Amazon Ends Inventory Commingling: What It Means for Your Seller Business

Amazon is ending inventory commingling by March 31, 2026—a significant shift that changes how sellers operate on the platform.

Here’s what’s happening:

Starting March 31, sellers’ products will no longer be mixed with identical items from other sellers. Each seller’s inventory will be tracked separately, meaning your products stay yours and aren’t commingled with competitors’ stock.

Why this matters for your business:

• Stronger brand protection: Your products are clearly identified as yours, reducing the risk of counterfeit items damaging your reputation
• Increased buyer trust: Customers know exactly who they’re buying from, which can improve conversion rates and reviews
• Reduced safety risks: Commingling has been a source of product quality and safety issues—this eliminates that problem
• Better accountability: Amazon can now hold individual sellers responsible for product quality and compliance

The trade-off:

Resellers will now be required to use Amazon barcodes instead of their own, adding labeling costs and requiring operational adjustments. If you’re using FBM (Fulfillment by Merchant), you’ll need to ensure your labeling process is updated before the deadline.

What this means for different seller types:

For established sellers with strong quality standards, this is a win. For those cutting corners or relying on commingling to hide quality issues, this raises the bar significantly.

Action items:

The deadline is March 31, 2026. If you’re selling on Amazon, now’s the time to audit your labeling process and ensure you’re ready for the transition. Review your current barcode strategy, understand the new Amazon barcode requirements, and plan any operational changes needed to stay compliant.