The accepted Phase 4 milestone established a versioned contract for supported pedimento XML and a canonical model for pedimentos and line items. It distinguished missing, blank, invalid, zero, and present values, preserved decimal and date semantics, and kept parser output separate from customs-domain validation.
The same phase added declaration families and versions, rectification relationships, effective-view logic, controlled reprocessing, evidence-derived official status, and field or relationship provenance.
The boundary remains important. The accepted corpus contains thirteen synthetic cases, historical parser code is not fully replayable, production reference-data custody remains unresolved, and no live government verification is claimed.
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