If part of your Amazon business is fulfilled by merchant (FBM) rather than FBA – common for wholesale resellers who ship slower-moving or oversized SKUs themselves – a new refund-timing rule took effect on January 26, 2026 that changes how much time you have to process a return before Amazon takes the decision out of your hands.
Under the old rule, sellers had two business days after receiving a returned item to issue the refund. Under the new rule, that window expanded to four calendar days – but the catch is it now includes weekends and holidays, and if you miss it, Amazon can automatically refund the buyer for you.
| Old Rule (before 1/26/2026) | New Rule (from 1/26/2026) |
|---|---|
| 2 business days to refund after receiving the return | 4 calendar days to refund after receiving the return (weekends/holidays count) |
| Manual refund required within window, no automatic-refund trigger described | If you miss the 4-day window, Amazon may issue an automatic refund to the buyer |
| SAFE-T claims available for disputed refunds generally | SAFE-T reimbursement generally NOT available once Amazon’s automatic refund has triggered |
| N/A | Refund at First Scan (RFS) is unaffected – if Amazon issued the prepaid return label and RFS triggers, the refund still happens at first scan as before |
This only applies to FBM orders where Amazon did not provide a prepaid return label and RFS was not triggered – in other words, returns you are handling end-to-end yourself. For wholesale resellers juggling multiple SKUs and multiple suppliers, that four-day clock starts the moment the item physically arrives back at your location, not when the buyer requests the return – so fast inspection matters more than ever.
What to Do Before Your Next FBM Return Lands
- Use Amazon’s Guided Refund Workflow (GRW) to grade the returned item’s condition, apply restocking fees where your policy allows, and attach photo evidence if the item comes back damaged or incomplete.
- Inspect and process FBM returns the same day they arrive where possible – four calendar days disappears fast across a weekend.
- Keep delivery and carrier tracking records on hand, since SAFE-T claims for items lost in transit or with delivery-confirmation errors are still allowed – but you need the paper trail to prove it.
- If you’re waiting on a verified-distributor invoice or authenticity documentation for a disputed return, keep it filed with the order – the same invoice discipline that supports authentic-distributor verification also strengthens a SAFE-T claim.
- Build the 4-day window into your cash-flow planning alongside Amazon’s other 2026 payout-timing changes – an automatic refund you can’t contest is a cost you should expect, not a surprise.
When did Amazon’s new FBM refund rule take effect?
January 26, 2026. Before that date, FBM sellers had two business days to process a refund after receiving a return; the window is now four calendar days, which includes weekends and holidays.
What happens if I miss the 4-day refund window?
Amazon may automatically issue the refund to the buyer on your behalf. Once that automatic refund triggers, you generally lose the ability to recover those funds through a SAFE-T claim.
Does this rule apply to FBA orders?
No. It applies specifically to FBM (fulfilled-by-merchant) orders – ones you ship and receive returns for yourself, not inventory stored in Amazon fulfillment centers.
Does Refund at First Scan still apply?
Yes. When Amazon provides a prepaid return label and Refund at First Scan (RFS) is triggered, the refund still happens at first scan exactly as before. The new 4-day rule only governs returns where RFS did not trigger.
Can I still file a SAFE-T claim under the new rule?
Yes, in limited cases – for example if the return was lost in transit or there was a delivery-confirmation error that wasn’t your fault. You’ll need supporting evidence such as tracking records.
What is the Guided Refund Workflow (GRW)?
It’s Amazon’s tool for inspecting a returned item’s condition, applying restocking fees where appropriate, and documenting evidence if the item isn’t in its original condition – using it is the main way to preserve your SAFE-T eligibility within the new window.
Why does this matter more for wholesale resellers than private-label sellers?
Wholesale resellers often split inventory between FBA and self-fulfilled (FBM) channels, especially for slower-moving or oversized SKUs from their suppliers. A tighter, stricter refund clock on the FBM side adds a new operational step – fast inspection and documentation – that pure FBA sellers don’t have to manage.
Does the 4-day clock start when the buyer requests a return or when the item arrives back?
It starts when you physically receive the returned item, not when the return is requested. That makes quick receiving and inspection processes more important than before.
Related reading: Wholesale Return Policies: What to Expect When You Order in Bulk | Amazon’s FBM Handling Time Rules | Amazon’s DD+7 Payout Delay and Wholesale Cash Flow | How to Verify an Authentic Amazon Distributor | Wholesale Brand Hub
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