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ISA 540 (Revised) implementation: Illustrative examples for auditing simple and complex accounting estimates

  • IAASB - Assurance Image

May 29, 2020

On May 29, 2020, the International Auditing and Assurance Standards Board's (IAASB) International Standard on Auditing (ISA) 540 (Revised) Implementation Working Group has prepared illustrative examples for auditing simple and complex accounting estimates.

The examples are designed to illustrate how an auditor could address certain requirements of ISA 540 (Revised), and have been developed to assist the auditor in understanding how ISA 540 (Revised) may be applied to:

  •  Simple Accounting Estimate – Provision on Inventory Impairment
  • Complex Accounting Estimate – Provision on Property, Plant and Equipment Impairment

The examples illustrate accounting estimates with varying characteristics and degrees of complexity. Each example illustrates a selection of requirements from ISA 540 (Revised). Not all requirements are addressed in each example, nor do they cover all parts of those requirements that have been selected. The requirements selected across each example vary to illustrate different aspects of ISA 540 (Revised) and to focus on those requirements that are most relevant to the example.

These examples are intended to be read together with ISA 540 (Revised). This will demonstrate how an auditor’s work effort, to comply with the requirements of ISA 540 (Revised), may be scaled down and scaled up when auditing simple and complex accounting estimates.

Review the press release and examples on the IAASB's website.

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