Fact-check notes
Last fact-checked: 2026-05-26
Transition rule: AY 2026-27 covers FY 2025-26 and continues under the Income-tax Act, 1961. The Income-tax Act 2025 Tax Year terminology applies for income earned from 1 April 2026 onward.
This page is written from official portal guidance and the supplied Batch 11 brief. Any future-dated form, rule or portal workflow should be verified in the active utility before filing or advising a client.
What this covers
Companies estimate annual tax and pay advance tax in quarterly instalments. Use the correct assessment year/challan type and reconcile TDS, MAT credit and prior payments.
- Company with taxable profits.
- Startup with sudden profit.
- Company with capital gain or one-time income.
- CFO setting quarterly tax calendar.
Who this is for
- Company with taxable profits.
- Startup with sudden profit.
- Company with capital gain or one-time income.
- CFO setting quarterly tax calendar.
Documents and data to verify
- Estimated P&L.
- TDS credits.
- MAT credit if any.
- Past advance tax challans.
- Current tax computation.
Common mistakes to avoid
- Wrong assessment year in challan.
- Not revising estimates.
- Ignoring MAT credit.
- Missing capital gain timing rule.
How to proceed
- Confirm the applicable year, taxpayer type, state, registration status and portal form before acting.
- Reconcile the official portal data with books, bank statements, certificates, invoices and notices.
- Prepare a written computation, filing note, document checklist or response with assumptions clearly stated.
- Download acknowledgements, challans, workings and evidence after filing or submission.
FAQs
Can WorkIndex help with this?
Yes. Post the facts and documents; relevant experts can quote for filing, advisory, reconciliation, registration, appeal support or ongoing compliance.
Is the page a substitute for professional advice?
No. Use it to prepare. A professional should check the current portal utility, official source and records before filing or taking a tax position.
What should I mention while posting?
Mention the year, state, form, deadline, amount involved, documents available, portal status and whether you need filing, correction, opinion or representation.