Use the Audit Plan to record and define audits of key inputs or key outputs that are required for the control plan.
The Audit Plan answers the following questions.
  • Which audits are required to maintain project benefits?
  • What are the requirements of each audit? For example, define the scope, frequency, responsible function, criteria, and reaction plan.


  1. Determine which inputs and outputs would benefit from an audit. Consider an audit of the process output as well as the process inputs. Even if all important inputs remain in control and within tolerance limits, the process output can still move to an undesirable state.
  2. Determine the frequency of the audit. Audits may be as needed or ongoing.
  3. Determine the audit acceptance criteria based on your procedures.
  4. Document the audit.

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