The formulas
- Gross DTA = (deductible differences + loss carryforwards) x rate + credit carryforwards
- DTL = taxable differences x rate
- Net = gross DTA - valuation allowance - DTL
- Deferred tax expense = opening net - closing net
How it works
ASC 740 measures deferred taxes at the enacted rate expected to apply when the differences reverse. A valuation allowance reduces deferred tax assets to the amount more likely than not to be realized.
ASU 2015-17 requires all deferred tax assets and liabilities to be classified as noncurrent. Within a tax-paying component and jurisdiction they are offset and shown as one amount.
Illustrative figures only. Check the result against your firm's methodology before relying on it.
Common questions
Can I net across jurisdictions?
No. Offset is within a tax-paying component of an entity and within a particular jurisdiction.
Does the expense figure always hit income?
Not if part of the change relates to OCI items or business combinations. Exclude those amounts.
What rate if rates step down?
Schedule the reversals by year and apply the enacted rate for each reversal year when the rates differ.
Sources
- FASB Statement No. 109, Accounting for Income Taxes (now ASC 740)
- FASB Accounting Standards Update No. 2015-17, Balance Sheet Classification of Deferred Taxes (Topic 740)
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