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ITR-U: The Expensive Saviour After 31st December – A Complete Legal & Practical Guide
For most taxpayers, 31st December of the Assessment Year is not just another compliance date – it is the point of no return. Once this date is crossed, the doors of the normal return-filing framework shut firmly. It is only then that ITR-U (Updated Return) emerges as a last-resort mechanism – helpful, yes, but undeniably expensive.
This article explains, in a structured and legally precise manner, why ITR-U is a saviour, why it is costly, and why it can never be treated as a substitute for timely compliance.
A. Belated Return: The Hard Stop at 31st December
1. Statutory framework of belated returns
Where an assessee fails to furnish the return of income within the due date prescribed under section 139(1), the Act permits filing of a belated return under section 139(4). However, this is not an open-ended liberty.
2. Outer time limit is absolute
A belated return must be filed on or before 31st December of the relevant Assessment Year. This date is the final statutory cut-off.
3. Consequences of crossing 31st December
Once 31st December is crossed:
No return can be filed under section 139(1) or section 139(4)
Revision under section 139(5) becomes legally impossible
The assessee permanently exits the normal return-filing framework
Importantly, this deadline has not been extended, diluted, or relaxed even after the introduction and subsequent expansion of section 139(8A). The law is explicit and uncompromising.
B. Revised Return: A Conditional and Dependent Right
1. Revision is not an independent remedy
A revised return under section 139(5) is available only if a return has already been filed – either under section 139(1) or section 139(4). No original return, no revision.
2. Co-terminous deadline
The time limit for filing a revised return is co-terminous with the belated return deadline, i.e. 31st December of the Assessment Year.
If no return exists by that date, the right to revise never comes into existence at all. This distinction is crucial and often misunderstood.
C. Updated Return (ITR-U): The Saving Grace After the Deadline
1. A fundamentally different compliance window
The introduction of section 139(8A) has materially altered the compliance landscape. The law now permits filing of an updated return (ITR-U) up to 48 months from the end of the relevant Assessment Year.
However, this is not an extension of the original or belated return regime. It is a separate, penal disclosure mechanism, designed to bring escaped income into the tax net after all normal remedies have expired.
2. Nature of ITR-U
ITR-U is not a matter of right or convenience. It is a concession granted by the statute, subject to strict conditions and significant financial consequences. It exists to encourage voluntary compliance – but at a cost.
D. The Price of Delay: Additional Tax on ITR-U
1. Mandatory pre-conditions
Before furnishing ITR-U, the assessee must mandatorily pay:
Tax on the updated income
Interest under sections 234A, 234B and 234C, wherever applicable
Only after full payment can the updated return be filed.
2. Graduated additional tax — the real deterrent
Over and above tax and interest, the statute levies graduated additional tax on the aggregate of tax plus interest:
25% additional tax if filed within 12 months from the end of the Assessment Year
50% additional tax if filed after 12 months but within 24 months
60% additional tax if filed after 24 months but within 36 months
70% additional tax if filed after 36 months but within 48 months
This sliding scale clearly reflects legislative intent: the longer the delay, the heavier the price.
E. Legal Barriers: When ITR-U Is Not Allowed
ITR-U is not universally available. The law places clear prohibitions.
1. Substantive restrictions
An updated return cannot be filed if it:
Results in a refund
Reduces total tax liability
Converts income into loss
Reduces or enhances a declared loss
ITR-U is strictly for upward correction of income, never for relief.
2. Procedural and enforcement bars
ITR-U is also barred once:
Assessment, reassessment, search, or survey proceedings are initiated
Information under international exchange mechanisms is received and communicated to the assessee
Prosecution proceedings have commenced under the Act
Once the Department moves first, the window for voluntary correction closes.
Conclusion: Compliance First, Cure Later – at a Cost
ITR-U is a saviour, but an expensive one. It rescues taxpayers who miss the 31st December deadline, but it does so with substantial financial sacrifice and strict limitations.
The statutory message is clear:
31st December remains the final exit gate for normal compliance
ITR-U is not a planning tool, nor a substitute for timely filing
It is a penal concession, meant to tax escaped income, not to provide comfort
Taxpayers should treat ITR-U as a safety net, not a strategy. In tax law, delay is not merely procedural – it is costly, irreversible, and often avoidable.
This article is intended for educational and informational purposes and reflects the law as applicable at the time of writing.

