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 Europe Asia Pacific North America Country Argentina Brazil Guatemala Peru Benefits (-) Data quality Inventory management Operational efficiency Regulatory compliance Sustainability Safety Traceability Transparency Standards GTIN GLN SSCC 1D barcodes 2D barcodes GS1 Digital Link RFID Services Verified by GS1 GDSN Type of organisation Retailer Manufacturer Government Logistics provider Small & Medium Enterprises (-) Data quality (-) Fresh foods (-) General merchandise (-) Public sector (-) Latin America Clear all filters Showing 5 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... Retail, Fresh foods Brazilian gourmet shop scans the world’s first 2D barcode with a GS1 Digital Link Parla Deli is unlocking business value and connecting to customers by implementing the very latest G... EPC/RFID brings visibility and better quality data Fresh producer Legumex develops a traceability system Traceability helps Alimentaria San Francisco strengthen reputation