Deferred Tax Asset and Liability: How Timing Differences Create Them

Here is a question that trips up almost every finance student: why does a profitable company show a tax charge in its accounts that is different from the tax it actually pays the government? The answer is deferred tax, and the two line items it produces — a deferred tax asset and liability — are among the most misunderstood numbers on any balance sheet. They are not cash, they are not a fine, and they are not optional. They are the accounting system quietly keeping its promise that profit and tax should eventually line up. This guide explains, in plain language, how timing differences create a deferred tax asset (DTA) and a deferred tax liability (DTL), walks through a worked depreciation example you can follow with a calculator, and covers the rules for recognising them under Ind AS 12, IAS 12 and AS 22.

What deferred tax is, and why it even exists

A company keeps two sets of profit figures. The first is accounting profit — the profit in the financial statements, prepared under accounting standards. The second is taxable profit — the profit the Income Tax Act says you must pay tax on. These two almost never match, because the tax law and the accounting standards measure income and expenses on different timetables.

Take a simple case. Accounting standards may let you spread an asset's cost evenly over its life, while the tax law lets you deduct more of that cost in the early years. In any single year the two depreciation figures differ, so the two profit figures differ, so the tax calculated on each differs too.

Deferred tax is the bridge that reconciles the tax you report with the tax you will actually pay over time. Without it, a company that pays low tax this year because of an early deduction would look far more profitable after tax than it really is — and then look worse in later years when the benefit reverses. Deferred tax smooths this out so the after-tax profit reflects economic reality. If this is the kind of foundation you want built properly rather than pieced together from scattered videos, a structured ACCA Knowledge Level course covers it the way examiners actually test it.

Timing differences vs temporary differences: the source of deferred tax

Deferred tax is born from one idea: some differences between accounting and tax are temporary. They will reverse in a future period. A temporary difference that saves you tax today will cost you tax tomorrow, and vice versa. The accounting standards give this idea two slightly different names, and the distinction matters in India because two standards are in use.

Timing differences — the AS 22 view

AS 22, Accounting for Taxes on Income, uses an income-statement approach. It looks at the difference between taxable income and accounting income for the year, and identifies the part of that difference that will reverse later. These reversible items are called timing differences. Depreciation is the classic example: accounting depreciation and tax depreciation differ each year but, over the asset's full life, both write off the same total cost, so the gap reverses to zero.

Temporary differences — the Ind AS 12 / IAS 12 view

Ind AS 12 and its global parent IAS 12 use a balance-sheet approach instead. They compare the carrying amount of an asset or liability in the accounts with its tax base — the amount the tax authority recognises. Any gap is a temporary difference. This is a broader idea: every timing difference is also a temporary difference, but a temporary difference can arise from items that never pass through profit or loss at all, such as the revaluation of a fixed asset. The IASB moved to this approach in 1996 precisely to capture those extra cases.

For a routine set of accounts the two standards usually arrive at almost the same deferred tax figure. The method differs more than the number. It is the same instinct behind the matching principle in accrual accounting: expenses and the tax benefit of those expenses should land in the same period as the income they relate to.

DTA vs DTL: a worked depreciation example

Numbers make this concrete. The figures below are illustrative teaching numbers, not a real company, and they use a clean 25% tax rate to keep the arithmetic readable. India's concessional corporate tax regime under Section 115BAA sits at a base of 22%, which works out to roughly 25.17% after surcharge and cess — so 25% is close to a real effective rate.

Suppose a company buys a machine for ₹10,00,000. For its accounts it uses the straight-line method over five years, giving ₹2,00,000 of depreciation a year. For tax, it is allowed a faster written-down-value deduction, giving ₹3,00,000 in year one. Walk through the first year step by step.

1. Carrying amount (books): ₹10,00,000 cost minus ₹2,00,000 accounting depreciation = ₹8,00,000.
2. Tax base: ₹10,00,000 cost minus ₹3,00,000 tax depreciation = ₹7,00,000.
3. Temporary difference: ₹8,00,000 carrying amount minus ₹7,00,000 tax base = ₹1,00,000. The asset's book value sits above its tax value.
4. Deferred tax: 25% of ₹1,00,000 = ₹25,000. Because the company has taken more depreciation for tax now, it will have less to deduct later and will pay more tax then — a future tax cost. That makes this a deferred tax liability.

Source: illustrative worked example, 2026.

The entry records the DTL by debiting the deferred tax expense in the profit and loss account and crediting the deferred tax liability on the balance sheet — standard double-entry bookkeeping, applied to tax. The mirror image produces a deferred tax asset: if the accounts had recognised an expense the tax law does not yet allow — a provision for warranty, say — the book profit would be lower than taxable profit now, tax paid would be higher now, and the company would get that benefit back later. That future saving is a deferred tax asset.

Notice what happens over the asset's life. In the later years accounting depreciation (₹2,00,000) exceeds the shrinking tax depreciation, the gap narrows, and by year five the temporary difference has reversed all the way back to zero. The deferred tax liability unwinds to nothing. That reversal is the whole point — deferred tax is temporary by definition.

DTA or DTL? A quick way to tell them apart

Once you have the temporary difference, deciding whether it is an asset or a liability comes down to one question: will this difference make you pay more tax in the future, or less? More tax later means a liability now; less tax later means an asset now. The balance-sheet view gives you a shortcut using the carrying amount and the tax base.

Source: Ind AS 12 / IAS 12 principles, 2026.

For an asset, a carrying amount above the tax base is a taxable temporary difference — a DTL, exactly like the depreciation case above. A carrying amount below the tax base is a deductible temporary difference — a DTA. For a liability, the logic flips: a provision recognised in the books but not yet deductible for tax carries a tax base lower than its carrying amount, creating a DTA. Memorise the four cases once and you will never guess again.

The recognition and measurement rules that trip people up

Working out the deferred tax figure is only half the job. The standards impose rules on whether and at what rate you put it in the accounts, and this is where exam marks and real audits are won and lost.

The single most important rule concerns the asset side. Under IAS 12 and Ind AS 12, a deferred tax asset is recognised only to the extent that it is probable that future taxable profit will be available to use it against. "Probable" is generally read as more likely than not — above 50%. A loss-making company cannot simply book a large DTA on its carried-forward losses and flatter its balance sheet; if there is no credible prospect of future profits to absorb those losses, the asset is not recognised. A deferred tax liability, by contrast, is almost always recognised in full, because prudence rarely lets you ignore a future tax cost.

• Use the right rate. Deferred tax is measured at the tax rate expected to apply when the difference reverses, based on rates enacted or substantively enacted by the reporting date — not a guessed future rate.
• Never discount it. The standards prohibit discounting deferred tax balances to present value, even when reversal is many years away.
• Reassess every year. A deferred tax asset's carrying amount is reviewed at each reporting date and written down if future profits no longer look probable — and written back if they do.
• MAT credit under Ind AS. Minimum Alternate Tax credit carried forward is treated as a deferred tax asset under Ind AS 12, a point AS 22 does not share.
• Watch items outside profit or loss. Deferred tax on a revaluation surplus is taken to other comprehensive income, not the profit and loss account, so it follows the item that created it.

These rules are also why deferred tax features so heavily in professional exams. It tests whether a candidate understands the difference between cash tax and reported tax — the same judgement that underpins reading a company's effective tax rate, a skill we touch on in our guide to GST accounting and input tax credit entries.

Where deferred tax fits in your finance learning path

Deferred tax looks intimidating because it sits at the junction of three things at once: the accounting standards, the tax law, and double-entry mechanics. Master any one in isolation and deferred tax still feels slippery. Study them together — which is how a structured curriculum sequences them — and the deferred tax asset and liability stop being mysterious line items and become a logical consequence of two profit figures that reconcile over time.

If you are preparing for ACCA, a B.Com, or a CA paper, treat deferred tax as a core topic, not a footnote. Build the depreciation example from scratch until you can produce the ₹25,000 figure without notes, then layer on the recognition and rate rules. NIFM has taught financial markets and accounting for 14 years to more than 50,000 learners, in Hindi and English, and deferred tax is one of the concepts students most often tell us finally clicked when they saw it worked rather than defined.

Frequently Asked Questions

What is the difference between a deferred tax asset and a deferred tax liability?

A deferred tax asset is a future tax saving — it arises when you pay more tax now than your accounting profit suggests, and expect to recover the benefit later. A deferred tax liability is a future tax cost — it arises when you pay less tax now and will pay more later. Both come from temporary differences that reverse over time.

How are timing differences and temporary differences different?

Timing differences (AS 22) are measured on the income statement, as the reversible gap between taxable and accounting income. Temporary differences (Ind AS 12 and IAS 12) are measured on the balance sheet, as the gap between an asset or liability's carrying amount and its tax base. Every timing difference is a temporary difference, but temporary differences also capture items like revaluations that never touch profit or loss.

How do you calculate deferred tax on depreciation?

Find the asset's carrying amount in the books and its tax base after tax depreciation. The gap between them is the temporary difference. Multiply it by the applicable tax rate. In the example above, an ₹8,00,000 carrying amount against a ₹7,00,000 tax base gives a ₹1,00,000 difference, which at 25% produces a ₹25,000 deferred tax liability.

When can a company recognise a deferred tax asset?

Only to the extent that it is probable — more likely than not — that future taxable profit will be available to use the asset against. A loss-making company with no credible prospect of future profits cannot recognise a deferred tax asset on its losses. The judgement is reassessed at every reporting date.

Is deferred tax the same as the tax a company actually pays?

No. The tax a company pays is the current tax, calculated on taxable profit under the Income Tax Act. Deferred tax is a non-cash accounting figure that reconciles reported tax expense with the timing of those payments. Together, current tax plus the movement in deferred tax make up the total tax charge in the profit and loss account.