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Under section 10(2)(vib) of the Indian Income-tax Act, 1922, a development rebate reserve was a separately identifiable reserve that an assessee generally had to create to obtain the development rebate for qualifying ships, machinery or plant. The ordinary rule required a debit to the relevant previous year’s profit-and-loss account and a credit to a reserve account equal to 75 per cent of the development rebate actually allowed.
The reserve was not a second tax deduction. It was a condition attached to the capital-asset allowance, with the money earmarked for the undertaking’s business for the ten years next following and subject to restrictions on distributions, foreign profit remittances and assets created outside India. This is a historical explanation of the 1922 Act, not a statement that the reserve is available under current tax filing rules.
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Where the development rebate reserve fitted into the 1922 Act
Section 10(2)(vib) of the Income-tax Act, 1922 dealt with a development rebate for specified ships and for new machinery or plant used in a business. The allowance reduced taxable business income, but the proviso attached an accounting and retention condition to it. In the ordinary case, the assessee had to make the prescribed reserve entry before claiming the allowance.
That design matters because the reserve was not an expense invented in addition to the rebate. It was a restriction on how part of the undertaking’s profits had to be appropriated after the capital allowance was claimed. The Supreme Court’s discussion in Cochin State Power & Light Corporation Ltd. v. Commissioner of Income-tax makes the practical point that a statutory reserve of this kind did not become an additional deductible expense merely because the statute required it. The funds remained available to the undertaking for investment, subject to the statutory limits.
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How the ordinary reserve was calculated
The 75 per cent rule
The proviso to section 10(2)(vib) required an entry equal to “75 per cent of the development rebate to be actually allowed.” The calculation therefore began with the rebate allowed for the relevant assessment year, not with the cost of the machine, plant or ship.
For a simple illustration, if the rebate actually allowed for an assessment year was ₹100,000, the ordinary reserve requirement would be ₹75,000. A 75 per cent calculation applied to the asset’s purchase price would be a different calculation and would not satisfy the statutory wording.
What “actually allowed” means
“Actually allowed” is important where the rebate was spread, restricted or only partly available under the computation rules. The reserve condition followed the amount allowed in that particular assessment year. It did not automatically follow the full amount first calculated when the asset was installed.
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The accounting entry and why a general reserve was insufficient
The prescribed profit-and-loss entry
The ordinary mechanism required two linked entries in the relevant year’s accounts:
Debit: relevant previous year’s profit-and-loss account
Credit: separately identified development rebate reserve accountThe reserve was expected to be created when the profit-and-loss account was made up. That timing requirement was the stricter baseline described in the Supreme Court decisions. A book entry made years later, without considering the statutory and judicial qualifications, cannot be treated as automatically equivalent.
Separate identity, not just enough money
The reserve had to be separately identifiable. In Indian Overseas Bank Ltd. v. Commissioner of Income-tax, the Supreme Court distinguished the development rebate reserve from other reserves maintained under company or banking law. A general reserve that happened to contain enough money for the required amount was not automatically compliant.
“The reserve contemplated by that provision is a separate reserve.”
That principle addresses both accounting presentation and legal purpose. The entry had to show that the statutory amount had been appropriated for the development-rebate condition, rather than merely leaving an equivalent balance somewhere in the accounts.
How the reserve could be used during the ten-year period
Section 10(2)(vib) required the reserve to be used for the purposes of the undertaking’s business during the ten years next following. The statutory scheme also imposed specific prohibitions. During that period, the reserve could not be used for:
- Payment of dividends or other distributions of profits;
- Remittance outside India as profits; or
- Creation of an asset outside India.
The ten-year rule did not mean that cash had to sit untouched in a separate bank account. The reserve was an accounting appropriation supporting business use, and the funds could remain available to the undertaking for permitted investment. What mattered was the statutory purpose and the prohibited uses, not the physical segregation of cash.
The provision also treated an early sale or transfer of the relevant ship, machinery or plant as potentially significant. The courts describe such a disposal as a possible basis for treating the development rebate as wrongly allowed. The precise tax consequence depends on the facts and the applicable assessment provisions, so the ten-year use rule should not be separated from the asset-retention condition.
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Timing rules and later judicial clarification
The baseline timing rule
The starting point was creation of the separate reserve when the profit-and-loss account for the relevant year was made up. This is why merely showing an adequate general reserve, or deciding after an assessment that an entry would have been convenient, was not the ordinary statutory method.
Loss years and the 1986 circular
Modi Spinning and Weaving Mills Co. Ltd. v. Commissioner of Income-tax considered conflicting interpretations of guidance issued by the Central Board of Direct Taxes. The Supreme Court said Circular No. 189 of 1986 retained two important clarifications:
- Where pre-rebate total income was a loss and no development rebate was actually allowed, no reserve was legally required for that year.
- In specified circumstances, a genuine deficiency could be made good by an adequate additional reserve in the current-year books in which the assessment was framed.
The Court stated that the Board’s view applied under the 1922 Act as well as the 1961 Act. This does not create a general right to postpone the reserve. The clarification concerns the circular’s stated conditions and the particular history of conflicting interpretations. It should be read alongside, not as a cancellation of, the baseline requirement that the reserve be created when the profit-and-loss account is made up.
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Companies holding a licence under the Electricity (Supply) Act, 1948 were dealt with under a different statutory mechanism. Paragraph V-A of the Sixth Schedule provided a sector-specific development reserve for an electricity undertaking. Its calculation, timing and permitted use should not be merged with the ordinary section 10(2)(vib) reserve.
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| Issue | Ordinary assessee under section 10(2)(vib) | Electricity-supply licensee under paragraph V-A of the Sixth Schedule |
|---|---|---|
| Who was covered | An assessee claiming development rebate for qualifying ships, new machinery or plant | A licensee under the Electricity (Supply) Act, 1948 |
| Calculation basis | 75 per cent of the development rebate actually allowed | Income tax and super-tax calculated on the development rebate entitlement |
| Accounting or accumulation timing | Entry in the relevant previous year’s profit-and-loss account, with use governed over the next ten years | Appropriation could be spread in annual instalments over a period not exceeding five years |
| Permitted purpose | Business purposes of the undertaking, subject to the statutory exclusions | Development of the electricity undertaking |
The electricity-licensee reserve was also not an extra deductible expense. The Supreme Court’s treatment of the Electricity (Supply) Act framework confirms that the appropriation preserved funds for development of the undertaking while operating within that sector’s limits. A company therefore had to identify which statutory regime applied before calculating or timing any reserve.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.A practical historical compliance sequence
- Confirm the asset and allowance. Determine whether the ship, machinery or plant fell within the qualifying development-rebate provision of section 10(2)(vib) of the 1922 Act.
- Determine the amount actually allowed. Use the rebate allowed for the particular assessment year after applying any spreading or computational restriction. Do not substitute the asset’s cost or the maximum rebate initially estimated.
- Calculate 75 per cent. For the ordinary assessee, multiply the amount actually allowed by 75 per cent.
- Make the prescribed entry. Debit the relevant previous year’s profit-and-loss account and credit a separately identified development rebate reserve account when the accounts are made up.
- Document the reserve separately. Keep the statutory reserve distinguishable from a general reserve or another reserve required by company, banking or sector legislation.
- Track the ten-year period. Monitor uses of the reserve during the ten years next following and prevent dividends, profit distributions, foreign profit remittances and assets created outside India from being charged to it.
- Review asset transfers. If the qualifying asset is sold or transferred early, examine the potential effect on the development rebate before finalising the relevant accounts and return.
- Check for a special electricity regime. If the entity was an Electricity (Supply) Act licensee, apply paragraph V-A of the Sixth Schedule instead of assuming that the ordinary 75 per cent rule governs.
Common mistakes in interpreting the reserve
- Treating it as an extra deduction. The reserve was a condition for the development rebate, not another expense deduction.
- Applying 75 per cent to asset cost. The statutory base was 75 per cent of the rebate actually allowed.
- Using the full originally computed rebate. If only part was allowed in the assessment year, the reserve followed the amount actually allowed in that year.
- Relying on a general reserve. The Supreme Court required a separate reserve; sufficient aggregate balances did not automatically cure the omission.
- Ignoring the accounting date. The ordinary rule concerned the year in which the profit-and-loss account was made up.
- Assuming a loss-year exception is unlimited. The Circular No. 189 clarification discussed in Modi Spinning and Weaving Mills applies to specified circumstances, not to any late reserve created for convenience.
- Combining the electricity-licensee calculation with the ordinary rule. The sectoral reserve used a different tax-based calculation and could be accumulated over up to five years.
- Assuming the ten-year rule means cash cannot be invested. The reserve supported business use; the restrictions concerned its statutory purposes and listed prohibited applications.
What non-compliance could mean
Because the reserve was a condition of the allowance, failure to satisfy the statutory requirements could place the development rebate at risk. The cases distinguish between the ordinary separate-reserve requirement, the timing baseline, and the limited clarifications concerning loss years or a genuine deficiency. They do not establish a blanket rule that any later appropriation is acceptable.
Likewise, an early transfer of the asset could trigger treatment of the rebate as wrongly allowed under the scheme described by the courts. The actual assessment consequence depends on the transaction, the year and the governing provisions; the historical rule should not be used as a prediction of a current assessment without examining those details.
Why this term is mainly of historical significance
The Income-tax Act, 1922 framework discussed here belongs to historical assessments governed by that statute. The figures—75 per cent, ten years and, for electricity licensees, a period not exceeding five years—describe the legal mechanisms addressed in the cited Supreme Court decisions and statutory provisions. They are not current filing instructions under today’s income-tax law.
For a historical file, the decisive documents would include the assessment year, the amount of rebate actually allowed, the profit-and-loss account, the separate reserve ledger, any later appropriation and any sale or transfer of the relevant asset. A modern tax question requires checking the law and procedural rules applicable to the present assessment year rather than carrying forward the 1922 Act terminology.
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