When Will ITR Filing Start for AY 2026-27?

You should select AY 2026-27 for FY 2025-26 income. Even if utilities open earlier, many salaried taxpayers should wait until Form 16 and updated TDS/AIS data are available so refund claims do not mismatch.

Reddit-style answer to when AY 2026-27 ITR filing opens, why many taxpayers wait for Form 16, AIS, TIS, and Form 26AS, and what to prepare first.

Key Highlights

What this guide covers

Every April, the same question circulates in salary groups and finance forums: has AY 2026-27 ITR filing opened yet, and should I file right away? This guide answers both parts. It covers when the filing window typically becomes usable, why many salaried taxpayers are better off waiting a few weeks, what documents to gather in the meantime, and the mistakes that lead to refund delays or defective returns.

The underlying principle is simple. For FY 2025-26 income, you must select AY 2026-27 on the portal. That sounds obvious, but in practice many taxpayers confuse the financial year of income with the assessment year of filing, and that single error can send the entire return off track. Once the year is right, the rest of the work is reconciliation: match your income and deductions against source documents, check tax credits, and only then file.

Why taxpayers ask this question

Recent discussions ask whether AY 2026-27 filing is already live and whether salaried employees should wait for Form 16 before starting. The question has texture because several things happen at different times: the ITR utilities become available, employers issue Form 16 (the legal deadline is 15 June each year), banks and brokers file TDS returns, AIS gets updated with fresh data, and the due date for non-audit individual taxpayers falls on 31 July. None of these happen together.

Three categories of confusion recur. First, timing confusion: taxpayers assume the portal opening date and the Form 16 issue date are the same event. They are not. Second, eligibility confusion: whether ITR-1, ITR-2, ITR-3, or ITR-4 is right, and which regime or correction route applies, all depend on the taxpayer's specific situation. Third, evidence confusion: a bank credit, broker statement, Form 16, Form 16A, AIS entry, Form 26AS credit, and a final return computation are different documents proving different things.

The honest answer is almost never a single sentence. It requires checking the assessment year, identifying every income head, confirming tax credits, and then filing using the route the law permits.

What the rules require

The income tax portal requires the correct assessment year and the applicable notified ITR form. For income earned during FY 2025-26, the relevant return is AY 2026-27 under the Income Tax Act, 1961. The department's transition guidance confirms that this filing continues under the 1961 framework.

From a practical standpoint, build the return around the law, form instructions, and portal utilities that apply to AY 2026-27 — not a general assumption about "the current year." AIS and TIS tell you what has been reported about your income. Form 26AS shows TDS, TCS, advance tax, and self-assessment tax credits mapped to your PAN. Form 16 and Form 16A reconcile the TDS your employer and other deductors have deducted. Broker, bank, payroll, and foreign account statements back up the figures that go into the return schedules.

If official records are incomplete or contain errors, do not copy them blindly. Check the underlying documents, submit AIS feedback where an entry is wrong, ask the deductor to file a correction where TDS is missing, and note your reasoning. If the official records are accurate but your own documentation is thin, fill that gap before filing.

Documents to keep ready

This table is a pre-filing checklist, not a retrospective audit list. Portal prefill can give you a useful starting point, but verify every figure against your own documents before submitting.

A practical example

If your employer issues Form 16 in June 2026 and your bank's TDS on fixed deposit interest only appears in Form 26AS after the Q4 TDS return is processed, filing after those records are visible is almost always cleaner than filing on the first day the utility opens. Rushing saves a few days; the mismatch that results can take weeks to sort out.

Work through any filing in three passes. First, confirm the income period and assessment year. Second, identify which ITR form and which schedule can legally report the income. Third, compare TDS deducted, advance tax paid, and tax payable against each other. If all three align, the return is ready for final review. If any pass fails, stop before submitting, because that gap is where notices, refund delays, and defective returns originate.

The records will vary by taxpayer type. For a salaried person: Form 16, monthly payslips, AIS, Form 26AS, bank interest certificate, rent proof, housing loan certificate, and investment proofs. For an investor: broker capital gains reports, mutual fund statements, dividend entries, STT details, and AIS securities data. For a freelancer or business owner: invoices, bank statements, Form 16A, GST returns, expense records, and books. For foreign-asset cases: foreign bank statements, ₹U or ESPP statements, broker reports, foreign tax certificates, exchange-rate support, and Form 67.

Filing checklist

• Confirm AY 2026-27 on the portal.
• Collect Form 16 or Form 16A.
• Download AIS, TIS, and Form 26AS.
• Check bank account validation before expecting a refund.
• Use the correct ITR form.

Clear each item before submission, not after. Every checklist point should have a document, a computation note, or a deliberate "not applicable" decision behind it. This discipline matters particularly when the return involves a refund, a notice, foreign disclosures, capital gains, a regime choice, or a correction route.

Before the final click, review the return preview: name, PAN, assessment year, bank account, filing section, regime selection, ITR form, schedule count, taxable income, TDS, self-assessment tax, refund or demand amount, and e-verification mode. A five-minute check of the preview catches most avoidable errors.

Which route should you use?

The route matters as much as the answer. Paying a demand, filing a revised return, using ITR-U, submitting AIS feedback, raising a grievance, and replying to a notice are distinct actions. Pick the one that matches the document you have and the statutory window that is still open.

Common mistakes to avoid

• Selecting the wrong assessment year on the portal.
• Filing before TDS credits are visible in Form 26AS or AIS.
• Assuming portal prefill captures every income source accurately.
• Skipping e-verification after submission.

The costliest mistakes are often route mistakes rather than arithmetic errors. Filing ITR-1 when ITR-2 or ITR-3 is required produces a defective return. Using ITR-U to reduce tax or increase a refund fails because updated returns carry legal restrictions. Claiming TDS without disclosing the related income delays the refund. Ignoring Schedule FA on grounds that the foreign amount is small can trigger serious disclosure consequences. Choosing a regime without checking deduction eligibility, business income implications, or Form 10-IEA requirements can create an unnecessary demand or cause a benefit to lapse.

Another common problem is treating portal data as final too early in the season. AIS, Form 26AS, and TIS are updated progressively as deductors, banks, brokers, and other reporting entities submit or correct their statements. If the return depends on a large refund or a contested entry, waiting for cleaner data — or building a clear evidence file — is nearly always the better approach.

Finally, filing without keeping a working file is a risk in itself. The acknowledgement alone is not enough. Preserve the computation, statements, proofs, screenshots, challans, and any correspondence. When a notice arrives months later, the taxpayer who can reconstruct the return quickly is in a far stronger position than one who has only a PDF acknowledgement.

Documents and evidence to keep

Maintain a dedicated folder for this filing. At minimum it should contain Form 16 or Form 16A where applicable, AIS, TIS, Form 26AS, bank statements, investment statements, deduction proofs, challans, and the final ITR acknowledgement. If the return involves capital gains, add broker statements and transaction reports. For foreign assets or foreign tax credit, include foreign account statements, tax certificates, exchange-rate workings, and Form 67. For notices, add the intimation, the notice PDF, the response acknowledgement, and any rectification or revised-return computation.

Use descriptive file names: "AY-2026-27-AIS.pdf", "Form-16-employer-name.pdf", "Capital-gains-broker-report.xlsx", "143-1-intimation-response.pdf". Sensible names save time when a CA reviews the case or the department requests details later.

How to decide the next action

If the return has not yet been filed, complete reconciliation first and then submit the correct form. If it has been filed but the revision deadline is open, check whether a revised return is the right correction path. If the issue is only a processing mismatch, rectification may be appropriate. If the filing window has closed and additional income or tax must be disclosed, an updated return can be considered within its statutory restrictions. If there is a notice, read it before deciding on any route.

Paying a demand, filing a revised return, filing ITR-U, submitting AIS feedback, and raising a grievance are not interchangeable. Each addresses a different situation. Choose based on the document in front of you and the time limit that applies.

Useful MyeCA tools

• Start ITR form selection
• Check AIS data

These tools work best once the facts are organised. The ITR form selector is most useful when all income heads are identified. The AIS viewer is most useful when you are cross-checking each reported item against your own records. Expert consultation is most useful when a judgment call is involved — regime selection, form selection, a correction route, a foreign disclosure, a notice response, or the treatment of trading income.

When to get expert help

CA review makes sense when the case involves capital gains, trading income, foreign assets, foreign tax credit, freelance or business income, a large refund, an AIS mismatch, a demand notice, a defective return notice, or genuine uncertainty about which ITR form applies.

Expert review is also worth it when the tax amount is modest but the compliance risk is not. Wrong ITR form selection, missed business income, foreign asset gaps, defective return notices, and invalid correction routes can snowball into problems much larger than the original tax. A useful CA review does not just populate fields — it explains the filing position, checks the evidence, and leaves you with a computation you can defend.

Final takeaway

Use AY 2026-27 for FY 2025-26 income. Wait for complete TDS data if you are claiming refund. Filing is not complete until e-verification.

This is one part of a complete AY 2026-27 filing. A clean return is not produced by any single answer; it comes from consistent treatment across income, credits, schedules, deductions, and declarations throughout the document. If the facts are straightforward, the checklist is probably enough. If they are complex, disputed, or high-value, have the position reviewed before you file.

CA Technical Notes

For ITR filing topics, the technical review starts with assessment year, residential status, income heads, form eligibility, prefilled data accuracy, e-verification status, and whether the return is original, belated, revised, or updated. The reviewer must confirm that the selected ITR form supports every income type and schedule required for that taxpayer.

For this specific topic, document the working position for "When Will ITR Filing Start for AY 2026-27?" using the taxpayer's actual facts, the chosen AY 2026-27 form, the records used in computation, and the reason each major figure appears in the return. Note explicitly whether the issue affects form selection, income classification, deduction eligibility, tax-credit matching, refund timing, notice response, or a disclosure schedule.

The minimum evidence file must include the source document behind the answer, the calculation sheet, relevant portal screenshots or downloads, and proof for every adjustment. Where the position depends on timing — AIS updates, Form 16 issue date, revised return deadline, ITR-U restrictions, e-verification, or a notice-response window — write the date next to the decision. Where it depends on classification — capital gains versus business income, resident versus non-resident, old regime versus new regime, foreign income versus Indian receipts — record the reason for that classification before filing.