Link reposted
https://www.gs1us.org/content/dam/gs1us/documents/industries-insights/by-industry/food/guideline-toolkit/Guideline-GS1-US-Guidance-for-Sharing-Product-Attributes-via-GDSN-in-Retail-Grocery.pdf
Link reposted
https://www.gs1us.org/content/dam/gs1us/documents/industries-insights/by-industry/apparel-general-merchandise/guideline-toolkit/Guideline-Best-Practice-Guideline-for-Exchanging-Product-Images-and-Attributes.pdf