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IAS 16 Depreciation Audit Working Paper Template — free PDF
Practical audit guide covering all four depreciation methods with worked examples, component depreciation checklist, change-in-estimate documentation template, and useful life benchmarks by asset class.
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IAS 16 Depreciation in Ireland — IAS 16 (EU-endorsed) / FRS 102 Section 17
Ireland applies IAS 16 through EU endorsement for listed companies and their consolidated groups. Non-listed Irish entities typically apply FRS 102 (The Financial Reporting Standard applicable in the UK and Republic of Ireland), where Section 17 Property, Plant and Equipment provides depreciation guidance broadly consistent with IAS 16. Irish tax depreciation (capital allowances) follows the Taxes Consolidation Act 1997, with standard rates of 12.5% straight-line over 8 years for plant and machinery and 4% straight-line over 25 years for industrial buildings.
Regulatory Context — Irish Auditing and Accounting Supervisory Authority (IAASA)
The Irish Auditing and Accounting Supervisory Authority (IAASA) supervises public interest entity financial reporting and audit quality. IAASA has included PP&E in its financial statement examinations, focusing on: adequacy of useful life and residual value disclosures, application of component depreciation for material assets, consistency between depreciation policies and the entity's asset replacement patterns, and proper distinction between maintenance expenditure and capital improvements. Chartered Accountants Ireland provides technical guidance through its publications.
Practical Guidance for Ireland
Irish tax capital allowances follow a simple structure: plant and machinery at 12.5% straight-line over 8 years, industrial buildings at 4% straight-line over 25 years, motor vehicles (with CO2 thresholds), and specific accelerated allowances for energy-efficient equipment. Like other EU countries, these tax rates should not automatically determine IAS 16 useful lives. Ireland's position as a major multinational hub means many Irish entities are subsidiaries of US or other international groups — group depreciation policies should be adapted for Irish entity-specific conditions rather than applied globally without adjustment.
Audit Expectations
Irish auditors follow ISA (Ireland), which is substantively equivalent to ISA with additional Irish ethical and legal requirements. IAASA audit quality inspections have examined the audit of PP&E estimates, focusing on: whether useful lives reflect entity-specific conditions, whether component depreciation is applied where required, whether the annual review is performed and documented, and whether changes in estimates are properly accounted for under IAS 8. The relatively small size of many Irish audit teams means that PP&E procedures may receive less attention than higher-profile areas.
Ireland-Specific Considerations
Irish-specific considerations include: the Knowledge Development Box (10% tax rate) which may affect how R&D-related assets are viewed but does not change IAS 16 depreciation. The pharmaceutical and medical devices sectors dominate Irish industrial PP&E — manufacturing plants for these sectors have specialised clean room facilities, process equipment, and validation requirements that affect useful life assessments. The Irish agricultural sector (dairy, beef) has specific PP&E considerations similar to the agriculture industry guidance. Commercial property in Ireland (particularly Dublin) has seen significant value fluctuations that may create impairment indicators for owner-occupied property.
Common Inspection Findings
Tax capital allowance rates (12.5% / 8 years) used as default IAS 16 useful lives
Component depreciation not applied to pharmaceutical manufacturing plant
Annual review of useful lives and residual values not documented
Group depreciation policies applied without adaptation to Irish entity-specific conditions
Impairment indicators not assessed for commercial property with declining market values