The trigger is indeterminability, not simply non-payment
For tax year 2026–27, section 80 of the Income-tax Act, 2025 substitutes the capital asset's fair market value on its transfer date where consideration received or accruing is not ascertainable or cannot be determined. The deemed amount is used for capital-gains computation. An unpaid but determinable price does not become indeterminable merely because cash has not arrived. Keep asset classification, transfer and consideration evidence separate. Income Tax Department: 2025 Act as amended by Finance Act, 2026, section 80.
Read the transaction terms before choosing a value
A contract may contain a fixed amount, an ascertainable formula, non-cash consideration or genuinely unresolved consideration. None should be classified from the ledger description alone. Identify the enforceable bargain and what evidence permits its value to be determined. This guide does not resolve every contingent-consideration dispute or assume that any formula prevents section 80; the actual legal and valuation facts must support the conclusion. Income Tax Department: 2025 Act as amended by Finance Act, 2026, section 80.
Value the transferred asset at the correct date
If the trigger is established, section 80 identifies the transferred capital asset's fair market value on the transfer date. Do not automatically substitute the value of a different asset, a later appraisal date or the carrying amount in the books. A valuation report prepared later may contain a supported transfer-date valuation; distinguish the report's preparation date from the valuation date it addresses. Income Tax Department: 2025 Act as amended by Finance Act, 2026, section 80.
Keep adjacent valuation provisions distinct
The Act contains separate rules for specified property and share transfers. A land stamp-value comparison and an unquoted-share valuation working should not be transplanted into section 80 without checking their statutory scope and interaction. This article isolates the section 80 trigger and selected consideration. It does not prescribe a valuation method under another section or claim an elective choice of the lowest figure. Income Tax Department: 2025 Act as amended by Finance Act, 2026, section 80.
Build a reproducible tax working
Our recommended schedule shows the asset, established transfer date, consideration clause, reason the section 80 trigger applies, fair-value evidence and selected deemed consideration. Preserve the contrary evidence as well as management's preferred amount. Keep acquisition basis, transfer expenditure, holding period, rates and exemptions in separately supported computations; the numerical models here do not determine final taxable gains or tax payable. Income Tax Department: 2025 Act as amended by Finance Act, 2026, section 80.
Resolve transition and reconciliation questions
These section references concern the 2025 Act for tax year 2026–27, not the earlier FY 2025–26 return. A book carrying amount or accounting transaction value may differ from the tax measure. Record that bridge explicitly rather than overwriting historical cost or recording a fictional cash receipt. If the indeterminability conclusion is disputed, obtain transaction-specific advice before finalising the tax position. Income Tax Department: 2025 Act as amended by Finance Act, 2026, section 80.
Applicable primary references
Income Tax Department: 2025 Act as amended by Finance Act, 2026, section 80
Six worked illustrations
All facts and amounts below are fictional. Assumptions describe the model, not additional statutory rules.
Illustrative example 1: Transfer-date value selected
Assume a covered capital asset transfers on 15 September 2026 and its consideration cannot be determined. Supported fair market value on that date is ₹120 lakh. The section 80 consideration working selects ₹120 lakh; it does not select a ₹95 lakh book balance merely because that is readily available.
Illustrative example 2: Report date differs from valuation date
A report signed on 20 October 2026 establishes transfer-date value on 30 September at ₹150 lakh. A separately supported 20 October value is ₹160 lakh. On the stipulated section 80 facts, use ₹150 lakh, avoiding an unsupported ₹10 lakh later-date increase.
Illustrative example 3: Fixed price remains determinable
A valid contract fixes ₹80 lakh, of which ₹20 lakh is received and ₹60 lakh remains unpaid. Total determinable price is 20 + 60 = ₹80 lakh. Non-payment alone does not establish the section 80 trigger. This is not a conclusion about any other applicable deeming provision.
Illustrative example 4: Formula evaluation requires evidence
A contract states a fixed ₹40 lakh plus ₹2 lakh for each of ten objectively established units. The formula evaluates to 40 + 2 × 10 = ₹60 lakh. On the model's assumption that it determines the contractual consideration, the mere absence of a single printed total does not establish indeterminability.
Illustrative example 5: Separate assets and records
Assume two independently transferred capital assets both meet the trigger. Their supported transfer-date fair values are ₹90 lakh and ₹35 lakh. Separate deemed amounts total ₹125 lakh. A ₹100 lakh combined book balance is ₹25 lakh lower, but that difference does not justify allocating the book total in place of supported fair values.
Illustrative example 6: Valuation range needs a conclusion
Assume a covered asset has two reports proposing ₹110 lakh and ₹130 lakh for the same transfer date. The gap is ₹20 lakh. Their midpoint is ₹120 lakh, but section 80 does not itself prescribe taking that average. The working must resolve the valuation evidence; ₹120 lakh is only the arithmetic midpoint, not an automatically authorised tax value.
Ten-step verification table
| Step | Action | Evidence |
|---|---|---|
| 1 | Confirm year and enactment | Record the tax year and the applicable statutory framework. |
| 2 | Classify the transferred asset | Support capital-asset treatment from the facts. |
| 3 | Establish the transfer date | Retain the legally relevant documents and chronology. |
| 4 | Extract consideration terms | Keep the fixed, formula, non-cash or contingent terms visible. |
| 5 | Test ascertainability | Explain the evidence supporting or defeating the section 80 trigger. |
| 6 | Review adjacent provisions | Check specific deeming rules without assuming free choice among values. |
| 7 | Obtain transfer-date valuation | Match the property valued, valuation date and supporting assumptions. |
| 8 | Resolve report differences | Document the reasoned conclusion rather than mechanically averaging. |
| 9 | Prepare the book-to-tax bridge | Separate carrying amount, cash movements and the deemed measure. |
| 10 | Approve the computation inputs | Pass the supported consideration to the separate capital-gains working. |
Sixteen practitioner FAQs
1. Does unpaid price automatically trigger section 80?
No. Distinguish payment status from ascertainability.
2. Which period does this article address?
Tax year 2026–27 under the 2025 Act.
3. What is substituted when the trigger applies?
The transferred capital asset's transfer-date fair market value.
4. Can the book balance be used just because it is available?
Not as a substitute for the required supported measure.
5. Does a formula necessarily make consideration indeterminable?
No. Assess whether the actual terms and evidence permit determination.
6. Does every contingent amount have one automatic treatment?
No. Resolve the transaction-specific legal and valuation questions.
7. Must the valuation report be signed on the transfer date?
Distinguish report preparation from the valuation date it reliably addresses.
8. Can a later market increase simply be imported?
No. Keep the required date clear.
9. Is this the same as a stamp-value threshold test?
No. Review the separately applicable provisions and their interaction.
10. Can two assets be valued from one unsupported book total?
Keep independently supported asset values and allocation evidence.
11. Is averaging two reports a statutory method here?
No. The example's midpoint only demonstrates arithmetic.
12. Should contrary valuation evidence be retained?
Yes. Explain how differences were resolved.
13. Do these examples calculate final capital gains?
No. They isolate consideration inputs and evidence checks.
14. Does deemed consideration create a cash receipt?
No. Keep the tax adjustment distinct from cash records.
15. What if applicability remains disputed?
Obtain supported advice and record the unresolved issue before finalising.
16. What should a reviewer reproduce?
The trigger analysis, transfer date, valuation evidence and selected tax input.
Conclusion
Section 80 substitutes transfer-date asset fair value where capital-asset transfer consideration is not ascertainable or cannot be determined. Establish that trigger before replacing a contractual amount.