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Case law › Section 270AA

Section 270AA

Authorities that bear on section 270AA of the Income-tax Act, 1961. Each one tells you what it decided and what to do if it applies to you.

The Income-tax Act, 1961 was repealed on 1 April 2026. It still governs income earned up to 31 March 2026, and every proceeding about those years however late — assessment, reassessment, rectification, penalty, revision and appeal alike. Income earned from 1 April 2026 is governed by the Income-tax Act, 2025. What changed, and which Act governs your year →

Section 270AA — the law in short

What the courts have decided on section 270AA, in one screen. Read this first; open an entry when you need the facts, the reasoning and the source.

Listed strongest first: Supreme Court, then High Court, then Tribunal, then CBDT. Nothing here has yet been read in full by a chartered accountant — open an entry to see where it came from.

Section 270AA — 8 entries

Worked examples

Notice situations in which section 270AA does the work, taken from the first line to the last. Each step carries the authority that licenses it.
A prosecution show-cause for two years where no return was filed The department wants to prosecute me for two years I never filed. I filed as soon as they asked, and all the tax was already paid by deduction and advance tax. How much trouble am I actually in? 8 steps · 15 authorities · s.276CC, s.278E, s.279, s.139(1) A Rule 8D disallowance of Rs 1,12,40,000 against exempt income of Rs 6,40,000, and an earlier year with no exempt income at all The officer has disallowed under s.14A more than seventeen times the exempt income I actually earned, and he has done the same in a year where I earned none - how much of that survives, and does the 2022 amendment change the answer? 8 steps · 21 authorities · s.14A, s.14A(1), s.14A(2), s.14A(3) Rs 1,42,70,000 of interest disallowed across six heads, from a sister-concern advance to a line that was not commissioned The officer has disallowed my interest because the money went to a group company, to a director and into a plant that was not running - how much of that is actually sustainable, and does it matter that my own funds are four times the advances? 8 steps · 23 authorities · s.36(1)(iii), s.37(1), s.14A, Rule 8D The penalty notice says 'under-reporting / misreporting' and nothing else The s.270A notice never says which limb is charged - can the penalty be resisted on that alone? 6 steps · 11 authorities · s.270A, s.270AA, s.274

Explained in this library

What section 270aa does, in plain English, before you read what the courts made of it.

Immunity from penalty and prosecution under s.270AA

The assessment added income and started penalty. Can I pay and buy immunity instead of fighting?

s.270A and s.270AA: the statutory position

The assessment order says penalty under s.270A. What is that section, how is the amount worked out, and can I just pay and be done with it?

s.270A when the addition is nothing but a difference in valuation

The addition is the gap between my valuer's figure and the officer's. Can that be under-reporting, or misreporting?

s.274: the defective penalty notice

My penalty notice is a printed form and neither limb is struck out. Does that kill the penalty?

The 50 per cent and the 200 per cent: which limb of s.270A you are actually facing

The order proposes penalty under s.270A. Is it 50% or 200%, and what decides which?

The two limbs of s.270A: fifty per cent, or two hundred

The penalty notice cites s.270A. What is the difference between under-reporting and misreporting, and which one is a stamp-value addition?