Section 89(1) relief on salary arrears.
Section 89(1) relief
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Extra tax if taxed now
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Extra tax if spread back
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Your breakdown
Updates live as you type| Step | Tax (incl. cess) |
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Why a pay arrear can leave you overtaxed
India taxes salary on a receipt basis, which creates an unfair quirk. When a promotion, a court order, a pay commission revision, or a delayed settlement dumps two or three years of arrears into a single year, the whole lump gets taxed in the year you receive it. Because our slabs are progressive, that bunching can shove income that genuinely belonged to earlier, lower-taxed years into your top bracket today. You end up paying more tax than you would have if each rupee had been taxed in the year it was actually earned. Section 89(1) of the Income Tax Act exists precisely to undo this distortion. It does not exempt the arrears; it recalculates your tax as though the arrears had been spread back to the years they relate to, and refunds the excess. This calculator estimates that relief using the current new-regime slabs plus 4% health and education cess.
The two-year recomputation, step by step
The relief is a difference of differences. First the tool measures the extra tax the arrears cause this year: tax on your current income including the arrears, minus tax on your current income alone. Then it measures the extra tax those same arrears would have triggered in the earlier year they belong to: tax on that prior year’s income plus the arrears, minus tax on the prior year’s income alone. The relief is the first figure minus the second. If your marginal rate this year is higher than it was back then, the relief is positive and worth claiming. If your income was already high in both years and the arrears land in the same bracket either way, the relief can be zero, which the calculator will tell you honestly.
Worked example: ₹3 lakh of arrears on a ₹14 lakh salary
Suppose your current-year income excluding arrears is ₹14 lakh, you receive ₹3 lakh of arrears that relate to a year when your income was ₹7 lakh. Here is how the relief builds up, tax figures inclusive of 4% cess.
Spreading the arrears back halves their tax cost, from ₹52,000 to ₹26,000, so you reclaim ₹26,000. The bars below put the two extra-tax figures next to each other.
Form 10E is not optional
Here is the trap that catches thousands of taxpayers every year. You must file Form 10E on the income tax portal before you file your return, otherwise the relief is disallowed and the department sends a notice withdrawing it. The form is a simple online declaration with annexures for the years the arrears relate to, and it has to be submitted for the assessment year in which you received the arrears. File the return claiming the 89(1) relief but skip Form 10E, and the relief silently vanishes from your assessment. So the order matters: log in, submit Form 10E, note the acknowledgement, then file the return. The relief covers more than just salary arrears too. It extends to advance salary, family pension arrears, gratuity in certain cases, and commuted pension, each with its own computation rule.
Does Section 89(1) work under the new tax regime?
Yes, the relief applies under both regimes. You compute the tax in each year using the regime that applied to you in that year. This tool uses the current new-regime slabs for the estimate, which is appropriate for most salaried taxpayers now, since the new regime is the default.
What if the relief comes out as zero?
That simply means the arrears do not push you into a higher effective bracket than the earlier year, so there is no distortion to correct. It is common when your income was already in the top slab in both years. There is nothing to file and nothing lost; the arrears are just taxed normally.