Confirmation of AR – SAS #67
Not required if:
AR is immaterial
Assessed Control Risk is low
Confirmation process will be ineffective
CAATTs to use for this function?
Steps:
Select accounts to confirm
Consolidate invoices (not AR subsidiary) using CLASSIFY (filter) and SUMMARIZE (amount) [see Tables 9-3 and 9-4]
Why?
JOIN the CUSTOMER file with the new consolidated invoice file
Prepare confirmation requests [see Figure 9-12]
Positive and Negative Confirmations (ACL, EXPORT)
Evaluating and controlling responses
Retain custody of the confirmation letters until mailed
The letters should be addressed to the auditor, not client org.
The replies should be mailed to the auditor, not client org.
Discrepancies should be investigated.
Non responses to POSITIVE confirmation should be investigated