| ISO 19650-3 | Organization and digitization of information about buildings and civil engineering works — Part 3: Operational phase | ISO | Operational information | Asset information requirements and operational phase management. | Published — confirm edition at project start |
| ISO 19650-4 | Organization and digitization of information about buildings and civil engineering works — Part 4: Information exchange | ISO | Information exchange | Exchange protocols for operational information delivery. | Published — confirm edition at project start |
| COBie | Construction Operations Building Information Exchange | buildingSMART / NIBS | Asset handover | Structured asset data format for FM import. | Published — confirm edition at project start |
| ISO 16739 | Industry Foundation Classes (IFC) for data sharing | ISO | Asset geometry exchange | Spatial asset data in open format for FM and twin platforms. | Published — confirm edition at project start |
| ISO 12006-2 | Building construction — Organization of information about construction works — Part 2: Framework for classification | ISO | Asset classification | Classification framework for asset categorisation. | Published — confirm edition at project start |
| Uniclass 2015 | Unified Classification for the Construction Industry | NBS | Asset classification | Classification codes for asset register population. | Published — confirm edition at project start |
| ISO 55000 | Asset management — Overview, principles and terminology | ISO | Asset management | Asset management framework for handover data governance. | Published — confirm edition at project start |
| Client AIR | Asset Information Requirements | Project-specific | Operational specification | Primary reference for handover asset data requirements. | Project issue — confirm at appointment |
| AIA LOD Specification | Level of Development Specification | AIA | Record information | LOD 500 as-built scope — not digital twin equivalence. | Published edition — confirm at project start |