To request ungating in a specific Amazon category: Check eligibility criteria: Ensure you have a professional selling plan, good performance metrics, and the required documents like invoices and certifications. Apply through Seller Central: If a listed product is restricted, click "Listing Limitations Apply" and select the "Request Approval" button. Submit necessary documentation: Provide invoices from legitimate suppliers (minimum 10 units per product, dated within 90 days), along with product certifications and additional warranties, if applicable.