corporate Online Banking and open the WPS / Salary upload section.
- Upload the clean file, review the batch summary, and approve the payment.
Common reasons National Bank of Oman (NBO) rejects SIF files
- Bank code mistyped as NBOOMRX or NBOMOMR NBO requires exactly NBOMOMRX.
- Muzn (NBO’s Islamic window) accounts mixed into an NBO file Muzn uses NBOMOMRXIBS.
- Account numbers submitted with dashes or spaces that NBO’s parser rejects as invalid characters.
- Salary Frequency left lowercase (m / b) instead of uppercase (M / B).
- Civil IDs with leading zeros copied from Excel NBO strips them and rejects the mismatch.
Validate your SIF file now
Drop your file. See every issue inline. Fix it and download a clean file all in your browser.