To record a deferred tax liability journal entry, debit Income Tax Expense for the total tax on book income, credit Income Tax Payable for the amount actually owed on this year’s tax return, and credit Deferred Tax Liability for the difference. The debit captures the full economic tax cost of the period’s earnings, the first credit reflects the cash going to the IRS, and the second credit parks the timing gap on the balance sheet until it reverses in a later year.
The Entry Worked Through With Numbers
Assume your company has $1,000,000 of pre-tax book income and $600,000 of taxable income for the year. Taxable income is lower because the tax return claimed $400,000 of bonus depreciation that the books are spreading out over five years.
Tax on book income at the 21 percent federal corporate rate under IRC Section 11(b) is $210,000.1Office of the Law Revision Counsel. 26 USC 11 – Tax Imposed Tax on taxable income at the same rate is $126,000. The $84,000 gap is the deferred tax liability.
The entry:
- Debit Income Tax Expense $210,000
- Credit Income Tax Payable $126,000
- Credit Deferred Tax Liability $84,000
The income statement now shows the full $210,000 tax cost tied to this year’s book profits. The balance sheet shows $126,000 payable to the IRS in the short term and $84,000 in deferred tax liability that will come due as the timing difference unwinds.
Some companies split the debit into two lines in the general ledger — Income Tax Expense–Current for $126,000 and Income Tax Expense–Deferred for $84,000 — to make the footnote disclosures easier to build. The totals and the balance sheet impact are identical either way.
How to Size the Deferred Portion
The deferred piece of the entry comes from two numbers: the carrying amount of the item on the books, and its tax base on the return. Subtract the tax base from the carrying amount. If the result is positive for an asset, you have a taxable temporary difference, and multiplying it by the enacted tax rate gives you the deferred tax liability.
Take equipment purchased for $500,000. Straight-line book depreciation over five years leaves a $400,000 carrying amount after year one. On the tax return, 100-percent bonus depreciation under IRC Section 168 wiped out the entire cost in year one, so the tax base is zero.2Office of the Law Revision Counsel. 26 U.S. Code 168 – Accelerated Cost Recovery System The $400,000 temporary difference multiplied by 21 percent is $84,000 — the number that goes on the credit side of the entry.
Use the rate that’s enacted as of the balance sheet date. Don’t use a rate Congress is debating but hasn’t passed. If you operate in a state with a corporate income tax, run a separate state calculation using the state rate and record a separate state-level deferred tax liability.
Bonus depreciation matters more now than it did a year ago. Congress restored 100-percent bonus depreciation for qualified property acquired after January 19, 2025, meaning eligible equipment can be fully written off for tax purposes in year one while the books still depreciate over the asset’s useful life.3Internal Revenue Service. Interim Guidance on Additional First Year Depreciation Deduction The result is a larger first-year temporary difference and a larger deferred tax liability at initial recognition.
Depreciation is the most common trigger, but not the only one. Installment sales generate a deferred tax liability when the full gain is recognized on the income statement at the time of sale while tax on that gain waits for cash collection. Prepaid expenses do the same when the tax return deducts them immediately and the books amortize them over time.
What Doesn’t Belong in the Entry
Only temporary differences generate a deferred tax liability. Permanent differences never reverse, so they never create a future tax obligation. Booking a deferred tax liability for a permanent difference creates a balance that will sit on the books forever without ever coming due.
Common permanent differences include:
- Municipal bond interest, which the books record as revenue but IRC Section 103 permanently excludes from federal gross income.4Office of the Law Revision Counsel. 26 USC 103 – Interest on State and Local Bonds
- Fines and penalties paid to a government entity for a violation of law, which reduce book income but are disallowed as a tax deduction under IRC Section 162(f).5Office of the Law Revision Counsel. 26 U.S. Code 162 – Trade or Business Expenses
- Entertainment expenses, which reduce book income but are permanently nondeductible for tax purposes.
These items change the effective tax rate but never touch the deferred tax accounts.6Internal Revenue Service. Compliance of Large Business Entities
Recording the Reversal in Later Years
A deferred tax liability doesn’t stay on the balance sheet forever. Once the timing difference starts closing, you reverse it. In the equipment example, tax depreciation is exhausted after year one, but the books still record $100,000 of depreciation in each of years two through five. Taxable income is now higher than book income in those years, and the company pays more in cash tax than the income statement expense alone would predict.
The reversal entry each year is:
- Debit Deferred Tax Liability
- Credit Income Tax Expense
The debit shrinks the balance sheet obligation. The credit reduces income tax expense to reflect that the company is now paying off taxes it deferred earlier. By the end of year five, when book value and tax base both reach zero, the deferred tax liability is fully unwound. Total tax paid over the asset’s life is the same whether the company used accelerated or straight-line depreciation. The liability simply tracked when the payments landed.
Companies that buy new depreciable assets every year will see fresh deferred tax liabilities stacked on top of reversing ones. Total deferred tax liability can climb year after year even when individual assets are reversing on schedule.
When the Tax Rate Changes
Deferred tax liabilities are measured at the enacted rate expected to apply when the difference reverses. When Congress changes the corporate rate, every existing deferred tax liability is remeasured immediately, and the adjustment runs through income tax expense in the period the law is enacted.
A rate cut shrinks the liability and produces a one-time income tax benefit. A rate increase enlarges the liability and produces additional tax expense. Remeasurement happens only when a rate change is actually enacted, not when it’s proposed or expected to pass.
Where the Entry Shows Up on the Financials
Under ASC 740, the entire deferred tax liability is classified as noncurrent on a classified balance sheet, regardless of when specific components are expected to reverse. FASB moved to this single-line treatment through ASU 2015-17, which removed the previous requirement to split deferred tax balances between current and noncurrent categories.7FASB. FASB Issues Standard Reducing Complexity of Classifying Deferred Taxes
On the income statement, the total income tax expense line combines the current expense and the change in the deferred tax liability during the period. That combined figure is why a company’s effective tax rate rarely matches the statutory 21 percent exactly. Permanent differences shift the effective rate; temporary differences shift only the timing.
Recording the Entry in Interim Periods
Companies that report quarterly can’t wait until year-end. ASC 740-270 requires an estimated annual effective tax rate at the end of each interim period, applied to year-to-date ordinary income. The deferred tax liability gets updated using this estimate at each interim close.
The quarterly figure is inherently less precise than the year-end number because it relies on forecasted full-year income, projected permanent differences, and estimated temporary differences. As the year progresses and forecasts get replaced by actuals, the estimated rate is revised and any catch-up flows through the current quarter. The Q1 balance is a best estimate. The audited year-end balance is the trued-up amount.