This document provides a summary of a report on the management information systems of Carrefour, a large international retailer. It discusses Carrefour's background and operations, as well as the objectives, challenges, and deliverables of improving its systems. The report also outlines user requirements, functional requirements, and system requirements. Diagrams are included to depict the context, use cases, and sequence of activities. The overall aim is for Carrefour to better meet customer expectations through more efficient and innovative systems.