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 Consumer packaged goods (CPG) Apparel Fresh foods General merchandise Marketplaces Healthcare Transport & Logistics Technical Industries Foodservice (-) Public sector Region Latin America Country Argentina Australia (-) Brazil China Hong Kong Ireland Italy Malaysia Mexico Netherlands Norway Saudi Arabia United Kingdom United States Benefits Data quality Operational efficiency Standards GTIN 1D barcodes Services Verified by GS1 GDSN Type of organisation Government (-) Brazil (-) Public sector 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...