Efficient and secure processes require Electronic Data Interchange (EDI). At REWE Group, this is a prerequisite for a supplier relationship. The basis of the fully automated process are correct article master data, which are synchronized electronically between suppliers and retailers via the WS3 master data pool.

International standards for identification (e.g. GTIN, SSCC and EPC) enable the identification of articles and logistical units.

The exchange of electronic business documents is adapted to the flow of goods and is based on the international standards (EANCOM) and the application recommendations agreed by EDI work group retail and GS1.

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