Amazon Tightens ASIN Creation for Brand Registry Products

Amazon catalog control is getting tighter for branded products.

Amazon's own ASIN creation guidance already says that when a product belongs to a brand enrolled in Amazon Brand Registry, the seller creating the product detail page needs the right brand relationship: either a Brand Representative role or a Reseller role authorized by the brand. Amazon's Brand Registry role documentation also explains that selling roles are separate from protection roles, and that selling roles can unlock brand selling benefits and the ability to create new listings for a brand.

The new development is enforcement scope. EcomCrew reported that, effective June 1, 2026, Amazon is applying this ASIN creation restriction more explicitly to U.S. vendors for Brand Registry-enrolled brands. In practical terms, a vendor or third-party seller that wants to create a new ASIN for a registered brand may need a formally assigned Reseller role through Brand Registry, not just a supplier relationship, prior sell-through history, or generic approval to sell in a category.

This does not mean every reseller is blocked from selling existing ASINs. The update is about creating new ASINs for Brand Registry brands. But the risk can still reach existing catalogs if a seller relies on duplicate pages, orphaned branded ASINs, unauthorized bundles, or listings that were created years ago without clear brand authorization. Public seller discussions around enforcement show why sellers are concerned: when Amazon questions the authority behind a branded ASIN, the seller may need to produce a letter of authorization, invoices from the brand, or invoices from an authorized distributor.

For brand owners, the direction is clear. Brand Registry is becoming more than a content and enforcement tool; it is part of catalog governance. If you want distributors, agencies, or marketplace partners to create listings, confirm which account should hold the Reseller or Brand Representative role and document the approval. That work belongs beside the broader Amazon Brand Registry operating checklist and ongoing Amazon brand protection monitoring.

For resellers and distributors, the action item is documentation. Audit branded ASINs that your account created, especially products from brands you do not own. Separate normal offers on existing ASINs from listings your team created as new product detail pages. Then confirm whether the brand is enrolled in Brand Registry and whether your account has a formal selling role. If not, ask the brand owner or administrator for the correct Brand Registry assignment before creating additional branded pages.

This also matters for account teams managing launches. A blocked ASIN creation workflow can delay images, A+ content, advertising, FBA inbound planning, and Prime Day merchandising. SellerMage recommends folding this check into Amazon account management services and Amazon listing optimization before launch calendars are finalized.

The key takeaway: Amazon is continuing to move branded catalog creation toward permission-based control. Sellers should not treat ASIN creation as a routine upload task when the brand is enrolled in Brand Registry. Confirm the role, preserve the authorization trail, and clean up risky duplicate or legacy branded listings before enforcement finds them first.

Sources:

• Amazon, "How to create a new ASIN on Amazon": https://sell.amazon.com/blog/how-to-create-a-new-asin-amazon
• Amazon, "What are Brand Registry roles?": https://sell.amazon.com/blog/brand-registry-roles
• Amazon Seller Forums, "Protection roles and selling roles in Brand Registry": https://sellercentral.amazon.com/seller-forums/discussions/t/e3c27e4e-a471-425e-85f3-20142a07c895
• EcomCrew, "Amazon Tightens ASIN Creation Rules: What the June 2026 Policy Update Means for Sellers": https://www.ecomcrew.com/amazon-tightens-asin-creation-rules-what-the-june-2026-policy-update-means-for-sellers/