Since March 2025, Amazon reimburses lost and damaged FBA inventory at manufacturing cost rather than sale price, substituting its own low estimate when a seller's cost data is missing. Most discrepancy types carry roughly a 60-day claim window, and Amazon's automatic reimbursements only catch the simple, high-volume cases.
Amazon's reimbursement policy changed in March 2025. Lost and damaged FBA inventory is now reimbursed based on the seller's manufacturing cost, not the item's sale price. This lowered payouts across the board, since manufacturing cost is typically a fraction of what an item sells for.
The bigger issue for most sellers: if your cost data fields in Seller Central are blank or outdated, Amazon fills in its own estimate, and that estimate is consistently lower than a seller's actual cost. Keeping accurate, current cost data on file is now a direct financial decision, not paperwork. See the cost data audit feature for how Refunzo checks this before a claim is priced.
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Amazon does reimburse some discrepancies automatically, without a seller filing anything. This generally covers simple, high-confidence cases: a unit clearly lost in a single, well-documented step, for instance.
It does not reliably cover multi-step discrepancies, underpayments against your real cost basis, cases needing carrier proof of delivery, or anything requiring a human to assemble evidence across more than one report. That gap is what ongoing monitoring, rather than a one-time audit, is built to close.
Every claim needs evidence specific to its type: carrier proof of delivery for shipment discrepancies, condition and disposition records for returns, verified dimensions for fee overcharges, and your own cost documentation wherever a payout is disputed. See each reimbursement type page for the exact evidence Amazon accepts.