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Officer Due Diligence Gap Audit (WHS s27)

Self-audit your WHS officer due diligence against the six limbs of section 27(5) of the model Work Health and Safety Act. Rate the evidence you could show in each area to build a due-diligence scorecard, see your priority gaps, and learn what good evidence looks like.

Last verified: 21 June 2026Jump to calculator ↓

Officer due diligence is a personal duty under s27 of the model WHS Act, owed regardless of whether the PCBU complies with its own duties. This self-audit rates the evidence you could show against the six limbs of s27(5) — knowledge; understanding the operations and risks; resources and processes; receiving and responding to information; compliance processes; and verification — to show your evidence and your gaps. It is distinct from a risk score: it asks whether you could prove you took reasonable steps.

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General information and estimates only — not legal, financial or tax advice. Always check your specific award, agreement or contract, or a qualified professional, before you rely on the result.