What are the three tools used to document our understanding of internal controls and their design
effectiveness?
Describe what the auditor does to evaluate the design effectiveness of internal controls. 4
Define the three levels of absence of controls, as per CAS 265. How do the concepts of likelihood and
significance impact this concept?
the 3 levels are
likelihood - probability that a misstatement will occur and not be detected or corrected
significance - potential magnitude of the misstatement that could result if the control fails
minor weakness, likelihood and significance level and type of defeciency
low likelihood and low significance, control deficiency
more serious weakeness likelihood and significance level and type of defeciency
moderate likelihood and significance, significant defeciency
what happens when there is high likelihood and high significance
material weakness
definition of control defeciency, reporting requirement for it
exists when the design or operation of a control does not allow management or employees to prevent, or detect and correct misstatements on a timely basis,
usually communicated to management only
significant defeciency definition and reporting requirement
control deficiency that is important enough to merit attention by those charged with governance (e.g audit committee)
reported to those charged with governance
Definition of material weakness, who should it be reported to
significant defeciency that results in a reasonable possibility that material misstatement in the financial statements will not be prevented or detected in a timely manner
must be reported to both management and the board/ audit committee
What is the combined audit approach?
combined audit approach: auditor plans to rely on internal controls to reduce substantive testing
The auditor performs both tests of controls and substantive procedures
What is the substantive audit approach?
Substantive audit: when the auditor does not rely on controls and instead obtains audit assurance entirely from substantive procedures
tests of details
substantive analytical procedures
In what circumstances would
the auditor choose to assess control risk as high and use a substantive approach? 5
controls are weak, nonexistent or poorly designed
control deficiencies are identified that cannot be mitigated
management lacks integrity or entity is not auditable
control testing would not be effecient (cost>benefit)
entity is small or owner managed
Describe how key controls are tested.
key contorls are those that have the greatest impact on preventing or detecting material misstatements
What methods of testing are used (key controls)?
inquiry
inspection
observation
reperformance
test data approach
test data approach decription and prupose
for IT systems
input dummy data into client system to see whether the program properly processes it
purpose: validates automated control logic