Amazon Chargeback Code PO-UNCONFIRMED: Unconfirmed PO units chargeback
Extracted from source — pending expert reviewLast verified: 2026-07-09
What this deduction means
Amazon's Unconfirmed PO Units chargeback applies when a vendor ships units that were never confirmed against a purchase order — Amazon receives items it did not have a confirmed order for.
Typical penalty: A per-unit fee for unconfirmed units received
Common causes
- Shipping units beyond what was confirmed on the PO
- Confirmation not submitted before shipping
- Overage beyond the confirmed quantity
How to prevent Amazon code PO-UNCONFIRMED
- Confirm PO quantities in Vendor Central before shipping
- Ship only confirmed units and avoid overages
- Reconcile the shipment against the confirmed PO
Related EDI transactions
EDI 850EDI 856
Source
SPS Commerce SupplierWiki — Amazon Compliance Chargebacks (secondary industry source) (Accessed 2026-07-09; pending official Vendor Central verification)
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