Case studies Welcome to the central library for all GS1 case studies. Use search or filters to discover case studies related to specific topics such as benefit, industry, service, standard or location. Search Industry Retail Marketplaces Healthcare Transport & Logistics Technical Industries Foodservice Public sector Region Latin America Country Argentina Australia (-) Brazil Bulgaria Canada Chile China Chinese Taipei Colombia Denmark Ethiopia Germany Hong Kong India Ireland Korea Malaysia Mexico Netherlands New Zealand Nigeria Norway Pakistan Saudi Arabia Spain Switzerland Turkey United Kingdom United States Zambia Benefits Data quality Operational efficiency Standards GTIN 1D barcodes Services Verified by GS1 GDSN Type of organisation Retailer Manufacturer (-) Government Healthcare provider Logistics provider Small & Medium Enterprises (-) Brazil (-) Government Clear all filters Showing 1 results Public sector Brazil’s Tax Administration knows the importance of valid product identification Using Verified by GS1 to authenticate the GS1 GTINs used to identify products on e-invoices, SEFAZ h...