Definition
It refers to the 6 assessment years preceding the financial year in which a search (Sec. 132) or requisition (Sec. 132A) is initiated, plus the period starting from 1 April of the financial year of search/requisition up to the date the last search authorization is executed.
It includes Money, bullion, jewellery, virtual digital assets, or other valuable items, or Income or expenditure entries in books, documents, or transactions which represent income or property not disclosed or that would not have been disclosed under the Income-tax Act. It also includes wrongly claimed expenses, exemptions, deductions, or allowances discovered during the block period.
The last authorization is considered executed:
- (a) In case of search: When the search concludes and the last Panchnama is recorded.
- (b) In case of requisition (Sec. 132A): When the authorized officer actually receives the books, documents, or assets.
Assessment of Total Undisclosed Income as a Result of Search
Computation of Undisclosed Income of the Block Period
(1) The total undisclosed income for the block period is the sum of:
- (a) Undisclosed income declared by the assessee in the return filed under Section 158BC.
- (b) Undisclosed income determined by the AO during assessment.
(2) The following will not be treated as undisclosed income of the block period:
- (a) Income already assessed or determined before the search.
- (b) Income declared in returns filed before the date of search or requisition.
- (c) Income recorded in regular books of account in the normal course for:
- (i) A previous year where the return due date has not yet expired.
- (ii) The period from 1 April of the year of search until the day before the search.
- (iii) The period from the date of search until execution of the last search authorization, if properly recorded.
- (d) Certain incomes covered under special tax provisions (e.g., sections 115A, 115G, 194P).
However, if the AO believes any such income is actually undisclosed, he may recompute it.
(3) Undisclosed income will be computed based on:
- (a) Evidence found during search or survey,
- (b) Books of account or documents seized or requisitioned, and
- (c) Other information available to or discovered by the AO during proceedings.
(4) Income relating to transfer pricing transactions (Section 92CA) for the period between 1 April of the P.Y. and the date of the last search authorization will not form part of block undisclosed income and will instead be assessed under normal provisions of the Act.
(5) For firms, undisclosed income is calculated before deducting partner remuneration, salary, interest, commission, etc. Provisions related to unexplained income or investments (Sections 68, 69, 69A, 69B, 69C) apply. Transfer pricing provisions may apply where relevant.
(6) Tax will be charged on the total undisclosed income determined for the block period as per the applicable rate.
(7) Brought-forward losses and unabsorbed depreciation cannot be set off against undisclosed income determined in block assessment. However, they can be carried forward and adjusted in future years according to normal provisions.
Procedure for Block Assessment
Section 158BC of the Income-tax Act prescribes the procedure to be followed by the AO for assessing undisclosed income for a block period when a search under Section 132 or requisition under Section 132A is conducted.
- (a) Issue a notice requiring the person searched to furnish a return of undisclosed income for the block period.
- (b) The return must be filed within the time specified in the notice, not exceeding 60 days.
However, a return filed after the specified time limit will not be treated as a return under Section 139. No notice under Section 148 (reassessment) is required for initiating block assessment proceedings. Revised return is not permitted once the return under this section is filed.
- (a) The due date for filing the return for the previous year immediately preceding the search has not expired before the search date.
- (b) The assessee is liable for audit under Section 44AB.
- (c) The accounts for that year have not been audited at the time of issuing the notice.
- (d) The assessee requests in writing for additional time to complete the audit.
- (a) Section 142 – Inquiry before assessment
- (b) Section 143(2) & 143(3) – Scrutiny assessment
- (c) Section 144 – Best judgment assessment
- (d) Section 145, 145A, 145B – Method of accounting and valuation rules
Note: Section 144C (Dispute Resolution Panel procedure) does not apply to block assessment orders.
Undisclosed Income of Any Other Person
Section 158BD deals with situations where undisclosed income detected during a search belongs to a person other than the person searched.
Time Limit for Completion of Block Assessment
Section 158BE specifies the time limit within which the Assessing Officer must complete a block assessment under Section 158BC after a search or requisition.
- (a) The period from the date of search/requisition until the seized books, documents, or assets are handed over to the Assessing Officer having jurisdiction, subject to a maximum of 180 days.
- (b) If the limitation period expires before the end of a month, it will be extended to the end of that month.
- Period during which court stay or injunction on assessment proceedings is in force.
- Time taken for exchange of information with foreign authorities under tax treaties.
- Time allowed for re-hearing under Section 129.
- Period for special audit under Section 142(2A).
- Time taken for valuation report under Section 142A.
- Time taken for proceedings relating to exempt entities under Section 10, charitable trusts under Section 12AB, GAAR proceedings under Section 144BA, or Advance Rulings under Section 245Q / 245R.
Certain Interests and Penalties Not to Be Levied or Imposed
No interest under section 234A, 234B or 234C or penalty under section 270A shall be levied or imposed upon the assessee in respect of the undisclosed income assessed or reassessed for the block period.
Levy of Interest and Penalty in Certain Cases
Section 158BFA deals with the levy of interest and penalty relating to undisclosed income determined during block assessment proceedings following a search.
- (a) The assessee files the return of undisclosed income under Section 158BC.
- (b) Tax payable on such return is paid, or the assessee allows seized money to be adjusted against the tax liability.
- (c) Proof of tax payment is submitted with the return.
- (d) The assessee does not file an appeal regarding the income declared in the return.
- (a) The assessee is given a reasonable opportunity of being heard.
- (b) If the penalty exceeds ₹2,00,000, the officer must obtain prior approval from the Additional/Joint Commissioner or Director.
Different time limits apply where Appeal to Section 246A (Commissioner Appeals), Appeal to the Income Tax Appellate Tribunal under Section 253, or Revision under Section 263 of the Income-tax Act.
- (a) Time taken to re-hear the assessee under Section 129.
- (b) Period during which court orders or injunctions stay the penalty proceedings.
- (c) If after such exclusions the remaining period is less than 60 days, it is automatically extended to 60 days.
Authority Competent to Make Assessment of Block Period
The block assessment order for the block period must be passed by AO not below the rank of:
- Deputy Commissioner or Assistant Commissioner
- Deputy Director or Assistant Director
For searches initiated or requisitions made on or after 1 September 2024 under Section 132 or Section 132A, the block assessment order cannot be passed without prior approval of one of these authorities: Additional Commissioner, Additional Director, Joint Commissioner, or Joint Director.
Application of Other Provisions of This Act
Same as otherwise provided in this chapter, all other provisions of this Act shall apply to assessment made under this Chapter.