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 Fresh foods Marketplaces Healthcare Transport & Logistics (-) Technical Industries Foodservice (-) Public sector Region Latin America Country Argentina Australia (-) Brazil China Germany Ireland Mexico Netherlands Benefits Data quality Operational efficiency Standards GTIN (-) 1D barcodes Services Verified by GS1 GDSN Type of organisation Government (-) Brazil (-) 1D barcodes (-) Technical Industries (-) 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...