IIA Three Lines Model (2020)
What is IIA Three Lines Model (2020)?
The IIA's principles-based model for organising governance roles: what the governing body, management (which carries first-line and second-line work), internal audit (the third line) and external assurance providers each contribute, how they stay independent yet aligned, and how together they create and protect value. It comprises 12 controls organised across 2 domains, and applies in International.
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