Section 54 - Business of prospecting for mineral oils
Oil-exploration income is computed under the special contractual and statutory framework, which can override ordinary business deductions.
Reviewed by CA Nikhil Gupta · Updated 9 October 2026
Section 54 is presented using the consolidated Income-tax Act, 2025 as amended by the Finance Act, 2026. The general commencement date is 1 April 2026. Earlier years and saved proceedings may remain governed by the Income-tax Act, 1961 and the repeal/savings framework.
2-minute professional decode
Oil-exploration income is computed under the special contractual and statutory framework, which can override ordinary business deductions.
Who should test this section?
Section 54 should be tested by businesses, professionals, non-residents and advisers whenever the computation touches business of prospecting for mineral oils; the special rule must be checked before the ordinary business-profit machinery is applied.
Evidence to retain
For section 54, retain the contracts, ledgers, invoices, banking evidence, prescribed reports and computation papers that specifically prove the factual trigger and quantum for business of prospecting for mineral oils.
1961 Act bridge
| Legacy provision | Legacy heading | Mapping |
|---|---|---|
| 42 | Special provisions for deductions in the case of business for prospecting, etc. For mineral oils. | Renumbered / mapped |
The bridge is a research aid. Legacy case law carries over only after the current wording and transition rules are matched.
Rules and forms linked to this section
No provision-specific Rule was independently mapped from the current Rules register for this section. That does not mean the wider Rules are irrelevant.
Worked application
Prepare a hypothetical transaction involving business of prospecting for mineral oils. Identify the person, tax year, trigger, evidence and connected provision first; then apply section 54 step-by-step and document why each statutory condition is or is not met.
Common mistake
A recurring section 54 error is to carry the book or ordinary tax treatment into business of prospecting for mineral oils without first testing the provision-specific override, eligibility conditions and linked Rule/Form requirements.
Compliance approach
Identify the statutory trigger for section 54, lock the relevant tax year, reconcile the facts to the operative sub-section, preserve the evidence trail and separately test every linked Rule, Form, Schedule and exception before finalising the return position.
Numeric / timing checkpoints in the operative text
- (c) for the tax year of commencement of commercial production and such succeeding tax years as specified in the agreement, towards depletion of mineral oil in the mining area.
- (5) Where the business or any interest therein as referred to in sub-section (1) is wholly or partly transferred as per the provisions of the agreement, the profit shall be charged to tax or deduction shall be allowed in the following manner:— (a) where A is less than C, then (C–A) shall be allowed as deduction in the tax...
- (b) where A is greater than C,— (i) but less than B, then (A–C) shall be the profit chargeable under the head “Profits and gains of business or profession” for the tax year in which such transfer takes place;
- (ii) in any other case, only (B–C) shall be the profit chargeable under the said head for the tax year in which such transfer takes place;
- and (iii) no deduction shall be allowed for the expenditure incurred remain- ing unallowed in the tax year in which such transfer takes place or any subsequent tax year, where,— A = proceeds of the transfer (so far as they consist of capital sums);
- (6) If the business or interest therein is no longer in existence in the year of trans- fer, the provisions of sub-section (5) shall apply as if such business is in existence during the said year.
Related provisions
Current statutory text
Primary-source trail
- Consolidated Income-tax Act, 2025 (as amended by Finance Act, 2026) (official external source)
- Income Tax Department - Act/Rules/Forms hub (official external source)
- CBDT commencement material - Act operative from 1 April 2026 (official external source)
Source status: full Section 54 statutory text in the local source corpus; reconciled to the current consolidated Act control on 8 October 2026.