Audit Evidence & Procedures Interview Questions & Answers

Q: What is a management representation letter and what is its purpose?

It's a written statement from management confirming responsibilities and specific assertions (e.g., that all information was provided, liabilities are complete, and estimates are reasonable), dated the same as the auditor's report. It's necessary audit evidence but complements, not substitutes for, other evidence—the auditor can't rely on it alone for matters that should be corroborated.

Q: How do you audit inventory existence and valuation?

For existence, attend the physical count, observe count procedures, perform test counts (both directions), and reconcile to records. For valuation, test costing (cost vs net realizable value, lower of the two), check for obsolete/slow-moving items, and verify cost build-up. Cutoff testing ensures goods are in the right period.

Q: What is cutoff testing and why is it important?

Cutoff testing checks that transactions are recorded in the correct accounting period—especially around the year-end for revenue, purchases, and inventory. It addresses the cutoff assertion; errors can shift income or expenses between periods, misstating results. Auditors examine documents (shipping, invoices) just before and after period-end.

Q: How does the auditor use computer-assisted audit techniques (CAATs) / data analytics?

CAATs and data analytics let the auditor test entire populations rather than samples—recomputing figures, matching records (e.g., three-way matching), identifying duplicates or gaps, testing all journal entries for anomalies, and analyzing trends. They improve coverage and can pinpoint outliers/high-risk items for focused testing, especially useful for large data volumes and fraud risk.

Q: Why is inquiry alone usually insufficient audit evidence?

Inquiry (asking management or staff) provides useful information but comes from a potentially biased source and isn't corroborated, so it's generally not sufficient on its own. Auditors corroborate inquiry responses with other evidence—inspection, confirmation, recalculation—especially for significant matters, applying professional skepticism.

Q: What is reperformance and how does it differ from recalculation?

Recalculation is checking the mathematical accuracy of documents or records (e.g., re-adding an invoice). Reperformance is the auditor independently executing procedures or controls that were originally performed as part of the entity's internal control (e.g., redoing a bank reconciliation or a control check) to verify they work. Reperformance tests control operation; recalculation tests arithmetic.

Q: How do you audit revenue given its risk?

Because revenue is a presumed fraud risk, procedures include: understanding recognition policy vs the framework (e.g., IFRS 15 performance obligations), testing occurrence (vouch to contracts/shipping), completeness (trace deliveries to invoices), cutoff around period-end, analytical review of margins/trends, confirming receivables, and scrutinizing unusual manual revenue journals and credit notes after year-end.

Q: What is directional testing?

Directional testing chooses the direction of a test based on the assertion and the risk of over- or understatement. Assets and income are usually tested for overstatement (vouch from records to support—existence/occurrence); liabilities and expenses for understatement (trace from source to records, and search for unrecorded items—completeness). It targets the more likely error direction efficiently.

What is a management representation letter and what is its purpose?

Intermediate

It's a written statement from management confirming responsibilities and specific assertions (e.g., that all information was provided, liabilities are complete, and estimates are reasonable), dated the same as the auditor's report. It's necessary audit evidence but complements, not substitutes for, other evidence—the auditor can't rely on it alone for matters that should be corroborated.

Real-world example Before signing, the auditor obtains a signed representation letter confirming completeness of liabilities and disclosure of related parties.

Common follow-ups: Can representations replace other evidence? | When is the letter dated?

ISA Standards Audit Report & Opinions Audit Evidence & Procedures

How do you audit inventory existence and valuation?

Advanced

For existence, attend the physical count, observe count procedures, perform test counts (both directions), and reconcile to records. For valuation, test costing (cost vs net realizable value, lower of the two), check for obsolete/slow-moving items, and verify cost build-up. Cutoff testing ensures goods are in the right period.

Real-world example At the year-end stocktake the auditor test-counts items and later reviews aged stock for obsolescence write-downs.

Common follow-ups: What assertions does attending the count address? | How do you test NRV?

Audit Risk & Materiality Audit Sampling Audit Evidence & Procedures

What is cutoff testing and why is it important?

Intermediate

Cutoff testing checks that transactions are recorded in the correct accounting period—especially around the year-end for revenue, purchases, and inventory. It addresses the cutoff assertion; errors can shift income or expenses between periods, misstating results. Auditors examine documents (shipping, invoices) just before and after period-end.

Real-world example The auditor examines the last few shipments before year-end to ensure sales are recorded in the correct period.

Common follow-ups: Which assertion does cutoff address? | Why focus on transactions near period-end?

Audit Objectives & Types Analytical Procedures Audit Evidence & Procedures

How does the auditor use computer-assisted audit techniques (CAATs) / data analytics?

Advanced

CAATs and data analytics let the auditor test entire populations rather than samples—recomputing figures, matching records (e.g., three-way matching), identifying duplicates or gaps, testing all journal entries for anomalies, and analyzing trends. They improve coverage and can pinpoint outliers/high-risk items for focused testing, especially useful for large data volumes and fraud risk.

Real-world example The team runs analytics on 100% of journal entries to flag unusual round-number or after-hours postings for review.

Common follow-ups: What advantage does full-population testing give? | How do analytics help detect fraud?

Analytical Procedures Fraud & Error Responsibilities Audit Evidence & Procedures

Why is inquiry alone usually insufficient audit evidence?

Beginner

Inquiry (asking management or staff) provides useful information but comes from a potentially biased source and isn't corroborated, so it's generally not sufficient on its own. Auditors corroborate inquiry responses with other evidence—inspection, confirmation, recalculation—especially for significant matters, applying professional skepticism.

Real-world example Management's explanation for a revenue spike is corroborated with contracts and shipping records, not accepted on its word.

Common follow-ups: Why corroborate inquiry? | When is inquiry appropriately combined with other procedures?

ISA Standards Analytical Procedures Audit Evidence & Procedures

What is reperformance and how does it differ from recalculation?

Intermediate

Recalculation is checking the mathematical accuracy of documents or records (e.g., re-adding an invoice). Reperformance is the auditor independently executing procedures or controls that were originally performed as part of the entity's internal control (e.g., redoing a bank reconciliation or a control check) to verify they work. Reperformance tests control operation; recalculation tests arithmetic.

Real-world example The auditor reperforms a three-way match on selected purchases to confirm the control functions as intended.

Common follow-ups: Does reperformance test controls or arithmetic? | Give an example of each.

Internal Controls Evaluation Audit Sampling Audit Evidence & Procedures

How do you audit revenue given its risk?

Advanced

Because revenue is a presumed fraud risk, procedures include: understanding recognition policy vs the framework (e.g., IFRS 15 performance obligations), testing occurrence (vouch to contracts/shipping), completeness (trace deliveries to invoices), cutoff around period-end, analytical review of margins/trends, confirming receivables, and scrutinizing unusual manual revenue journals and credit notes after year-end.

Real-world example The auditor examines late-year contracts and post-year-end credit notes to detect premature or fictitious revenue.

Common follow-ups: Why is revenue a presumed fraud risk? | How does cutoff testing apply to revenue?

Fraud & Error Responsibilities Audit Risk & Materiality Audit Evidence & Procedures

What is directional testing?

Intermediate

Directional testing chooses the direction of a test based on the assertion and the risk of over- or understatement. Assets and income are usually tested for overstatement (vouch from records to support—existence/occurrence); liabilities and expenses for understatement (trace from source to records, and search for unrecorded items—completeness). It targets the more likely error direction efficiently.

Real-world example The auditor searches for unrecorded liabilities (understatement risk) while vouching assets for overstatement.

Common follow-ups: Why test assets for overstatement? | How does directional testing improve efficiency?

Audit Objectives & Types Audit Sampling Audit Evidence & Procedures