If you qualify for a capital-gains exemption but have not yet bought or built the replacement asset, you may be able to protect the eligible unused amount by depositing it in the Capital Gains Account Scheme (CGAS) by the applicable section 139(1) income-tax return deadline. CGAS is a deadline bridge, not a tax exemption by itself: the money must still be used for the qualifying asset within the period set by the specific exemption provision.
The correct section, tax year, eligible amount and deadline all matter. The commonly cited section numbers below describe the Income-tax Act, 1961 framework. Because the Income-tax Act, 2025 commenced on 1 April 2026, a deposit or exemption that crosses that date must be checked against the new Act, its Rules and transition provisions.
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What CGAS does—and what it does not do
CGAS allows an eligible taxpayer to set aside capital-gain money that has not yet been invested in the required replacement asset when the income-tax return is due. The deposit preserves the possibility of claiming the relevant exemption, provided every other condition is met and the money is subsequently used on time.
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- It is not an independent exemption: depositing money does not make an otherwise ineligible gain exempt.
- The amount is provision-specific: some routes are based on the capital gain; section 54F uses a formula involving the long-term capital gain, eligible investment and net sale consideration.
- Use is restricted: the deposit must fund the replacement asset described by the applicable section, within that section’s period.
- Failure has tax consequences: an unused balance can become taxable when the permitted period expires, and an improper withdrawal or use can create an earlier issue under the applicable provision.
For the 1961 Act, section 54(2) states that “such return shall be accompanied by proof of such deposit”. Keep the bank’s deposit evidence and report it with the return where the provision requires it.
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Start with the governing law and tax year
Before calculating anything, identify the date of transfer, the return year and the law that governs that year. The Income-tax Act, 2025 commenced on 1 April 2026. The section numbers and CGAS framework commonly used in older guidance come from the Income-tax Act, 1961 and should not be assumed to be the equivalent numbering for a new-law tax year.
The official transition FAQ says deposits made under the 1961 Act before 1 April 2026 continue under the old conditions, and it addresses the treatment of later non-use under the transition provision. It does not, by itself, establish every equivalent provision, bank process or account-opening requirement for a new deposit made after commencement of the 2025 Act. If your transfer, deposit or replacement investment spans 1 April 2026, verify the applicable new-law section and transition rule before acting.
Which capital-gains routes can use CGAS?
The following comparison reflects the Income-tax Department’s overview of the 1961 Act. It is a route-selection aid, not a substitute for checking the full statutory conditions.
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| Route | Who and what gain may qualify | Qualifying replacement asset and period | CGAS treatment |
|---|---|---|---|
| Section 54 | Individual or Hindu undivided family (HUF) with a long-term capital gain from a residential house | One residential house: purchase within one year before or two years after transfer, or construction within three years | CGAS can hold the eligible unused amount by the return due date |
| Section 54B | Individual or HUF with a gain from qualifying agricultural land used for agriculture for at least two years before transfer | New agricultural land within two years | CGAS applies when the replacement land has not been bought by the return due date |
| Section 54D | Any assessee on qualifying compulsory acquisition of industrial land or a building used for an industrial undertaking | Replacement land or building for the industrial undertaking within three years | Listed in the official overview as a CGAS route |
| Section 54F | Individual or HUF with a long-term gain from an asset other than a residential house | One residential house in India: purchase within one year before or two years after transfer, or construction within three years | CGAS can preserve the eligible unused amount; the exemption formula and ownership conditions apply |
| Sections 54G and 54GA | Any assessee with specified industrial-undertaking assets being relocated from an urban area | Qualifying relocation assets in a non-urban area or a special economic zone (SEZ), within the specified period under the applicable provision | Listed in the official overview as CGAS routes |
| Sections 54EC and 54EE | Any assessee with qualifying long-term gains | Specified bonds or notified fund units, generally within six months; section 54EC has a ₹50 lakh overview limit, and section 54EE separately lists a ₹50 lakh notified-fund limit | The Department’s overview says no CGAS deposit is required |
Sections 54EC and 54EE are therefore different from the house, land and relocation provisions. You invest directly in the specified security or fund within its deadline; a CGAS deposit is not the prescribed bridge for those routes.
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Calculate the amount before you deposit
Do not automatically transfer the entire sale proceeds to CGAS. First determine the exemption route, the capital gain or net-consideration measure used by that route, statutory limits and any amount already invested.
Routes that focus on the capital gain
For sections such as 54, 54B and 54D, the amount that may need to be protected is tied to the eligible capital gain and the section’s exemption conditions. The amount is not the gross sale price. Start with the legally computed gain, then reduce it for any qualifying investment already made and apply the relevant statutory rules and caps.
Section 54F uses a formula
Section 54F covers an individual or HUF transferring a long-term asset other than a residential house and investing in one residential house in India. Its exemption is not simply “the amount deposited”. The calculation uses the long-term capital gain, the amount invested in the new house and the net sale consideration. In simplified form, the exempt gain is the eligible long-term gain multiplied by the eligible investment divided by the net sale consideration, subject to the provision’s conditions.
Section 54F also has ownership and reinvestment conditions, and the Income-tax Department’s current overview states that eligible investment for this route shall not exceed ₹10 crore. That ₹10 crore figure is a section 54F eligible-investment ceiling, not a general CGAS deposit limit and not a promise that every taxpayer can claim that amount.
Apply caps and route conditions
- Check whether the replacement asset must be in India, as section 54F requires for the residential house route.
- Confirm that the original asset and claimant category match the section. A route available to an individual or HUF is not automatically available to a company or another assessee.
- Separate long-term from short-term gains where the section requires a long-term gain.
- Subtract qualifying amounts already invested before deciding what remains eligible for deposit.
- Apply route-specific monetary limits. For example, the overview lists ₹50 lakh for section 54EC as the lower of ₹50 lakh or the amount invested in specified bonds, and separately lists ₹50 lakh for section 54EE notified-fund investments.
How to use CGAS for a 1961 Act transaction
These steps describe the legacy framework. For a new-law deposit after 1 April 2026, confirm the current section, forms, authorised-bank process and transition treatment first.
- Classify the transfer. Record the asset sold, transfer date, holding period, sale consideration, expenses, cost information, taxpayer status and whether the gain is short-term or long-term. Establish the tax year and governing Act.
- Select the exemption section. Test the facts against sections 54, 54B, 54D, 54F, 54G or 54GA as applicable. If your intended investment is a section 54EC bond or section 54EE notified fund, use that route’s direct investment process instead of CGAS.
- Work out the eligible unused amount. Calculate the gain under the tax rules, apply the section’s formula or cap, deduct qualifying investment already completed and identify the amount still to be invested. For section 54F, use the net-sale-consideration formula rather than depositing all proceeds.
- Deposit by the return deadline. Under the section 54(2) legacy rule, the deposit must be made before furnishing the return and no later than the due date under section 139(1). Check your actual due date for the relevant taxpayer category and year. A late deposit can fail to preserve the intended claim.
- Obtain and retain proof. Keep the deposit receipt, account details, transfer records and the calculation supporting the amount. The return must be accompanied by proof of deposit where the applicable provision requires it.
- Use the balance only for the qualifying asset. Follow the purchase or construction period in the exemption section. A withdrawal for an unrelated purpose is not a harmless change of plan; it can affect the exemption and trigger tax consequences.
- Reconcile the account and the asset purchase. Retain invoices, conveyance or acquisition documents, construction bills, payment evidence and the dates of each use. Your records should show that the CGAS money funded the specified replacement asset within the permitted period.
The official materials do not establish a single current post-2026 bank procedure for every case. Confirm the authorised-bank, account-opening, withdrawal and documentation requirements that apply to your tax year instead of relying on an old form or an outdated branch instruction.
Deadlines you must track
The return-filing deadline and the replacement-asset deadline serve different purposes. Missing either can defeat the claim.
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|---|---|---|
| Section 54 | Purchase one year before or two years after transfer; construction within three years | Holds eligible money not yet used when the return is filed |
| Section 54B | New agricultural land within two years | Preserves the eligible unused amount pending the land purchase |
| Section 54D | Replacement industrial land or building within three years | Listed as a CGAS-backed route in the overview |
| Section 54F | Residential house purchase one year before or two years after transfer; construction within three years | Holds the amount calculated under the section 54F formula |
| Sections 54G and 54GA | Within the specified period for the applicable relocation provision | Listed as CGAS-backed routes; check the exact statutory period |
| Sections 54EC and 54EE | Generally within six months for the specified bonds or notified fund route | No CGAS deposit is required according to the Department’s overview |
Because the exact return due date can depend on the taxpayer and year, use the date applicable to your filing rather than assuming a universal calendar date. The deposit deadline is tied to section 139(1), not to the later replacement-asset deadline.
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What happens if you do not use the deposit?
CGAS money remains conditional. If the replacement asset is not acquired or constructed within the relevant period, the unused balance can become taxable when that period expires. The applicable section determines the tax year and whether the amount is treated as short-term or long-term gain. Do not treat the deposit as a permanent shelter.
An early or improper withdrawal can create a separate compliance problem. Use the account only for the qualifying investment, maintain evidence of each payment and seek a section-specific calculation if the project is cancelled, delayed or changed. The tax result can differ depending on whether the problem is a withdrawal, a failure to invest, an incomplete construction project or a later transfer of the replacement asset.
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Deposits made before commencement
The official transition FAQ says deposits made under the Income-tax Act, 1961 before 1 April 2026 continue under the old conditions. It also discusses the treatment of later violations when the prescribed period is not met. Keep the original transfer and deposit records together so the legacy conditions can be demonstrated.
Transfers or deposits after commencement
For a transaction governed by the Income-tax Act, 2025, do not copy a 1961 Act section number, account form or banking instruction without checking the new law and Rules, 2026. The available official material does not establish the complete new-law mapping or a universal post-commencement CGAS procedure. Confirm the current provision, transition rule, return requirement and authorised-bank process before depositing money.
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Transactions spanning both regimes
A transfer before 1 April 2026 followed by a deposit or purchase after that date may involve both legacy conditions and transition rules. The date of transfer, date of deposit, date of filing and date of replacement investment can all matter. Obtain a written computation that identifies which Act governs each step rather than treating the transaction as entirely old-law or entirely new-law.
Common mistakes and how to avoid them
- Depositing gross sale proceeds: CGAS is based on the eligible amount under the exemption section, not automatically on the sale price.
- Choosing the section after depositing: identify the original asset, claimant category and replacement asset first. A deposit cannot cure a route mismatch.
- Confusing section 54F with section 54: section 54F uses net sale consideration in its formula and has additional ownership conditions; the two provisions are not interchangeable.
- Missing the section 139(1) deadline: the replacement purchase may be allowed later, but the CGAS deposit still has to meet the return-deadline rule.
- Using the money for a different purpose: an unrelated withdrawal or payment can undermine the exemption.
- Ignoring the final investment deadline: the account does not extend the statutory period indefinitely.
- Assuming every route needs CGAS: the Department’s overview specifically identifies sections 54EC and 54EE as routes where no CGAS deposit is required.
- Using old-law guidance for a 2025 Act year: the 1 April 2026 commencement date requires a fresh check of section numbering and procedure.
- Failing to preserve proof: keep the deposit receipt, return attachment or electronic acknowledgement, purchase documents and payment trail.
When professional review is worth the cost
A qualified Indian tax professional can be particularly useful where the gain involves multiple assets, a disputed holding period, inherited property, a compulsory acquisition, a business relocation, construction delays, co-ownership, an amount near a statutory cap or any date crossing 1 April 2026. Ask for a written schedule showing the governing Act, exemption section, eligible gain, amount already invested, CGAS amount, return deadline, replacement deadline and consequence if the investment is not completed.
Professional advice cannot turn an ineligible transaction into an exempt one, but it can expose a wrong section choice or a deadline problem before the deposit is made.
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The practical verdict
Use CGAS only after you have matched the transfer to a qualifying exemption and calculated the eligible unused amount. Deposit that amount by the applicable section 139(1) due date, submit proof with the return where required and spend the money only on the specified replacement asset within the section’s period. Treat the deposit as conditional and time-limited. For any transaction or deposit touching 1 April 2026, verify the Income-tax Act, 2025 transition treatment and current banking procedure before relying on the legacy section numbers.
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