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A customer selling products without UPCs (GTINs) faced an issue with Google Merchant Center. Without a valid UPC, products were flagged as invalid, and the customer wanted to know how to annotate products to indicate the absence of a UPC without manually editing files or disrupting the app's automatic updates.
The osCommerce team explained the ideal solution:
- Avoid setting identifier_exists = false unless the product truly has no identifier, as this is not a recommended practice.
- Follow Google's guidelines for products without official identifiers. If the product is custom-made or homemade:
- Use the store name as the brand.
- Assign an MPN (Manufacturer Part Number) with a unique identifier of the customer's choice.
The team also highlighted how to configure the MPN field directly on the Merchant Center page, making it simple and efficient to align with Google's requirements.
osCommerce provides clear guidance and tools to address common challenges with third-party platforms like Google Merchant Center, empowering merchants to comply with standards and maintain a smooth operation.
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