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What does ISA 330 address?

Intermediate

Answer

ISA 330 deals with the auditor's responses to assessed risks—designing and performing further audit procedures (tests of controls and substantive procedures) whose nature, timing, and extent respond to the risks identified under ISA 315. Higher assessed risk demands more persuasive evidence and more extensive procedures.
Real-world example Having flagged revenue as a significant risk, the auditor designs targeted substantive tests under ISA 330 to respond to it.

Common follow-ups: What are the three dimensions of a response (nature, timing, extent)? | When are tests of controls required?