Updating and merging GS1 codes


  1. Is it possible to update my old UPC Codes (Non-GS1) to New GS1 Codes on my old Amazon listings?

  2. Is it possible to merge a new Amazon listing with GS1 Code to my old Amazon listing with Non GS1 Code? Both listings are the same product and identical product information/packaging.

Thank you

It is but tricky. Best solution currently is prepare for when Amazon forces or notifies you, then it seems able to update best within a few hours.

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