FnOTax India
AY 2026-27 ICAI GN 2025 Pillar guide

F&O taxation in India.

Everything an Indian retail F&O trader needs to file accurately for assessment year 2026-27 — income classification, turnover, audit, ITR-3, losses, and return-timing mechanics.

Calculate my turnover Check audit applicability

F&O turnover — the ICAI method

GN 2025

The ICAI Guidance Note on Tax Audit under Section 44AB, revised 2025 explains the F&O turnover method for tax-audit purposes. Turnover is built from favourable and unfavourable differences — not from full contract value.

Source-backed method

F&O turnover is the total of favourable and unfavourable differences. Option-sale premium is included with an anti-double-count proviso where the broker P&L already nets premium into per-trade profit/loss.

Do not use full contract value as turnover, and do not subtract broker charges from the turnover figure. See F&O turnover for worked examples and our turnover calculator.

Audit applicability under 44AB

44AD(4) trap

Audit applicability depends on turnover and your 44AD history:

ConditionAudit required?
Business turnover exceeds the base Section 44AB(a) thresholdAudit route must be tested
Cash receipts and cash payments each satisfy the 5% condition quoted by ICAIThe Section 44AB(a) threshold can use the substituted higher amount
Section 44AD(4) applies and total income exceeds the basic exemption limitAudit under Section 44AB(e)
Loss with no turnover trigger and no 44AD lockoutLoss alone is not the audit trigger

The 44AD(4) 5-year lock-in trap is the most missed nuance. See F&O tax audit for the full decision tree and the audit applicability checker.

ITR-3 (or ITR-4 if you genuinely qualify for 44AD)

Form choice

F&O traders file ITR-3 by default, because it is the only form that supports non-speculative business income with full books. ITR-4 (Sugam) is permitted only if you declare income under 44AD presumptive and meet all 44AD eligibility conditions. Most active F&O traders should not use ITR-4 because 44AD locks you in for 5 years. See ITR-3 for traders and the form checker.

Loss set-off and carry forward

s.71 / s.72

See F&O loss hub for full set-off rules and the set-off checker.

Return timing for loss claims

s.139 / s.80
RuleSource-backed positionFiling caution
Loss carry-forwardSection 80 links carry-forward to a return filed under Section 139(3)Check the current Section 139(1) due date before filing
Return of lossSection 139(3) refers to filing within the time allowed under Section 139(1)Do not rely on old blog dates
Processing adjustmentSection 143(1)(a)(iii) allows disallowance where the relevant loss return is beyond the due dateVerify any AY-specific extension from official sources

If you have F&O losses, verify the current due date

Carry-forward depends on the return being filed within the statutory loss-return timing framework. Check the latest e-Filing portal/CBDT source before relying on a calendar date.

Penalty under Section 271B

Audit default

Failure to get accounts audited or furnish the audit report can attract a penalty under the pinned Section 271B wording of 0.5% of turnover or ₹1.5 lakh, whichever is lower.

Tools

Stop guessing. Run the numbers.

Four free calculators built on the ICAI GN 2025 method and the latest statutory thresholds — turnover, audit applicability, loss set-off, and ITR form choice.

Open all tools
Methodology

Every claim pinned to a source.

Income-tax Act 1961 + 2025, CBDT circulars, ICAI guidance, and the e-Filing portal. If we can't verify it, it does not ship.

How we verify

Frequently asked questions

Is F&O income speculative or non-speculative?
F&O income is non-speculative business income under the proviso to Section 43(5) of the Income-tax Act, 1961 (and Section 2(31)/(33) of the Income-tax Act, 2025 from AY 2026-27). It is taxed at slab rates and reported in the business head of ITR-3.
Can I set off F&O loss against my salary?
No. Business loss cannot be set off against salary income under Section 71(2A) (2025 Act s.110). Unabsorbed non-speculative business loss may be carried forward 8 years under Section 72 (s.112), subject to return-filing rules.
Do I need a tax audit just because I had F&O losses?
No. Audit applicability depends on turnover, cash receipt/payment conditions, and Section 44AD history. A loss by itself is not the audit trigger.
Does this page verify AY-specific due-date extensions?
No. It explains the statutory due-date mechanics from Section 139(1) (2025 Act s.263(1)) and loss-return rules. AY-specific extensions should be checked against current CBDT/e-Filing portal sources before filing.

More F&O taxation guides(13)