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What “issued within time” means
In an Indian reassessment matter, a limitation check asks whether the tax authority took the legally required action before the statutory outer limit expired. For proceedings under the Income-tax Act, 1961, section 148 is the provision for a notice requiring a return, while section 149 is headed “Time limit for notice.” The calculation is not simply “count years back from the day I saw the email.” It depends on the relevant assessment year, the applicable amended text of section 149, facts that may activate an extended window or exception, and which event the law treats as the notice being issued.
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Four dates may appear in the record:
- the date printed as the notice’s date of issue;
- the date on which the department generated or digitally signed it;
- the date it was dispatched or made available through the official portal; and
- the date you actually received, opened or downloaded it.
Those dates can differ. The sources available for this guide do not resolve every issue-versus-service dispute or every factual question about electronic communication. If validity turns on one of those distinctions, treat it as a legal issue rather than assuming the latest visible date wins.
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Start with the assessment year or tax year
The year connected to the income is the first control point. A notice issued after the 2026 transition may still concern an earlier year governed by the former Act. Write down the assessment year shown in the notice, the corresponding previous year if listed, and—where the notice uses the newer terminology—the tax year.
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| Situation | Framework identified by the Income Tax Department | What to verify |
|---|---|---|
| Tax year beginning on or after 1 April 2026 (Tax Year 2026–27 onward) | Reassessment provisions in the Income Tax Act, 2025, including sections 279–286. | Use the 2025 Act’s provisions and rules applicable to that tax year; do not substitute section 149 of the 1961 Act. |
| Tax year beginning before 1 April 2026 | The Department says only the Income-tax Act, 1961 provisions apply for reassessment. | Use the 1961 Act wording and amendments applicable to the particular assessment year. |
| Proceeding initiated under sections 147/148 of the 1961 Act before 1 April 2026 | Transitional provisions preserve continuation under the old Act, subject to section 149. | Confirm when the proceeding began, which notice or order started it, and the saving provision that applies. |
The 1961 Act was repealed on 1 April 2026, but transitional rules preserve treatment of earlier-year matters under the former statute. Therefore, a notice issued in 2026 is not automatically a 2025 Act notice: the underlying tax year and the transition rules control.
Identify the document before calculating anything
Do not treat every reassessment communication as the final notice whose limitation is being tested. Create a chronology and label each document precisely.
Section 148A communication or order
A section 148A step is part of the preliminary reassessment process under the 1961 Act. It may be a show-cause communication or an order passed after considering the taxpayer’s response. Record its date, but do not silently substitute it for the final section 148 notice. The legal effect of an earlier 148A document and the date of the subsequent 148 notice must be analyzed under the provisions and case law applicable to that proceeding.
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The section 148 notice is the document that requires the taxpayer to furnish a return in response to the reassessment action. Its document title, section reference, issue date, digital signature or generation details, DIN and portal record should be captured. This is normally the notice whose section 149 limitation is examined, but the controlling event date can still be contested.
Other communications
Risk-management letters, information requests, assessment orders, demand notices and portal alerts are not interchangeable with a section 148 notice. Keep them in the file, but identify the statutory provision printed on each document before using a date in the limitation calculation.
Build an evidence file from official records
Download the complete record from the taxpayer’s official income-tax account and preserve it in its original form. A screenshot alone may omit metadata or attachments.
- Save the notice PDF. Keep the file exactly as downloaded, including its filename, page count and any digital-signature panel.
- Record the DIN or other identifier. Copy it character-for-character and note where it appears on the notice.
- Capture the portal chronology. Save the communication history showing when the item was posted, viewed or downloaded, if those fields are displayed.
- Save related 148A material. Retain the preliminary notice, your response, any order and proof of submission.
- Keep delivery evidence. If the notice was sent by post, retain the envelope, tracking history and delivery record. For electronic delivery, preserve the account alert, email header and portal event information available to you.
- Make a dated log. For each event, write the source of the date—printed notice, digital signature, portal entry, dispatch record, email or personal download.
Never alter a PDF’s metadata or rely on a reprinted copy with a changed filename as your only evidence. Store a read-only copy and a working copy for annotations.
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Find the correct version of the limitation rule
Section 149 has been amended. The version that matters is the text and amendments applicable to the relevant assessment year and proceeding, not necessarily the version visible in a generic search result.
An India Code extract commonly displayed for sections 148 and 149 contains historical periods and thresholds. That extract is not sufficient evidence of the latest amended general rule. In particular, do not repeat old four-year, six-year or sixteen-year wording as if it were the current universal limitation. The Department’s transition FAQ points readers to the applicable section 149 rule but does not reproduce a complete current calculation.
Before doing arithmetic, obtain the authoritative statutory text, commencement provisions and amendments for the exact year. Check:
- the ordinary limitation window;
- any longer window available only when specified facts or thresholds are present;
- definitions of the income, asset, expenditure or books-related fact that may trigger an extension;
- exclusions, exclusions of time or special saving clauses;
- the date on which the relevant statutory period begins and ends; and
- transitional language for proceedings that crossed 1 April 2026.
If you cannot establish the current text from an authoritative source, mark the result as unverified rather than using a remembered number of years.
Calculate the deadline step by step
Use a worksheet so that each assumption can be checked independently.
- Identify the year. Enter the assessment year or tax year exactly as shown in the notice and link it to the income period concerned.
- Select the Act. Apply the 1961 Act for a tax year beginning before 1 April 2026, including saved old-Act proceedings, or apply the 2025 Act for Tax Year 2026–27 onward as directed by the Department.
- List every initiating document. Enter the dates of any section 148A communication or order and the final section 148 notice separately.
- Choose the applicable section. For an old-Act notice, locate the amended section 149 text in force for that assessment year, including any relevant proviso or exception.
- Test the facts. Determine whether the record actually supports an extended period or threshold. Do not assume that a statement in the notice is conclusive if the underlying figures are disputed.
- Determine the legally relevant event. Compare the printed issue date, generation or digital-signature date, dispatch or portal-posting date and service date. Identify which event the statute and binding decisions treat as decisive in the circumstances.
- Compute the outer limit. Apply the statutory counting method to the correct base date and document any excluded period or transition rule.
- Compare dates. State whether the relevant event falls before, on or after the calculated last permissible date. If two legally plausible event dates produce different results, report both and identify the unresolved legal question.
| Worksheet field | Entry to make |
|---|---|
| Assessment year/tax year | Exact year printed in the notice |
| Governing Act | 1961 Act or 2025 Act, with the transition reason |
| Notice provision | Section 148, or the 2025 Act provision cited |
| Preliminary step | Section 148A communication/order and date, if any |
| Notice date candidates | Printed issue, signature/generation, dispatch, portal posting and service dates |
| Limitation text | Section and amendment version used |
| Extended-window facts | Specific facts and figures supporting or defeating an exception |
| Result | In time, apparently late, or cannot be determined without resolving a legal/factual dispute |
Issue, dispatch, portal posting and service are not automatically the same
A notice can carry one date while the electronic record shows another event. The phrase “issued” may have a technical meaning in the statute, rules or binding decisions. Service may be relevant to a separate procedural question. Because the available official material does not settle every issue-date or service dispute, use a cautious chronology:
- Quote the exact date printed on the notice.
- State when it was digitally signed or generated if that information is available.
- State when it was uploaded or made available in the official account.
- State when it was delivered or first accessed, without assuming that access controls issuance.
- Explain which date you contend is legally controlling and why.
Do not argue solely that you opened the notice after the deadline. Conversely, do not assume a printed date proves timely issuance if the authority’s own record shows the document was generated later. A disputed chronology should be reviewed with the complete notice file and applicable case law.
How the 2026 transition changes the review
The Department’s current guidance draws a line at tax years beginning before 1 April 2026. For those earlier years, reassessment remains under the 1961 Act, and proceedings already initiated under sections 147/148 continue under that framework after the repeal date, subject to section 149. For Tax Year 2026–27 and later, the reassessment provisions are in sections 279–286 of the Income Tax Act, 2025.
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- Which tax year does the notice concern?
- Had a 1961 Act proceeding already been initiated before the transition?
- Which statute and limitation provision does the notice itself cite, and is that citation consistent with the transition rule?
A mismatch—such as an earlier tax year paired with a new-Act provision—should be recorded and raised promptly. It does not by itself determine validity; the transitional text and the facts of the proceeding must be examined.
Worked examples using the worksheet
Example: an earlier-year notice received in 2026
Assume a taxpayer receives a section 148 notice in July 2026 concerning a tax year that began before 1 April 2026. The taxpayer records the notice’s printed date, the portal-upload date and the download date, then confirms that the Department’s transition guidance keeps the matter under the 1961 Act. The taxpayer must next retrieve the amended section 149 wording for that assessment year and test any extended-window facts. The July download date alone does not establish lateness.
Example: a notice with a preliminary 148A order
Assume the file contains a 148A communication, a taxpayer response, a 148A order and a later 148 notice. The taxpayer should not compare the deadline only with the 148A communication. Each event belongs in the chronology, while the final notice’s limitation and any statutory requirements for the preliminary step are analyzed separately.
Example: competing electronic dates
Assume the PDF is dated 31 March, the portal shows upload on 1 April and the taxpayer downloads it on 3 April. The result depends on which event the applicable law treats as issuance and what evidence proves each event. The correct conclusion may be “factually disputed,” not an unsupported yes or no.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Common mistakes and how to correct them
Using a remembered number of years
Problem: Applying a familiar four-, six- or sixteen-year period without checking the amendment and year.
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Correction: Locate the authoritative version in force for the assessment year, including provisos, thresholds and transition language.
Confusing completion with notice issuance
Problem: Treating a question about the time to complete reassessment under the 2025 Act as the deadline for issuing the initial notice.
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Correction: Analyze the notice-issuance limitation separately from any completion deadline. They concern different procedural stages.
Counting from the download date
Problem: Assuming the taxpayer’s first access date is automatically controlling.
Correction: Preserve all event dates and determine the legally relevant one under the applicable rules.
Treating 148A and 148 as one document
Problem: Using a preliminary communication’s date as the final notice date.
Correction: Label and analyze every document separately.
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Relying on an old bare-act webpage
Problem: Quoting historical section 149 wording as current law.
Correction: Check the amendment history and the version applicable to the year in question.
Ignoring evidence of an extended window
Problem: Accepting or rejecting a longer limitation period without testing the factual threshold.
Correction: Tie each claimed exception to the return, financial statements, notice reasons and other contemporaneous records.
What to do if the notice appears late
- Download and preserve the complete notice and portal history immediately.
- Prepare the date worksheet before filing a substantive response.
- Identify the exact statutory provision and amendment version you rely on.
- State the chronology clearly, distinguishing issue, dispatch, posting, service and access.
- Raise the limitation objection through the procedure and within the response period stated in the notice or applicable rules.
- Obtain advice from a qualified Indian tax professional or lawyer where the issue depends on an exception, transition rule, digital-record dispute or binding case law.
Do not ignore the notice while investigating limitation. A taxpayer may need to preserve the objection and comply with interim procedural requirements at the same time; the appropriate response depends on the notice and current law.
When professional review is especially important
- The notice covers a year near an amendment or the 1 April 2026 transition.
- The authority relies on an extended period or a monetary or factual threshold.
- The PDF date, digital signature, portal upload and dispatch records conflict.
- The case includes a section 148A communication or order whose validity is disputed.
- The taxpayer is considering a writ, appeal, objection or other time-sensitive remedy.
- The only available statutory text is historical or does not show the amendments in force for the year.
A professional can map the chronology to the current statute and binding decisions. The Department FAQs and statute identify the framework, but they do not replace an individualized legal opinion on contested facts.
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