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This document establishes the core principles and specifications for enabling structured and semantically consistent information exchange between BIM and GIS. It provides a comprehensive framework for understanding, planning, and implementing information exchanges that span both the BIM domain and the GIS domain. This document provides a conceptual framework, built around eight perspectives on BIM-GIS information exchange: life cycle, process, product, data, exchange, actor, geospatial, and standards perspectives, how they shape, dictate, or constrain the structuring and execution of information exchanges, and the relationships between them and their application to specific use cases. It also addresses the following key elements: Requirements definition and hierarchy for BIM-GIS information exchanges Services enabling exchange and integration, transformation, query and analysis, and visualization and communication Functions supporting spatial registration and georeferencing, data harmonization, linking, analytical operations, and workflow management Resources including data and information types, formats, and their characteristics Repositories for centralized data management, translation and integration, and specialized storage It provides guidance on: Use case definition, services, and functions specification Application schema considerations addressing fundamental differences between BIM and GIS data structures Data resources management including objects, entities, and features Position and location management including georeferencing levels, metadata requirements, and implementation tasks Coordinate reference system selection and transformation parameters Georeferencing, including levels of georeferencing, metadata requirements and georeferencing tasks