| Consumer and interface inventory | Systems, owners, domains, fields, frequencies, volumes and dependencies | Register and flow map | Assessment | Application and business-owner interviews | Joint |
| Canonical model and mapping specification | Source-to-canonical and canonical-to-consumer mappings, codes and transformations | Model and mapping workbook | Design | Definitions, samples and approvals | Dataconsultant |
| Distribution architecture | Patterns, components, security zones, routing, resilience and observability | Architecture pack | Design | Platform standards and constraints | Dataconsultant |
| Data contracts and interface specifications | Schemas, versions, required fields, error responses and service expectations | API/event/file specifications | Design | Consumer acceptance | Joint |
| Engineered syndication flows | Configured interfaces, transformations, routing and deployment artefacts | Code and configuration | Implementation | Environment and platform access | Dataconsultant |
| Quality and reconciliation controls | Rules, checkpoints, counts, acknowledgements, exception queues and evidence | Control matrix and dashboards | Build and test | Acceptance thresholds | Joint |
| Testing and cutover pack | Test scenarios, results, defects, rollback, migration and release procedures | Test and deployment documentation | Validation | Test data and business sign-off | Joint |
| Operating model and runbook | Ownership, support, monitoring, escalation, change and recovery procedures | RACI, SOPs and runbook | Transition | Support-team participation | Joint |