【正文】
ods (positive, negative) ? Who? ? Large amounts ? Long age ? Disagreements with clients ? Related parties ? Frequent transactions ? Abnormal items: material misstatements or frauds ? How? ? Positive confirmation ? Negative confirmation ? When? ? Subsequent to balance sheet date ? If there is a low risk of material misstatement, auditor can confirm prior to balance sheet date, and additional substantive procedure between cutoff date of confirmation and balance sheet date. ? Controls on confirmation ? Summary and evaluation of results ? Reconsider Appropriateness of: ? prior evaluation on internal control ? results of control tests ? results of analytical procedure ? related risk assessments ? if no differences in confirmation results: reasonably infer that all accounts receivables are correct as a whole. ? if differences are found in confirmation results: ? estimate total accumulated possible misstatements and therefore accumulated misstatements in unconfirmed receivables, or ? confirm additional accounts