A deduction shows up on the accounts receivable report, but no one can say for sure why it happened.
Finance knows how much was withheld. Sales understands the relationship with the retailer. Operations keeps the shipment records, and customer service might have the purchase order, invoice, and emails. Each team has part of the story, but no one has the full answer.
Eventually, the claim gets coded, reconciled, or written off. The report moves on, but the main question is s