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What is tolerable misstatement and tolerable rate of deviation?

Intermediate

Answer

Tolerable misstatement is the maximum misstatement in a population the auditor will accept in substantive testing (usually set at or below performance materiality). Tolerable rate of deviation is the maximum rate of control failures the auditor will accept while still relying on the control. Both set the threshold against which sample results are evaluated.
Real-world example With tolerable misstatement of $75,000, a projected sample error of $30,000 is acceptable, whereas $90,000 would not be.

Common follow-ups: How does tolerable misstatement relate to materiality? | What does the tolerable deviation rate govern?