Last reviewed: 2026-06-16

Source Document Contract

Canonical object: SourceDocument

Required concepts: - id - document type - source system or origin - document date - parties when applicable - evidence reference when applicable - supersession status

Rules: - Source evidence should not be silently overwritten. - Supersession must preserve prior evidence identity.

Validation expectations: - document identity is preserved over updates. - origin and date are recorded.

Related truth pages: - ../accounting/source-documents.md