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Google to enforce unique product identifiers on free merchant listings

Starting on September 15, 2021, Google said it will begin to enforce the requirement of products having unique product identifiers in the merchant feeds for free listings. Google will start enforcing the requirements to have unique product identifiers on your product listing feeds with Google Merchant Center tomorrow, September 15, 2021, the search company announced. What are unique product identifiers (UPIs). Google said a unique product identifier, also known as UPIs, are considered products that include Global Trade Item Numbers (GTINs), Manufacturer Part Numbers (MPNs), and brand names in the product…

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