Symptoms
- Same order appears more than once in POS or backend reports
- Customer is charged twice for a single transaction
- Duplicate receipts are printed
- Issue often reported after slow response or retry action
Likely Causes
- Operator retrying action due to delayed response
- Network latency causing duplicate submission
- Payment or order service timeout with retry
- Terminal clock or sync anomaly
Supporting Procedures
- P-000064-01 — Identify and confirm duplicate transactions
- P-000064-02 — Check timestamps and transaction IDs
- P-000064-03 — Verify payment processor records
- P-000064-04 — Prevent further retries and stabilize system
- P-000064-05 — Duplicate transaction escalation
Notes
- Duplicate charges are customer-sensitive and require careful handling
- Never delete records without confirming true duplication