The Branch That Could Not Close Its Cash
A community bank's branch in a mid-sized city processes about 1,400 teller transactions daily and holds a cash drawer reconciliation process that requires two signatures. During a routine branch audit, the internal auditor finds that 11 of 60 sampled days in the quarter show a single signature on the end-of-day cash proof, and that the difference amounts were always under $50 and were written off to a sundry expense account. The branch manager explains that the second reviewer, the operations supervisor, was on medical leave for six weeks and that the tellers were told to 'keep it moving' by the regional director. The sundry account has grown from $2,100 last year to $9,800 this year. No customer has complained. Prepare an audit finding.
1. Identify the control failure(s) and classify the severity. What evidence would you gather before finalizing the rating?
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The primary failure is a segregation-of-duties and review control breakdown: the dual-signature cash proof is a detective control that was bypassed for at least 11 days, and the write-offs were approved by the same person who prepared the proof. This is a design-and-operating deficiency, not a one-off error. Secondary issue: the sundry write-off account lacks a threshold review, so small differences can accumulate undetected.
Severity: likely a high or significant finding because the control protects cash, the most liquid asset, and because the pattern is recurring and directionally increasing (from $2,100 to $9,800, a 367% increase). However, before rating, gather: (1) the full list of days with single signatures, not just the sample; (2) the leave records and any delegation-of-authority memo naming an alternate reviewer; (3) the general ledger detail for the sundry account, showing who posted each write-off; (4) whether any of the 11 days involved a teller who was also the preparer; and (5) the regional director's written or email instruction. The auditor should also test whether the differences were truly immaterial or whether they masked a larger shortage, by reconciling the physical cash count to the system balance on a surprise basis. A finding should state condition, criteria, cause, effect, and recommendation, and should avoid attributing intent.
2. The branch manager argues the amounts were immaterial. How should the auditor respond, and what recommendation follows?
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The auditor should separate financial materiality from control significance. A $50 difference is immaterial to the financial statements, but the control failure is not: an aggregation of small, unreviewed write-offs is a classic fraud concealment pattern because it stays below review thresholds. The correct framing is that the control objective - independent verification of cash - was not achieved, and the dollar amount does not cure the absence of review.
The auditor should quantify the exposure: total write-offs in the period, the trend, and the maximum single difference. Then compare against the bank's own policy threshold for write-off approval and against the audit committee's definition of significant deficiency. The recommendation should include: (1) designate and document an alternate approver with authority before leave begins; (2) require the branch manager's review of any write-off above a defined threshold, with a monthly trend report to the regional director; (3) add a system control that blocks end-of-day close without two credentialed sign-offs; and (4) perform a look-back on the prior four quarters. The auditor should also note the regional director's instruction as a tone-at-the-top issue and consider whether it warrants escalation beyond the branch.