Entities

Evidence document

A file supporting an assertion — bank statement, subledger extract, contract, calculation schedule — linked to the record it substantiates.

Volume

Thousands per tenant per period

Retention

Audit period with legal hold override

Entity attributes8
  • attached_to_type / attached_to_id
  • Evidence storage must support immutability and per-tenant residency.
  • Evidence must be retained for the statutory audit period with support for legal hold overriding otherwise-valid deletion.
  • evidence_document_id
  • Evidence storage must support immutability and per-tenant residency.
  • document_type
  • uploaded_by / uploaded_at
  • Evidence must be retained for the statutory audit period with support for legal hold overriding otherwise-valid deletion.
Entity relationships1
Entity lifecycle

Not yet researched

Only the control-bearing entities were modelled for lifecycle. Defensible as a starting point, but it does leave the entity model uneven, and this is incompleteness rather than a finding.

Glossary links1