MyOrderBoxFAQIntermediate

Why do I see USN codes in the Order History?

Last verified: 2026-03-06

USN (Unique Sequence Number) codes appear in your Order History when the Fiscal Printer feature is enabled on the POS. Fiscal printers are used in certain countries to generate government-mandated tax receipts, and each receipt is stamped with a unique sequence number for audit purposes.

If your store does not require fiscal printing, these codes are unnecessary and can be removed by disabling the feature.

What are USN codes?

  • A USN is a sequential identifier assigned to each transaction by a fiscal printer.
  • They appear as alphanumeric codes alongside orders in the Order History and in printed reports.
  • They are only relevant if your country or region requires fiscal receipt compliance.

How to disable USN codes

  1. Open MyOrderBox POS on your terminal.
  2. Go to Settings > Advanced Settings > Peripheral.
  3. Set Fiscal Printer to No.
  4. Confirm the change and return to the main screen.

Note: After disabling the fiscal printer, new orders will no longer display USN codes. Existing orders in your history will retain the codes they were originally assigned.

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