Amazon's GTIN exemption process allows sellers to request exemptions for product listings that do not have valid Global Trade Item Numbers (GTINs) or UPCs (Universal Product Codes). However, please note that processes and policies on Amazon can change over time, so it's always a good idea to refer to Amazon's official documentation or Seller Central for the most up-to-date information.

1. Determine eligibility: Not all products are eligible for GTIN exemption. Typically, products that are handmade, vintage, or are in certain categories may be eligible for exemption. Check Amazon's GTIN exemption guidelines to see if your product qualifies.

2. Access the Seller Central: Log in to your Amazon Seller Central account.

3. Create a product listing: Create a new product listing or locate the existing listing for the product you want to request a GTIN exemption for.

4. Request an exemption: Within the product listing, go to the "Vital Info" or "Offer" tab and find the "Product ID" or "GTIN" field. Select the option to "Does not apply" or "I don't have a UPC or EAN" to indicate that you want to request a GTIN exemption.

5. Provide necessary information: You will be prompted to provide additional details about the product, such as brand, manufacturer, and relevant product identifiers if available. Explain why the product qualifies for a GTIN exemption based on Amazon's guidelines.

6. Submit the request: After filling out the required information, submit the request for a GTIN exemption.

7. Await approval: Amazon will review your request and determine whether the product qualifies for a GTIN exemption. The approval process may take some time, and you'll receive a notification from Amazon regarding the status of your request.

It's important to note that Amazon's GTIN exemption process may vary by region or category, and there might be additional requirements or steps involved. Therefore, it's recommended to consult Amazon's official documentation or reach out to Amazon Seller Support for detailed and accurate instructions tailored to your specific situation.