Spreadsheet Failure ModeManual Workflow
Root Operational Bottleneck
In-house bank balances are typed from subsidiary cash exports into a house-account sheet, so a missed paste leaves the house ledger disagreeing with entity cash.
Control Hazard & Audit Exposure
Subsidiary in-house balances disagree with the cash ledger after a missed paste, and intercompany cash is plugged at consolidation.
Deterministic Software ReplacementClient-Owned Architecture
In-House Bank Ledger that Ties Subsidiary Cash to the House Account Every Session
In-house bank ledger that reads subsidiary cash and house-account activity and flags any entity whose house balance does not equal its cash ledger.
Continuous Assertion Rule
House assertion: each subsidiary's in-house bank balance must equal its cash-ledger balance for that currency, or the session cannot close.