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 China Colombia France Germany Guatemala Hong Kong India Italy Netherlands New Zealand Norway Switzerland Turkey United Kingdom United States Benefits (-) Data quality Operational efficiency Regulatory compliance Safety Traceability Standards (-) GTIN 1D barcodes 2D barcodes GS1 DataMatrix GS1 Digital Link Services Verified by GS1 GDSN Type of organisation Government (-) Data quality (-) Brazil (-) GTIN 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...