ITA 1961 · Section 34

Section 34 — Conditions for depreciation allowance and development rebate

Chapter IV-D — Profits and Gains of Business or ProfessionITA 1961Up to AY 2026-27

STATUTORY ARCHITECTURE — 18-ROW MAP

Statutory text — Income-tax Act, 1961

34. (1)

(2)

(3)(a) The deduction referred to in section 33 shall not be allowed unless an amount equal to seventy-five

per cent of the development rebate to be actually allowed is debited to the profit and loss account of any

previous year in respect of which the deduction is to be allowed under sub-section (2) of that section or any

earlier previous year (being a previous year not earlier than the year in which the ship was acquired or the

machinery or plant was installed or the ship, machinery or plant was first put to use) and credited to a

reserve account to be utilised by the assessee during a period of eight years next following for the purposes

of the business of the undertaking, other than—

(i) for distribution by way of dividends or profits ; or

(ii) for remittance outside India as profits or for the creation of any asset outside India :

Provided that this clause shall not apply where the assessee is a company, being a licensee within the

meaning of the Electricity (Supply) Act, 1948 (54 of 1948), or where the ship has been acquired or the

machinery or plant has been installed before the 1st day of January, 1958 :

Provided further that where a ship has been acquired after the 28th day of February, 1966, this clause shall

have effect in respect of such ship as if for the words "seventy-five", the word "fifty" had been substituted.

Explanation.—Omitted by the Finance Act, 1990, w.r.e.f. 1-4-1962. Earlier, it was inserted by the Finance

Act, 1966, w.r.e.f. 1-4-1962.

Function in the statutory architecture

Section 34 now contains only sub-section (3); sub-sections (1) and (2) appear as “[***]”. Clause (a) makes the development rebate under s. 33 conditional on an amount equal to seventy-five per cent of the rebate being debited to the profit and loss account and credited to a reserve, to be used for the business within eight years, and not for dividends, remittance abroad or creating assets outside India. For ships acquired after 28-2-1966 the figure is fifty per cent. Electricity licensees under the Electricity (Supply) Act, 1948, and assets acquired or installed before 1-1-1958, are outside clause (a).

Operative consequences

Without the reserve, the rebate is not allowed (clause (a)).
If the ship, machinery or plant is sold or transferred within eight years from the end of the year of acquisition or installation, the rebate under s. 33 or the 1922 Act is deemed wrongly made, and s. 155(5) applies (clause (b)).
Clause (b) does not apply to assets acquired or installed before 1-1-1958, transfers to Government bodies, or transfers in an amalgamation or succession referred to in s. 33(3) or (4).

Status

The section has no new application for AY 2026-27, because it operates only on development rebate under s. 33, which is tied to dates up to 1970. The Explanation to sub-section (3)(a) reads “[Omitted by the Finance Act, 1990, w.r.e.f. 1-4-1962. Earlier, it was inserted by the Finance Act, 1966, w.r.e.f. 1-4-1962.]”. The Finance Act, 2026 does not amend this section.

The 1961 Act governs AY 2026-27 and earlier assessment years; the Income-tax Act, 2025 governs tax year 2026-27 onwards. For this subject there is no provision in the Income-tax Act, 2025.

Case Laws & Commentary

SECTION 34 — Conditions for depreciation allowance and development rebate

Important Case Laws — 1961 Treatise (FA 2026)

Provision in brief: Originally laid down conditions for depreciation allowance, development rebate / development allowance. Subs. (1), (2), (2A), (3), (3A), (4) deal mainly with development rebate. With omission of development rebate u/s 33 (from AY 1975-76) and development allowance (from 1.4.1976), s. 34 has limited current relevance. The audit-report/condition requirement for depreciation (e.g., Form 3AA earlier) has been effectively subsumed; current depreciation conditions arise via s. 32 itself.

Section Commentary

Largely vestigial — but live for legacy disputes

Section 34 originally prescribed conditions for grant of (i) depreciation allowance, (ii) development rebate u/s 33 (omitted from AY 1975-76), and (iii) development allowance (omitted from 1.4.1976). Of these, the depreciation-condition limbs are subsumed elsewhere; the section now has practical relevance only for legacy disputes involving development-rebate carry-forward / utilisation conditions and the 8-year non-transfer rule of s. 34(3)(b).

Reserve requirement — Indian Overseas Bank / Shri Subhulaxmi Mills

Where development rebate was claimed in an earlier year, s. 34(3)(a) required creation of a statutory reserve of 75% in the books of the year of acquisition. Shri Subhulaxmi Mills (SC) held the requirement to be substantive — subsequent reserve creation in a later year cannot cure the defect. For legacy assessments under reopening, this principle continues to operate.

8-year non-transfer rule — Veerabhadra Iron Foundry

Section 34(3)(b) imposed a continuing condition that the asset on which development rebate was granted should not be transferred for 8 years from the end of the PY in which it was acquired. Premature transfer triggers s. 155(5) re-assessment to withdraw the rebate. This 'continuing condition' machinery is the conceptual ancestor of similar provisions in s. 35AD(7B) / s. 32AC(4) / s. 80-IA(8).

Practical relevance today

While no new development-rebate claim is possible, three classes of legacy interaction subsist: (i) brought-forward unabsorbed development rebate under s. 33(2), (ii) reassessment under s. 155(5) for transfers within 8 years, (iii) treatment in amalgamation contexts (Industrial Cables held the unabsorbed amount is personal to the original assessee — no automatic succession). For most current taxpayers, s. 34 will surface only in distant search-and-seizure-driven reassessments.

FA 2026 impact: No FA 2026 amendment. Section largely vestigial in current Act — operative only in respect of carry-forward / set-off transitions of development rebate granted in earlier years.

Leading Decisions

1. Indian Overseas Bank v. CIT

Citation: (1985) 151 ITR 446 (Mad)

Forum: Madras High Court

Facts & Issue: Assessee claimed development rebate for an asset installed in PY but did not create the statutory reserve as required by s. 34(3)(a). Revenue disallowed.

Held / Ratio: Held that creation of statutory reserve (75% of development rebate) is a mandatory condition u/s 34(3)(a). Failure invalidates the claim. The Court emphasised the strict interpretation of incentive conditions.

Section relevance: Standard authority on s. 34(3)(a) reserve requirement (still relevant for legacy / pending matters).

2. Shri Subhulaxmi Mills Ltd. v. CIT

Citation: (2001) 249 ITR 795 (SC)

Forum: Supreme Court of India

Facts & Issue: Question whether failure to create development rebate reserve in the year of installation can be cured by creating it in a later year before assessment is completed.

Held / Ratio: The Supreme Court held that the reserve must be created in the books of account of the previous year in which the asset is installed. Subsequent creation does not cure the defect. The condition is substantive, not procedural.

Section relevance: Locks the position on timing of reserve creation under s. 34(3)(a).

3. CIT v. Veerabhadra Iron Foundry

Citation: (1968) 69 ITR 425 (SC)

Forum: Supreme Court of India

Facts & Issue: Whether development rebate granted under s. 33 can be reversed in a year when the asset is sold / transferred before the 8-year holding period under s. 34(3)(b).

Held / Ratio: Held that the 8-year non-transfer condition under s. 34(3)(b) is a continuing condition. Premature transfer triggers s. 155(5) re-assessment to withdraw the rebate. The Revenue is empowered to reopen the assessment of the year in which rebate was originally allowed.

Section relevance: Foundational authority on continuing condition under s. 34(3)(b) and its enforcement through s. 155.

4. CIT v. Mahalakshmi Textile Mills Ltd.

Citation: (1968) 67 ITR 710 (SC)

Forum: Supreme Court of India

Facts & Issue: Conditions under s. 34 for grant of development rebate — including the question whether 'new' machinery must be unused or merely new in the assessee's business.

Held / Ratio: Held that 'new' machinery for development rebate purposes means new and unused, not previously used by anyone. The Court harmonised s. 33 with the conditions in s. 34.

Section relevance: Defines 'new' machinery — principle later carried into 'additional depreciation' under s. 32(1)(iia).

5. CIT v. Industrial Cables (India) Ltd.

Citation: (2001) 252 ITR 720 (P&H)

Forum: Punjab & Haryana High Court

Facts & Issue: Question of carry-forward of unabsorbed development rebate u/s 33(2) read with s. 34 — whether amalgamating company's unabsorbed rebate is available to amalgamated company.

Held / Ratio: Held that the conditions in s. 33(3) and s. 34 are personal to the original assessee. On amalgamation, unabsorbed development rebate is NOT automatically inherited by the amalgamated company unless specific provision (e.g., s. 72A) so provides.

Section relevance: Relevant for legacy carry-forward issues and amalgamation contexts.

— End of Section 34 Case-Law Note —

Case law on Section 34

ITAT, High Court and Supreme Court judgments applying this section, on BharatTax.net, our income tax case law search.

← All sections (940)Act 1961 hub

Income-tax Act, 1961	Income-tax Act, 2025
s. 34(3)(a) — development rebate reserve of 75 per cent (50 per cent for ships acquired after 28-2-1966)	No corresponding provision in the Income-tax Act, 2025
s. 34(3)(b) — rebate withdrawn if ship, machinery or plant transferred within eight years	No corresponding provision in the Income-tax Act, 2025