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Eligible Startup ESOP Tax Deferral: 48-Month Rule
Direct answer: ESOP tax is not erased. If the employer is an eligible start-up referred to in Section 80-IAC, payment or TDS on the ESOP perquisite can be deferred until the earliest of three events: 48 months from the end of the assessment year of allotment, leaving that employer, or selling the shares. The tax is then due within 14 days. The perquisite still has to be reported in the return for the allotment year.
Last reviewed: 13 August 2026.
First test: is the employer eligible?
The special timing rule is not for every company that calls itself a startup. The Income Tax Department states that it is available only for an employee of an eligible start-up referred to in Section 80-IAC. Ask payroll for written confirmation of the employer's eligibility and preserve the relevant recognition and tax records.
Two tax events, not one
At exercise and allotment, the ESOP benefit is salary perquisite income. Its value is generally the fair market value on the exercise date minus the amount paid by the employee, with FMV determined under Rule 3. A later sale can create capital gains. For that later computation, the official explainer says the exercise-date FMV is the cost of acquisition and the holding period begins on allotment.
The deferral changes the payment timing of the first tax event. It does not make the perquisite non-taxable and does not defer capital-gains tax after sale.
The three-trigger clock
Tax attributable to the eligible-startup ESOP perquisite becomes payable within 14 days of the earliest of:
- expiry of 48 months from the end of the assessment year in which the securities were allotted;
- the employee ceasing employment with that organisation; or
- sale of the ESOP securities.
This is why “up to five years” can mislead. The statutory wording uses 48 months from the end of an assessment year, and sale or exit may trigger payment much sooner.
Records to collect before filing
- grant, vesting, exercise and allotment dates;
- exercise price and number of shares;
- merchant-banker valuation for unquoted equity where applicable;
- Form 16 and payroll calculation identifying the perquisite;
- employer confirmation of eligible-startup status;
- sale contract or employment-exit date if a trigger occurred;
- the ESOP schedule and deferred-tax fields in the applicable ITR.
Reconcile the perquisite figure across the valuation, Form 16 and return. Do not use ITR-1 or ITR-4 merely because other income is simple; official return instructions exclude persons with deferred ESOP tax from those forms.
A safe calculation method
Do not copy a website's rupee example into your return. Build a dated worksheet: exercise-date FMV, exercise price, quantity, perquisite, allotment year tax rate, tax already paid, balance deferred, and trigger date. Have a tax professional review unlisted-share valuation, foreign assets or a cross-border employer.
Frequently asked questions
Does the deferral apply when any startup grants ESOPs?
No. The Income Tax Department limits it to eligible start-ups referred to in Section 80-IAC.
What happens if I sell before the 48-month point?
Sale is an earlier trigger. The deferred perquisite tax becomes payable within 14 days, and the sale may also produce capital gains.
Do I omit the ESOP perquisite from the allotment-year return?
No. The official explainer says disclose it in that year's return even though payment of the attributable tax is deferred.