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Section 271 Income Tax Act 1961: Concealment Penalty and Historical Rules

Section 271 of the Income-tax Act, 1961 historically governed penalties for specified failures to comply with income-tax notices and for concealment of income or furnishing inaccurate particulars. It is particularly relevant when examining older assessment years, pending disputes and historical penalty orders.

Applicability: Under Section 271(7), this section does not apply to an assessment for assessment year 2017-18 or any later assessment year. For assessment years 2017-18 onwards under the 1961 Act, the separate under-reporting and misreporting regime is found in Section 270A. The Income-tax Act, 2025 applies from 1 April 2026, subject to its transitional and savings provisions; earlier assessment years may continue to be governed by saved provisions of the 1961 Act.

Meaning and purpose of Section 271

The provision addressed certain compliance defaults and inaccurate disclosure in the assessment process. Its historical title mentions failure to furnish returns, but various clauses were omitted or amended over time. The precise text applicable to a dispute depends on the relevant assessment year and effective dates of amendments.

Penalties under Section 271(1)

ProvisionHistorical contraventionPenalty under the version reproduced in the original page
Section 271(1)(b)Failure to comply with specified notices under sections 142 or 143, or a direction under section 142(2A), and other notices applicable to the period.Rs. 10,000 for each such failure.
Section 271(1)(c)Concealment of particulars of income or furnishing inaccurate particulars.100% to 300% of tax sought to be evaded.
Section 271(1)(d)Concealment or inaccurate particulars of fringe benefits, where the former fringe-benefits-tax regime applied.Historically linked to tax sought to be evaded.

These are historical provisions, not penalty rates to be applied automatically to a current assessment. Section 271(1)(b) should also be distinguished from other provisions addressing notice-related defaults.

Key statutory explanations

Explanation 1: Unsubstantiated or false explanation

For a material fact relevant to computation of income, an absent or false explanation, or an unsubstantiated explanation without proof of bona fides and full material disclosure, could lead to a deemed concealment consequence for the addition or disallowance.

Explanation 2: Earlier-year additions and later receipts

Where an assessee attributes a later receipt, deposit, outgoing or investment to amounts already added to income or deducted from loss in earlier years, the explanation provides rules for attributing the utilised amount to earlier years in which penalty had not been levied.

Explanation 3: Failure to furnish a return

For specified historical situations involving failure to furnish a return within the statutory period, taxable income and absence of the relevant notice, the provision created a deeming rule for concealment. Its precise conditions must be examined for the year concerned.

Explanation 4: Tax sought to be evaded

This explanation sets out how the tax base for concealment penalty was determined, including cases involving minimum alternate tax or alternate minimum tax under sections 115JB and 115JC, and cases involving losses. Its formula is generally expressed as (A - B) + (C - D) for the relevant historical version, with special adjustments and exclusions prescribed by the provision.

Explanations 5 and 5A: Search cases

These deal with deeming concealment in specified searches under Section 132, including assets and entries reflecting previously undisclosed income. Explanation 5 concerns searches initiated before 1 June 2007; Explanation 5A addresses specified searches initiated on or after that date. Relevant historical exceptions and return-filing conditions must be checked.

Explanations 6 and 7

Explanation 6 addressed specified return-processing adjustments. Explanation 7 dealt with additions or disallowances involving international transactions or specified domestic transactions and the taxpayer's demonstration of good faith and due diligence in transfer pricing.

Other subsections and historical safeguards

  • Section 271(1A): Permitted initiation of penalty proceedings connected with Explanation 2 even after completion of underlying proceedings.
  • Section 271(1B): Addressed deemed satisfaction for initiating concealment penalty where an assessment or reassessment order directed such initiation.
  • Section 271(2): Contained a historical rule for penalties involving certain firms.
  • Section 271(4): Addressed historical distributions of registered-firm profits contrary to partnership shares.
  • Section 271(5): Preserved the earlier version of the section for assessment year 1988-89 and earlier.
  • Section 271(6): Extended references to income, where applicable, to fringe benefits.
  • Section 271(7): Excluded assessment years commencing on or after 1 April 2017.

Section 271 versus Section 270A and the 2025 Act

Section 270A of the Income-tax Act, 1961 introduced a different framework for under-reporting and misreporting, including generally a 50% penalty on tax payable on under-reported income and 200% in misreporting cases, subject to statutory conditions. Section 270AA addresses immunity in qualifying circumstances. For tax years governed by the Income-tax Act, 2025, refer to the corresponding penalty provisions and applicable amendments, including Section 439, rather than treating old Section 271 as currently operative.

Practical checklist for older penalty proceedings

  1. Identify the relevant assessment year and version of Section 271.
  2. Examine the exact notice, assessment order, recorded satisfaction and penalty charge.
  3. Check whether the allegation concerns non-compliance, concealment, or inaccurate particulars.
  4. Review explanations, disclosures, evidence, computation of tax sought to be evaded and applicable limitation provisions.
  5. Verify appeal rights and any transitional or savings rules before taking action.

Official legislation and references

Read the Income Tax Department's historical Section 271 text, the official Income-tax Act, 1961 consolidated PDF and the Income Tax e-Filing portal. Statutory text and effective dates govern if a summary differs from the applicable law.

Frequently asked questions

Does Section 271 apply to assessment year 2017-18 or later?

No. Section 271(7) expressly excludes assessment years commencing on or after 1 April 2017.

What was the penalty for concealment under Section 271(1)(c)?

For the historical version described here, it ranged from 100% to 300% of the tax sought to be evaded, subject to the applicable law and facts.

Is every addition to assessed income automatically concealment?

No. The applicable statutory ingredients, explanations and the facts and evidence must be examined; an addition alone does not establish every condition for a penalty.

Historical statutory reference

The following archived extract retains the material from the previous webpage for reference. It includes editorial footnote markers from the older source and must not be treated as a current consolidated statute.

Read archived Section 271 extract from the previous webpage
1(1) If the 2 Assessing Officer or the 3 *** 4 Commissioner (Appeals) 5 or the 6 
Principal Commissioner or Commissioner in the course of any proceedings under 
this Act, is satisfied that any person
7 * * * * *
(b) has 8 *** failed to comply with a notice 9 under sub-section (2) of section 
115WD or under sub-section (2) of section 115WE or under sub-section (1) of 
section 142 or sub-section (2) of section 143 10or fails to comply with a 
direction issued under sub-section (2A) of section 142, or (c) has concealed the 
particulars of his income or 11*** furnished inaccurate particulars of 12such 
income, or 13(d) has concealed the particulars of the fringe benefits or 
furnished inaccurate particulars of such fringe benefits, he may direct that 
such person shall pay by way of penalty,
14* * * * *
15(ii) in the cases referred to in clause (b), 16in addition to tax, if any, 
payable by him, 17a sum of ten thousand rupees for each such failure;
18(iii) in the cases referred to in 19clause (c) or clause (d), 16in addition to 
tax, if any, payable by him, a sum which shall not be less than, but which shall 
not exceed 20three times, the amount of tax sought to be evaded by reason of the 
concealment of particulars of his 21income or fringe benefits or the furnishing 
of inaccurate particulars of such 21income or fringe benefits. 22* * * * *
Explanation 1.Where in respect of any facts material to the computation of the 
total income of any person under this Act,
(A) such person fails to offer an explanation or offers an explanation which is 
found by the 2 Assessing Officer or the 3 *** 4 Commissioner (Appeals) 5 or the 
6 Principal Commissioner or Commissioner to be false, or
(B) such person offers an explanation which he is 23 not able to substantiate 
and fails to prove that such explanation is bona fide and that all the facts 
relating to the same and material to the computation of his total income have 
been disclosed by him,
then, the amount added or disallowed in computing the total income of such 
person as a result thereof shall, for the purposes of clause (c) of this 
sub-section, be deemed to represent the income in respect of which particulars 
have been concealed.
24 * * * * *
Explanation 2.Where the source of any receipt, deposit, outgoing or investment 
in any assessment year is claimed by any person to be an amount which had been 
added in computing the income or deducted in computing the loss in the 
assessment of such person for any earlier assessment year or years but in 
respect of which no penalty under clause (iii) of this sub-section had been 
levied, that part of the amount so added or deducted in such earlier assessment 
year immediately preceding the year in which the receipt, deposit, outgoing or 
investment appears (such earlier assessment year hereafter in this Explanation 
referred to as the first preceding year) which is sufficient to cover the amount 
represented by such receipt, deposit or outgoing or value of such investment 
(such amount or value hereafter in this Explanation referred to as the utilised 
amount) shall be treated as the income of the assessee, particulars of which had 
been concealed or inaccurate particulars of which had been furnished for the 
first preceding year; and where the amount so added or deducted in the first 
preceding year is not sufficient to cover the utilised amount, that part of the 
amount so added or deducted in the year immediately preceding the first 
preceding year which is sufficient to cover such part of the utilised amount as 
is not so covered shall be treated to be the income of the assessee, particulars 
of which had been concealed or inaccurate particulars of which had been 
furnished for the year immediately preceding the first preceding year and so on, 
until the entire utilised amount is covered by the amounts so added or deducted 
in such earlier assessment years.
25 Explanation 3.Where any person 26 *** fails, without reasonable cause, to 
furnish within the period specified in sub-section (1) of section 153 a return 
of his income which he is required to furnish under section 139 in respect of 
any assessment year commencing on or after the 1st day of April, 1989, and until 
the expiry of the period aforesaid, no notice has been issued to him under 
clause (i) of subsection (1) of section 142 or section 148 and the Assessing 
Officer or the 27 *** Commissioner (Appeals) is satisfied that in respect of 
such assessment year such person has taxable income, then, such person shall, 
for the purposes of clause (c) of this sub-section, be deemed to have concealed 
the particulars of his income in respect of such assessment year, 
notwithstanding that such person furnishes a return of his income at any time 
after the expiry of the period aforesaid in pursuance of a notice under section 
148.
28 Explanation 4.For the purposes of clause (iii) of this sub-section,
(a) the amount of tax sought to be evaded shall be determined in accordance with 
the following formula (A - B) + (C - D)
where,
A = amount of tax on the total income assessed as per the provisions other than 
the provisions contained in section 115Jb or section 115JC (herein called 
general provisions);
B = amount of tax that would have been chargeable had the total income assessed 
as per the general provisions been reduced by the amount of income in respect of 
which particulars have been concealed or inaccurate particulars have been 
furnished;
C = amount of tax on the total income assessed as per the provisions contained 
in section 115JB or section 115JC;
D = amount of tax that would have been chargeable had the total income assessed 
as per the provisions contained in section 115JB or section 115JC been reduced 
by the amount of income in respect of which particulars have been concealed or 
inaccurate particulars have been furnished:
Provided that where the amount of income in respect of which particulars have 
been concealed or inaccurate particulars have been furnished on any issue is 
considered both under the provisions contained in section 115JB or section 115JC 
and under general provisions, such amount shall not be reduced from total income 
assessed while determining the amount under item D:
Provided further that in a case where the provisions contained in section 115JB 
or section 115JC are not applicable, the item (C - D) in the formula shall be 
ignored;
(b) where in any case the amount of income in respect of which particulars have 
been concealed or inaccurate particulars have been furnished has the effect of 
reducing the loss declared in the return or converting that loss into income, 
the amount of tax sought to be evaded shall be determined in accordance with the 
formula specified in clause (a) with the modification that the amount to be 
determined for item (A - B) in that formula shall be the amount of tax that 
would have been chargeable on the income in respect of which particulars have 
been concealed or inaccurate particulars have been furnished had such income 
been the total income;
(c) where in any case to which Explanation 3 applies, the amount of tax sought 
to be evaded shall be the tax on the total income assessed as reduced by the 
amount of advance tax, tax deducted at source, tax collected at source and 
self-assessment tax paid before the issue of notice under section 148.
29 Explanation 5.Where in the course of a 30 search initiated under section 132 
before the 1st day of June, 2007, the assessee is found to be the owner of any 
money, bullion, jewellery or other valuable article or thing (hereafter in this 
Explanation referred to as assets) and the assessee claims that such assets have 
been acquired by him by utilising (wholly or in part) his income,
(a) for any previous year which has ended before the date of the search, but the 
return of income for such year has not been furnished before the said date or, 
where such return has been furnished before the said date, such income has not 
been declared therein ; or
(b) for any previous year which is to end on or after the date of the search, 
then, notwithstanding that such income is declared by him in any return of 
income furnished on or after the date of the search, he shall, for the purposes 
of imposition of a penalty under clause (c) of sub-section (1) of this section, 
be deemed to have concealed the particulars of his income or furnished 
inaccurate particulars of such income, 31 unless,
(1) such income is, or the transactions resulting in such income are recorded,
(i) in a case falling under clause (a), before the date of the search; and
(ii) in a case falling under clause (b), on or before such date, in the books of 
account, if any, maintained by him for any source of income or such income is 
otherwise disclosed to the 32 33 Principal Chief Commissioner or Chief 
Commissioner or 34 Principal Commissioner or Commissioner before the said date ; 
or
(2) he, in the course of the search, makes a statement under sub-section (4) of 
section 132 that any money, bullion, jewellery or other valuable article or 
thing found in his possession or under his control, has been acquired out of his 
income which has not been disclosed so far in his return of income to be 
furnished before the expiry of time specified in 35 *** sub-section (1) of 
section 139, and also specifies in the statement the manner in which such income 
has been derived and pays the tax, together with interest, if any, in respect of 
such income.
36 Explanation 5A.-Where, in the course of a search initiated under section 132 
on or after the 1st day of June, 2007, the assessee is found to be the owner of-
(i) any money, bullion, jewellery or other valuable article or thing (hereafter 
in this Explanation referred to as assets) and the assessee claims that such 
assets have been acquired by him by utilising (wholly or in part) his income for 
any previous year; or
(ii) any income based on any entry in any books of account or other documents or 
transactions and he claims that such entry in the books of account or other 
documents or transactions represents his income (wholly or in part) for any 
previous year,
which has ended before the date of search and,-
(a) where the return of income for such previous year has been furnished before 
the said date but such income has not been declared therein; or
(b) the due date for filing the return of income for such previous year has 
expired but the assessee has not filed the return, then, notwithstanding that 
such income is declared by him in any return of income furnished on or after the 
date of search, he shall, for the purposes of imposition of a penalty under 
clause (c) of sub-section (1) of this section, be deemed to have concealed the 
particulars of his income or furnished inaccurate particulars of such income.
37 Explanation 6.-Where any adjustment is made in the income or loss declared in 
the return under the proviso to clause (a) of sub-section (1) of section 143 and 
additional tax charged under that section, the provisions of this sub-section 
shall not apply in relation to the adjustment so made.
38 Explanation 7.-Where in the case of an assessee who has entered into an 39 
international transaction or specified domestic transaction defined in section 
92B, any amount is added or disallowed in computing the total income under 
sub-section (4) of section 92C, then, the amount so added or disallowed shall, 
for the purposes of clause (c) of this sub-section, be deemed to represent the 
income in respect of which particulars have been concealed or inaccurate 
particulars have been furnished, unless the assessee proves to the satisfaction 
of the Assessing Officer or the Commissioner (Appeals) 40 or the Principal 
Commissioner or Commissioner that the price charged or paid in such transaction 
was computed in accordance with the provisions contained in section 92C and in 
the manner prescribed under that section, in good faith and with due diligence.
41 (1A) Where any penalty is imposable by virtue of Explanation 2 to sub-section 
(1), proceedings for the imposition of such penalty may be initiated 
notwithstanding that any proceedings under this Act in the course of which such 
penalty proceedings could have been initiated under sub-section (1) have been 
completed.
42 (1B) Where any amount is added or disallowed in computing the total income or 
loss of an assessee in any order of assessment or reassessment and the said 
order contains a direction for initiation of penalty proceedings under clause 
(c) of sub-section (1), such an order of assessment or reassessment shall be 
deemed to constitute satisfaction of the Assessing Officer for initiation of the 
penalty proceedings under the said clause (c).
(2) When the person liable to penalty is a registered firm or an unregistered 
firm which has been assessed under 43 clause (b) of section 183, then 
notwithstanding anything contained in the other provisions of this Act, the 
penalty imposable under sub-section (1) shall be the same amount as would be 
imposable on that firm if that firm were an unregistered firm.
44 * * * * *
(4) If the 45 Assessing Officer or the 46 *** Commissioner (Appeals) in the 
course of any proceedings under this Act, is satisfied that the profits of a 
registered firm have been distributed otherwise than in accordance with the 
shares of the partners as shown in the instrument of partnership on the basis of 
which the firm has been registered under this Act, and that any partner has 
thereby returned his income below its real amount, he may direct that such 
partner shall, in addition to the tax, if any, payable by him, pay by way of 
penalty a sum not exceeding one and a half times the amount of tax which has 
been avoided, or would have been avoided if the income returned by such partner 
had been accepted as his correct income; and no refund or other adjustment shall 
be claimable by any other partner by reason of such direction.
47 * * * * *
48 (5) The provisions of this section as they stood immediately before their 
amendment by the Direct Tax Laws (Amendment) Act, 1989 (3 of 1989) shall apply 
to and in relation to any assessment for the assessment year commencing on the 
1st day of April, 1988, or any earlier assessment year and references in this 
section to the other provisions of this Act shall be construed as references to 
those provisions as for the time being in force and applicable to the relevant 
assessment year.
49 (6) Any reference in this section to the income shall be construed as a 
reference to the income or fringe benefits, as the case may be, and the 
provisions of this section shall, as far as may be, apply in relation to any 
assessment in respect of fringe benefits also.
50(7) The provisions of this section shall not apply to and in relation to any 
assessment for the assessment year commencing on or after the 1st day of April, 
2017.