6. Document Responsibilities

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Each part has a distinct responsibility.

Table 6-1: Responsibilities of the Financial Systems Archetype document parts

Part	Document	Responsibility
Part 0	Document Set Overview and Reader’s Guide	Explains the document set, layering model, document responsibilities, and navigation rules.
Part 1	Conceptual Architecture	Defines stable concepts, classification model, runtime-plane concepts, traceability, evidence, and separation of concerns.
Part 2	Logical Architecture / PIM	Defines platform-independent relationships, responsibilities, constraints, and information flows.
Part 3	FX Demo Logical Profile	Specializes the logical architecture for the Foreign Exchange demonstration.
Part 4	Phase 0 Implementation Profile / PSM	Maps selected logical concepts to Phase 0 technologies and implementation artifacts.
Part 5	Phase 0 Deployment, Testability, and Evidence Plan	Defines how Phase 0 is deployed, tested, observed, and evidenced.

Later phase documents may extend the document set by defining additional implementation or demonstration profiles. A later-phase profile may introduce capabilities not part of the Phase 0 baseline, provided those capabilities preserve the layering rules of the document set. For example, a Phase 2 Policy Plane and Authorized Release profile may define how the logical architecture is extended with policy-governed information sharing, release controls, metadata and aggregate view generation, and evidence requirements. Those capabilities should be introduced first at the conceptual and logical layers before being realized in an implementation profile.

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