ASC 740
Active
Income Taxes
Governs income taxes using the asset/liability method, including deferred tax assets/liabilities, valuation allowances, and uncertain tax positions.
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Conceptual Framework Linkage
Matching tax effects with their economic events
ASC 740 applies the asset/liability method to income taxes, recognising deferred tax assets and liabilities for temporary differences between the tax basis and the accounting basis of assets and liabilities. This matches the economics of the transaction: the tax consequences of an economic event are recognised in the same period as the event itself, rather than when the taxes are paid or refunded.
Broadly converged with IAS 12, with US-specific UTP rules
ASC 740 and IAS 12 both use the asset/liability method for deferred taxes and the liability method for uncertain tax positions. The MORE-LIKELY-THAN-NOT threshold for recognising uncertain tax positions under ASC 740 is functionally similar to IAS 12's recognition criteria, though ASC 740's specific measurement and disclosure requirements for uncertain tax positions are more detailed than IAS 12's equivalent.
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Scope & Applicability
All domestic and foreign income taxes
ASC 740 applies to all domestic and foreign income taxes, including federal, state, local, and foreign income taxes. It does NOT apply to other taxes such as sales tax, property tax, or payroll tax. The scope exclusion is narrow: only income taxes fall under ASC 740, defined as taxes based on taxable income – not taxes based on gross receipts or other non-income measures.
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Temporary Differences – the Asset/Liability Method
Differences that reverse over time
TEMPORARY DIFFERENCES are differences between the TAX BASIS of an asset or liability and its REPORTED amount in the financial statements that will result in taxable or deductible amounts in future years when the asset or liability is recovered or settled. A taxable temporary difference creates a deferred tax LIABILITY; a deductible temporary difference creates a deferred tax ASSET. The asset/liability method ensures that these future tax consequences are recognised today.
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Deferred Tax Assets and Liabilities
Measured using the enacted tax rate
Deferred tax assets and liabilities are measured using the ENACTED tax rate expected to apply in the period when the asset is realised or the liability is settled. Tax rates that are merely proposed or pending are NOT used; only laws that have been enacted into law by the balance sheet date are considered in the measurement.
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Valuation Allowance – the More-Likely-Than-Not Test
A reserve against deferred tax assets
A VALUATION ALLOWANCE is recognised against deferred tax assets when it is MORE-LIKELY-THAN-NOT (greater than 50% probability) that some portion or all of the deferred tax asset will NOT be realised. This assessment considers all available positive and negative evidence, including the cumulative loss history, the nature of the temporary differences, and the availability of tax-planning strategies that could generate taxable income in future periods.
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Current vs Deferred Tax Expense
The two components of income tax expense
INCOME TAX EXPENSE has two components: (1) CURRENT TAX EXPENSE – the amount of taxes payable or refundable for the current year based on taxable income; and (2) DEFERRED TAX EXPENSE (or benefit) – the change in deferred tax assets and liabilities during the year. Current tax expense is based on the tax return; deferred tax expense is based on changes in temporary differences and enacted tax rate changes.
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Uncertain Tax Positions – the Threshold for Recognition
More-likely-than-not recognition under FIN 48
Uncertain tax positions are evaluated under the MORE-LIKELY-THAN-NOT threshold: a tax position must have a greater than 50% likelihood of being sustained upon examination by the relevant tax authority to be recognised in the financial statements. Positions that do NOT meet this threshold are recognised as a tax benefit only when the position is settled with the tax authority or the statute of limitations expires.
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Intraperiod Allocation
How tax effects are allocated within the period
Current and deferred tax effects are allocated between continuing operations, discontinued operations, other comprehensive income, and equity. The general rule is that tax effects of items recognised in continuing operations are allocated to continuing operations. A change in judgement about the realizability of a deferred tax asset is generally allocated to continuing operations unless it relates to a prior-period item within the scope of a different category.
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Worked Example – Deferred Tax Asset Calculation
Warranty reserve creates a deductible temporary difference
Example: Warranty reserve and deferred taxes
An entity records $500,000 warranty expense for financial reporting purposes but can only deduct $200,000 for tax purposes in the current year. Enacted tax rate is 21%.
Deductible temporary difference = $500,000 − $200,000 = $300,000. Deferred tax asset = $300,000 × 21% = $63,000. This deferred tax asset will reverse when the remaining $300,000 warranty costs are deducted for tax purposes in future years.
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Worked Example – Valuation Allowance Assessment
Assessing realizability of deferred tax assets
Example: Evaluating a net operating loss carryforward
An entity has $4,000,000 of deferred tax assets from NOL carryforwards. Cumulative losses total $6,000,000 over the past three years. No tax planning strategies are available. Weighted-average tax rate is 21%.
The $6,000,000 cumulative loss history is STRONG NEGATIVE EVIDENCE, while the $4,000,000 deferred tax asset represents a deferred tax asset of $840,000 ($4,000,000 × 21%). The entity must recognise a FULL or partial VALUATION ALLOWANCE because it is more-likely-than-not that the NOLs will not be fully realised given the loss history.
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Disclosure Requirements
What ASC 740 requires
Components of deferred tax assets and liabilities by type of temporary differenceValuation allowance activity, including additions and reductionsUnrecognised tax benefits and the nature of examination riskEffective tax rate reconciliationTax years subject to examination
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Critical Judgments & Estimates
Where judgement matters most
SIGNIFICANT JUDGEMENTS
Whether a tax position meets the more-likely-than-not recognition thresholdWhether sufficient positive evidence exists to reduce or eliminate a valuation allowanceTax-planning strategies available to realise deferred tax assets
SIGNIFICANT ESTIMATES
Future taxable income and timing of temporary difference reversalsAppropriate tax rate for deferred tax measurementProbability of sustaining uncertain tax positions upon examination
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ASC 740 vs IAS 12 – Comprehensive Comparison
Comparison – ASC 740 vs IAS 12
FeatureUS GAAP (ASC 740)IFRS (IAS 12)
Measurement methodAsset/liability method with enacted tax ratesSubstantially identical asset/liability method
Deferred tax recognitionAll temporary differences except goodwillSame general principle
Uncertain tax positionsMore-likely-than-not threshold with detailed measurementProbable threshold with similar outcome
Goodwill deferred taxesExcluded from deferred tax recognitionAlso excluded in most business combination cases
IAS 12 and ASC 740 are broadly converged. The most notable differences relate to uncertain tax position measurement and the specific disclosure requirements around tax rate reconciliations.
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Statement Mapping
Where every ASC 740 event lands
EventStatement(s) affectedNotes
Current income tax expenseBS ISCurrent tax liability on BS; expense in P&L
Deferred tax expense/benefitBS ISChange in deferred tax assets/liabilities
Valuation allowance releaseBS ISReduces deferred tax asset; recognised as tax benefit
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Related Topics
Cross-reference map
TopicConnection
ASC 450Contingencies – uncertain tax positions are contingent liabilities
ASC 805Business Combinations – accounting for income taxes in a business combination
IAS 12Income Taxes – IFRS counterpart
Financial statement key
BS Balance sheet
IS Income statement
SE Statement of changes in equity
OCI Other comprehensive income
SCF Statement of cash flows