| Implementation blueprint | Scope, architecture, use cases, dependencies, environments, controls, release approach | Programme alignment and approval | Objectives, constraints, architecture, delivery governance |
| Domain and canonical model | Entities, attributes, identifiers, relationships, hierarchies, source mappings | Configuration and integration | Domain expertise, samples, policy decisions |
| Match and survivorship specification | Standardisation, match rules, thresholds, source trust, merge, exceptions | Golden-record creation | Representative data and risk tolerances |
| Stewardship and control design | Roles, workflows, approvals, access, audit evidence, escalation, SLAs | Governed operations | Role owners, policies, security and privacy review |
| Integration and migration assets | Mappings, interfaces, load routines, reconciliation, error handling, lineage | Source onboarding and publishing | System access, owners, technical specifications |
| Testing and release evidence | Test cases, results, defect logs, acceptance, cutover, rollback, stabilisation | Controlled deployment | Test participation and release approvals |
| Operational handover pack | Runbooks, monitoring, support model, training, KPI definitions, backlog | Sustainable service operation | Named support owners and service processes |