A balanced entry can still use the wrong account.
Decision: what evidence is needed before accepting the migrated posting rule?
For this demonstration only, the stipulated requirement for synthetic event SYN-EVT-001 is a ZAR 1,000 debit to Settlement Clearing and a ZAR 1,000 credit to Settlement Payable. The observed result uses a different debit account.
| Leg | Expected under the example rule | Observed in the example | Finding |
|---|---|---|---|
| Debit | Settlement Clearing · ZAR 1,000 | Operating Expense · ZAR 1,000 | Account attribution differs |
| Credit | Settlement Payable · ZAR 1,000 | Settlement Payable · ZAR 1,000 | Matches the stipulated credit |
| Balance check | Debits equal credits | Debits equal credits | Balance alone does not resolve the difference |
Gap: The reason for the changed debit account has not been established. The arithmetic cannot distinguish a mapping error from an authorised design change.
Next evidence: The approved accounting requirement, effective-dated mapping, source posting instruction, observed ledger extract and accountable finance review.
Decision condition: Resolve and document the difference before accepting this rule for the defined test population.