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The auditor's responses to address specifically identified risks of material misstatement due to fraud may include changing the nature, timing, and extent of auditing procedures in the following ways:
- The nature of auditing procedures performed may need to be changed to obtain evidence that is more reliable or to obtain additional corroborative information. For example, more evidential matter may be needed from independent sources outside the entity, such as public-record information about the existence and nature of key customers, vendors, or counterparties in a major transaction. Also, physical observation or inspection of certain assets may become more important (see section 326, Evidential Matter, paragraphs .15 through .21). Furthermore, the auditor may choose to employ computer-assisted audit techniques to gather more extensive evidence about data contained in significant accounts or electronic transaction files. Finally, inquiry of additional members of management or others may be helpful in identifying issues and corroborating other evidential matter (see paragraphs .24 through .26 and paragraph .53).
- The timing of substantive tests may need to be modified. The auditor might conclude that substantive testing should be performed at or near the end of the reporting period to best address an identified risk of material misstatement due to fraud (see section 313, Substantive Tests Prior to the Balance-Sheet Date). That is, the auditor might conclude that, given the risks of intentional misstatement or manipulation, tests to extend audit conclusions from an interim date to the period-end reporting date would not be effective.
In contrast, because an intentional misstatement—for example, a misstatement involving inappropriate revenue recognition—may have been initiated in an interim period, the auditor might elect to apply substantive tests to transactions occurring earlier in or throughout the reporting period.
- The extent of the procedures applied should reflect the assessment of the risks of material misstatement due to fraud. For example, increasing sample sizes or performing analytical procedures at a more detailed level may be appropriate (see section 350, Audit Sampling, paragraph .23, and section 329). Also, computer-assisted audit techniques may enable more extensive testing of electronic transactions and account files. Such techniques can be used to select sample transactions from key electronic files, to sort transactions with specific characteristics, or to test an entire population instead of a sample.