- Stock counts, confirmations, site visits and interviews are the strongest evidence, must be done in person, and usually take more than half of the project effort.
- Look for stage gates: no site work until key records are in; every finding closed as confirmed, excluded or insufficient evidence, with nothing left open.
- Yidao's full internal audit runs all seven stages and delivers working papers, the audit report, draft internal controls and a remediation tracker.
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