Auditing and Assurance Standards and Guidance

Auditing Standards (Ireland)

FRC ISAs (UK and Ireland) applicable for periods beginning on or after 15 December 2010 but before 17 June 2016

ISA (UK and Ireland) 540 Auditing, accounting estimates, including fair value accounting estimates, and related disclosures

Application and Other Explanatory Material
Disclosures Related to Accounting Estimates
Disclosures in Accordance with the Applicable Financial Reporting Framework (Ref: Para. 19 )
A120.The presentation of financial statements in accordance with the applicable financial reporting framework includes adequate disclosure of material matters. The applicable financial reporting framework may permit, or prescribe, disclosures related to accounting estimates, and some entities may disclose voluntarily additional information in the notes to the financial statements. These disclosures may include, for example:
 dotbulletThe assumptions used.
 dotbulletThe method of estimation used, including any applicable model.
 dotbulletThe basis for the selection of the method of estimation.
 dotbulletThe effect of any changes to the method of estimation from the prior period.
 dotbulletThe sources and implications of estimation uncertainty.
 Such disclosures are relevant to users in understanding the accounting estimates recognized or disclosed in the financial statements, and sufficient appropriate audit evidence needs to be obtained about whether the disclosures are in accordance with the requirements of the applicable financial reporting framework.
A121.In some cases, the applicable financial reporting framework may require specific disclosures regarding uncertainties. For example, some financial reporting frameworks prescribe:
 dotbulletThe disclosure of key assumptions and other sources of estimation uncertainty that have a significant risk of causing a material adjustment to the carrying amounts of assets and liabilities. Such requirements may be described using terms such as "Key Sources of Estimation Uncertainty" or "Critical Accounting Estimates."
 dotbulletThe disclosure of the range of possible outcomes, and the assumptions used in determining the range.
 dotbulletThe disclosure of information regarding the significance of fair value accounting estimates to the entity's financial position and performance.
 dotbulletQualitative disclosures such as the exposures to risk and how they arise, the entity's objectives, policies and procedures for managing the risk and the methods used to measure the risk and any changes from the previous period of these qualitative concepts.
 dotbulletQuantitative disclosures such as the extent to which the entity is exposed to risk, based on information provided internally to the entity's key management personnel, including credit risk, liquidity risk and market risk.
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