in Feb 2008 IAASB issued a revised and redrafted ISA 540 Auditing accounting estimates, including fair value accounting estimates and related disclosures.
Requirements of ISA 540:
The auditor shall obtain an understanding of the following as part of the process of understanding the business: – The requirements of the applicable financial reporting framework. – The means by which the management identifies transaction, events and conditions that may give rise to the accounting estimates. – How management makes….
for further details refer P7 Int BPP book page number 223.