SIE.9:2 - Problem

Integrated data can remain unusable because the receiver cannot ask the relevant question or distinguish the answer’s conditions. An API may omit source edition and effectivity; a report may list a fused value without conflict; a schema may use one null for unknown, not applicable, stale, and timeout; a user may have no path to challenge an identity or mapping premise.

When the interface is treated as transport only, semantic obligations remain in internal documentation. The receiving Work either overtrusts the result or reconstructs meanings informally, creating a second uncontrolled integration at the boundary.