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AcadiFi
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AssuranceBuilder2026-05-20
ciaPart 2Internal AuditEthicsControl Design

Does retroactive documentation count as valid audit evidence?

Our operations team created a policy memo and approval checklist only after audit requested support. The manager now wants us to use those documents as evidence that the required control was in place during the review period. Is that acceptable?

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AcadiFi TeamVerified Expert
AcadiFi Certified Professional

Not as historical operating evidence.

Retroactive documentation may be useful in two legitimate ways:

  • it can help explain the intended future-state process
  • it can support that remediation has started

It does not prove that the control actually operated during the historical period under review unless you also have contemporaneous evidence from that period.

The clean report treatment is:

  • describe the historical deficiency based on the missing contemporaneous support
  • describe the new document as corrective action in progress
  • plan follow-up testing later to determine whether the new process is operating effectively

That approach protects report integrity without ignoring management's remediation effort.

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