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Case law › Income-tax Act 2025 › Chapter X › Section 165
Chapter Xwas s.92C

Section 165 of the Income-tax Act, 2025

Section 165 — Determination of arm's length price. Successor to s.92C of the 1961 Act.

Where this section sits

Section 165 is in Chapter X — Special Provisions Relating to Avoidance of Tax, which runs from section 161 to section 177.

← Section 164  ·  Section 166 →

What this section does

Sub-section (1) lists the six methods for determining the arm's length price of an international transaction or specified domestic transaction — comparable uncontrolled price, resale price, cost plus, profit split, transactional net margin, and such other method as the Board may prescribe — and requires the most appropriate of them to be used. Sub-section (2) says how the most appropriate method is selected and applied. Sub-section (3) fixes the result: where the method throws up a single price, that price is the arm's length price, but the actual transaction price stands if the variation from it does not exceed a percentage notified by the Central Government, not exceeding 3%; where more than one price results, the arm's length price is determined in the prescribed manner. Sub-section (4) lets the Assessing Officer determine the arm's length price himself on four grounds — pricing not determined under sub-sections (1) to (3), documentation not kept under section 171(1), unreliable or incorrect information used, or failure to furnish information called for under section 171(2) and (3). Sub-section (5) requires a show cause notice before he does so, sub-section (6) permits him to recompute total income accordingly, sub-section (7) denies any Chapter VIII deduction on the enhancement, and sub-section (8) bars corresponding recomputation in the hands of the other associated enterprise where tax has been deducted or was deductible under Chapter XIX-B.

Why it is there

It supplies the machinery for pricing related-party transactions at arm's length, together with the Assessing Officer's power to substitute his own determination when the taxpayer's is unsupported. Sub-section (7) makes the adjustment bite by denying deductions on the enhanced income, and sub-section (8) stops the same adjustment being unwound on the other side.

Who it applies to

The figures, and what each one turns on

Read the condition in the same row. A figure quoted without it is a wrong answer with a citation attached.
WhatFigureThe condition on itWhere
Tolerance band within which the actual transaction price is accepted as the arm's length priceA percentage not exceeding 3%Of the price at which the transaction was actually undertaken; applies only where a single price is determined by the most appropriate method, and only at the percentage notified by the Central GovernmentSub-section (3)(a)(ii)

What this means in practice

Choosing a method is not free: it must be the most appropriate one judged on the factors in sub-section (2)(a), and the manner of applying it is prescribed. The tolerance band is a ceiling, not a rate — the operative figure is whatever the Central Government notifies, which may be less than 3% and can differ by class of transaction. If the Assessing Officer moves under sub-section (4) you are entitled to a show cause notice under sub-section (5) with a stated date and time, but note that documentation failures under section 171 are themselves a ground for him to act, so the record matters as much as the pricing. Any enhancement carries no Chapter VIII deduction.

An example

Illustrative only, and invented for this page. The figures are chosen to show the rule biting, not taken from any real matter.

A company buys components from its associated enterprise abroad for Rs. 100 crore, and the most appropriate method produces a single arm’s length price of Rs. 98 crore — a variation of about 2% of the price actually paid. Whether the Rs. 100 crore survives is not decided by the 3% in the section: sub-section (3)(a)(ii) accepts the actual price only if the variation does not exceed the percentage notified by the Central Government, which the section caps at 3%, so on a notified figure of 1% the actual price falls away and Rs. 98 crore becomes the arm’s length price. That tolerance is unavailable in any event where the method throws up more than one price, since clause (a) covers only the single-price case. Where the Assessing Officer recomputes total income under sub-section (6), sub-section (7) then denies any Chapter VIII deduction on the enhancement.

Where you meet this section

In transfer pricing proceedings during an assessment — first as the show cause notice sub-section (5) requires before the Assessing Officer determines the arm’s length price himself, then in the recomputation of total income under sub-section (6). You also meet it through section 171: documentation not kept under 171(1), or information not furnished in answer to a notice under 171(2) or (3), is by itself a ground under sub-section (4) for him to act, without his having to show mispricing.

The words themselves

the price at which the international transaction or specified domestic transaction has actually been undertaken, if the variation between the arm's length price so determined and price at which the international transaction or specified domestic transaction has actually been undertaken does not exceed such percentage not exceeding 3% of the latter, notified by the Central Government in this behalf
Section section 165(3)(a)(ii), Income-tax Act, 2025.

What people get wrong

What this replaced

The correspondence is the Income Tax Department’s own, from its comparison utility for the 1961 and 2025 Acts. A renumbering is the easy half; whether the words changed is the half that decides cases.

See the full 1961 to 2025 concordance.

Rules that serve this section

Rules of the Income-tax Rules, 2026 that work section 165. Where the rule’s own heading names the section we say so; the rest are marked on reading the rule, which is our derivation and not the department’s. A rule that serves the section silently and that we have missed will not appear here.

All of them are in the Rules 2026 index.

Circulars of the Board on this section

A circular binds the department, not you and not a court. Every one below was written under the 1961 Act; it reaches this section because the department’s own concordance carries the provision it names to this one.

See every circular and notification on this section, or the circulars index.

Notifications that reach this section

A notification is made under a power the Act gives and, within that power, is law. These too were made under the 1961 Act and are placed here by the department’s concordance.

See every circular and notification on this section, or the notifications index.

Case law carried across

Read this before you rely on it. Every decision below was decided under the Income-tax Act, 1961. It appears here because it is tagged to a 1961 provision that the department’s own mapping carries to section 165. That is an inference we have drawn, not a holding on the new section: where the words changed in the move, the reasoning may not survive. Treat this as the place to start looking, not as authority on the 2025 Act.

Explainers

Read with

What this page does not tell you. It does not reproduce the section. Everything above was written from the section’s own text as the Income Tax Department publishes it — the text is here, and nothing here is advice on your facts. Where a figure matters, read the sub-section it comes from.