Step-by-Step ISO Internal Audit Checklist (Free Template)
An internal audit is your last line of defence before the certification body arrives. This checklist covers every step from programme planning to CAPA closure.
The Internal Audit Checklist
- Define audit programme (scope, schedule, objectives, criteria)
- Select and brief audit team
- Review documentation and previous audit findings
- Prepare audit plan and checklist for each process area
- Conduct opening meeting
- Execute audit (interviews, observations, sampling, evidence)
- Classify findings (Major NC, Minor NC, Observation, OFI)
- Conduct closing meeting and present findings
- Issue formal audit report
- Track corrective actions (root cause, CAPA, deadlines)
- Verify CAPA effectiveness and close findings
- Report results to management review
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