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Auditing & Assurance › Internal Controls Evaluation

How does the auditor obtain an understanding of internal control?

Intermediate

Answer

The auditor gains understanding through inquiry of personnel, observation of controls in operation, inspection of documents and reports, and walkthroughs (tracing a transaction from initiation through the system to the financial statements). This identifies the controls relevant to the audit and whether they're designed effectively and implemented.
Real-world example A walkthrough of one sales order from entry to cash receipt confirms how the controls are designed and operate.

Common follow-ups: What is a walkthrough? | What does understanding controls achieve?