Every deadline your business needs to hit in October 2026 — with the one date that closes the door on FY 2025-26 ITC permanently.

October 2026 is a month with consequences. The 20 October deadline for GSTR-3B is the final date to claim any unclaimed input tax credit from FY 2025-26. Miss it and that credit is gone permanently — no extension, no reversal, no recovery. The 31 October deadline brings the ITR for audit cases, Q2 TDS return, and ITR for domestic companies all due on the same day.

For QRMP taxpayers, October is also the quarter-end return month — the Q2 GSTR-3B (covering July, August, September) is due 22 or 24 October. And for monthly filers, the routine September GST cycle continues: GSTR-1 by 11 October, GSTR-3B by 20 October.

This blog covers every October 2026 compliance deadline, what each involves, what it costs to miss, and the specific actions to take before the month ends.

All October 2026 Compliance Deadlines at a Glance

The ITC Lapse Deadline: What Happens on 20 October 2026

This is the deadline that no other compliance calendar article typically explains with the clarity it deserves. So we will.

The rule: Under Section 16(4) of the CGST Act, input tax credit for FY 2025-26 can only be claimed until the earlier of the due date for the September 2026 GSTR-3B return, or the date of filing the annual GSTR-9 return for FY 2025-26.

The practical deadline: For monthly filers, the due date for September 2026 GSTR-3B is 20 October 2026. For QRMP filers, it is 22 or 24 October 2026.

What this means: Any purchase invoice from FY 2025-26 (April 2025 to March 2026) that has not been claimed as ITC in any GSTR-3B up to and including the September 2026 return is permanently gone after 20 October. The credit cannot be reclaimed, carried forward, or refunded.

TDS Compliance in October 2026

TDS Deposit — 7 October 2026

TDS deducted from all payments made in September 2026 must be deposited by 7 October. This includes salary TDS, contractor TDS, professional fee TDS, rent TDS, and any other payment where TDS applies under the Income Tax Act, 2025 (Section 393).

Section reference reminder: All TDS on payments made after 1 April 2026 is governed by Section 393 of the Income Tax Act, 2025. Challans and TDS returns must quote the new section references — not the old 194C, 194J, 194H etc. If your accounting software has not been updated, portal validation may fail.

Q2 TDS Return — 31 October 2026

The quarterly TDS return for July–September 2026 (Q2 of Tax Year 2026-27) must be filed by 31 October 2026. This is separate from the monthly TDS deposit obligation — the return is an independent filing that reports all deductions made during the quarter.

Key forms:

• Form 138: Salary TDS — employer deducting from employee salaries across all designations and salary structures
• Form 140: Non-salary TDS to residents — contractors, professionals, rent, interest, commission
• Form 143: TDS on payments to non-residents and foreign companies

What the Q2 return must reflect: All TDS deducted in July, August, and September 2026. All challans deposited for those months (typically by 7 August, 7 September, and 7 October). Any corrections to Q1 (April–June) TDS returns should be filed as revised returns separately — not mixed into Q2.

ITR Filing Deadlines in October 2026

ITR for Audit Cases — 31 October 2026

Businesses and professionals whose accounts are required to be audited under Section 44AB of the Income Tax Act, 1961 (applicable to FY 2025-26) must file their ITR by 31 October 2026. The tax audit report (Form 3CA/3CB/3CD) must have been uploaded by 30 September 2026.

Who this covers: 

• Business taxpayers with turnover above ₹1 crore (₹10 crore if cash transactions are below 5% of total)
• Professional taxpayers with gross receipts above ₹50 lakh (₹75 lakh under presumptive scheme if opted out)
• Any taxpayer who has triggered audit under other provisions (Section 44AD opted out in a previous year but income is below 8%/6%)

For directors and partners: If the company or firm requires an audit, the director or partner's personal ITR — if linked to the company's financials — may also have an October 31 deadline rather than the August 31 deadline. Verify with your CA which deadline applies to your personal return.

ITR for Domestic Companies — 31 October 2026

All domestic companies (private limited, public limited, OPC) must file ITR-6 for FY 2025-26 by 31 October 2026. This includes companies whose turnover is below the audit threshold — the company ITR deadline is October 31 regardless of whether a tax audit applies.

October Cash Flow Planning: Sequencing Your Compliance Obligations

October’s obligations are spread across the month but require planning from the first week. Here is the sequenced action plan:

What Each Missed Deadline Costs in October

October Has Deadlines That Cannot Be Extended. Let’s Make Sure You Hit Every One.

Related Reading

→ September 2026 GST, TDS & Advance Tax Calendar: Filing Made Simple

→ July 2026 GST & TDS Due Dates: Don’t Miss These Compliance Deadlines

→ Quarterly Review: How to Reconcile GST & Books Before Q2 Ends

→ Year-End Audit Preparation Checklist for Businesses (FY 2026-27)

The post What You Need to Know: October 2026 GST & TDS Filing Deadlines first appeared on CPC Services Pvt. Ltd..

A practical guide for SME owners, business directors, and individuals — understand every common notice type, what triggered it, your deadline to respond, and when to handle it yourself vs. when to involve a professional.

Receiving an Income Tax Department notice is no longer a rare event reserved for large corporations or suspected evaders. With the introduction of the Annual Information Statement (AIS), automated data matching between GST returns and ITRs, SFT (Statement of Financial Transactions) reporting from banks and registrars, and faceless assessment infrastructure — the department now has more data about your financial activities than ever before.

Most notices are not accusatory. Many are routine. A Section 143(1) intimation is sent to virtually every taxpayer after ITR processing and requires no action in most cases. But some notices are serious — and every single one has a deadline. Ignoring a notice, regardless of its type or apparent severity, is the one response that is never acceptable.

This blog covers the seven most common notice types an SME owner, director, or individual taxpayer is likely to receive — what each means, why it was issued, your response deadline, what to do, and whether you need professional help.

Notice Severity at a Glance

Not all notices require the same level of concern or the same response. Here is how to read the severity of a notice before you do anything else:

How to Check If You Have a Pending Notice

All Income Tax Department notices are issued electronically and uploaded to the e-filing portal. No notice is valid unless it has a Document Identification Number (DIN) and appears in your portal account.

Steps to check for pending notices:

• Log in to incometax.gov.in with your PAN and password
• Go to Pending Actions → e-Proceedings on the dashboard
• Any pending notices, show-cause communications, or demand notices will appear here with the section reference and response deadline
• Check your registered email — notices are also sent to the email ID linked to your PAN on the portal
• For demand notices under Section 156, also check the ‘Outstanding Demand’ section under ‘e-File → Response to Outstanding Demand’

The 7 Most Common Income Tax Notices — Explained

5 Universal Response Principles for Any Income Tax Notice

Regardless of which notice you receive, these five principles apply to every response.

1. Read the notice before doing anything else

The section reference on the notice tells you everything — what it is, how serious it is, and what your deadline is. Read the full notice PDF (download it from the portal) before taking any action. Many notices that seem alarming are routine intimations requiring no response. Many that seem routine contain a demand that must be paid within 30 days. Read before you react.

2. Authenticate the notice on the portal

Every valid notice has a Document Identification Number (DIN) issued by the Income Tax Department. Log in to incometax.gov.in → Verify Notice/Order → Enter the DIN to confirm authenticity. Fraudulent notices are common — particularly via email or WhatsApp — claiming to be from the Income Tax Department. If the DIN is not valid on the portal, the notice is not genuine.

3. Respond only to what is asked — no more

Over-disclosure is one of the most common mistakes taxpayers make. If a 142(1) notice asks for bank statements for one account, provide those statements for the period requested — not all accounts, not all years. If a 143(2) notice lists three specific issues, address those three issues. Volunteering additional information can expand the scope of the assessment and create new issues that were not originally under scrutiny.

4. Respond on the portal — not by email or post

All responses to income tax notices must be submitted through the e-Proceedings module on incometax.gov.in. Emailing or posting documents to an ITO does not constitute a valid response under the faceless assessment system. Always download and save the acknowledgement with the Transaction ID after submitting your response — it is your proof of compliance.

5. Never miss the response deadline

Every notice carries a specific deadline — 15 days for Section 139(9), 30 days for Section 143(1) demands, 7 days (extendable) for Section 148A(b) show-cause. Missing these deadlines converts a manageable situation into a much worse one. If you need more time, apply for an adjournment from within the e-Proceedings module before the deadline expires — most AOs grant one adjournment for reasonable cause.

Why Income Tax Notices Are Increasing — The Data Behind It

The increase in income tax notices is not arbitrary. It is a direct consequence of the Income Tax Department’s investment in data infrastructure over the last five years. Understanding what data they have helps you understand why you received a notice — and how to prevent the next one.

What the Income Tax Department Now Receives Automatically

• Annual Information Statement (AIS): Aggregates data from banks (savings interest, FD interest, rent paid, large withdrawals), mutual fund houses (redemptions, dividends), SEBI (stock transactions), property registrars (property purchases and sales), GST network (turnover), and 50+ other sources. Everything in your AIS is cross-checked against your ITR.
• Statement of Financial Transactions (SFT): Banks report cash deposits above ₹10 lakh, credit card payments above ₹1 lakh per month, property purchases above ₹30 lakh, mutual fund investments above ₹10 lakh, and more. All of this flows automatically into your AIS.
• GST-ITR matching: GSTN and Income Tax share data. If your GST turnover is significantly different from your ITR income without a clear explanation (exports, exempt supplies, advance tax timing), a mismatch flag is raised.
• TDS/TCS data: All TDS deducted and deposited is reflected in Form 26AS and AIS. If TDS appears on a rental payment received but no rental income is declared, the system flags it.
• High-value transaction alerts: Property registrars report all property transactions to the IT department. If you buy a property for ₹80 lakh but declare income of ₹8 lakh, the department has grounds for a Section 148 notice.

When to Handle a Notice Yourself vs. When to Involve a CA

The answer depends on the notice type, the amount in dispute, and your comfort with the portal and tax law.

How to Prevent Income Tax Notices: A Pre-Filing Checklist

Prevention is always cheaper than resolution. These are the steps that eliminate the most common notice triggers before your ITR is filed.

• Download AIS and Form 26AS immediately before filing — not weeks earlier. Both documents are dynamic and updated as deductors file TDS returns and financial institutions report transactions. The version from two weeks ago may not reflect a recently deposited TDS or a newly reported transaction.
• Reconcile every entry in AIS with your return before filing. For every income item in AIS — FD interest, rental income, capital gains, dividend — verify it is correctly reflected in your ITR. If an AIS entry is incorrect, use the AIS feedback facility to flag it before filing.
• Check that GST turnover and ITR income are reconciled and explainable. If there is a difference, prepare a written reconciliation note with specific reasons — export turnover, advance receipts, exempt supplies, etc. This document should be ready before filing, not only when a notice arrives.
• Use the correct ITR form. The most avoidable notice is Section 139(9) — defective return — caused by filing the wrong form. Verify your form selection against your income sources every year, not just in the year you first filed.
• File on time. Many notices arise from late filing — because the old tax regime option is lost, carry-forward losses are forfeited, or the department flags late filers for additional scrutiny. The 31 July and 31 August deadlines exist for good reason.

Received a Notice? Don’t Ignore It. Don’t Panic. Call Us.

Related Reading

→ September 2026 GST, TDS & Advance Tax Calendar: Filing Made Simple

→ ITR Filing 2026: Step-by-Step Guide + Common Mistakes to Avoid

→ Quarterly Review: How to Reconcile GST & Books Before Q2 Ends

→ 10 Signs Your Growing Business Needs a Virtual CFO Right Now

The post How to Avoid Costly Mistakes With Income Tax Notices first appeared on CPC Services Pvt. Ltd..

Every deadline your business needs to hit in September 2026 — explained simply, with what each filing involves and exactly what it costs to miss it.

September is the most compliance-intensive month of the financial year for Indian businesses. Three major obligations converge in a single 30-day window: GST return filings for August, the second installment of advance tax for FY 2026-27, and the monthly TDS deposit cycle. Most crucial is furnishing of Audit Report under section 44AB (of Income-tax Act, 1961 as applicable for FY 2025-2026) on or before due date i.e. 30th September 2026. A single day delay may cost a heavy penalty which may extend to 1.50 Lakh.

For businesses with turnover above ₹5 crore, GSTR-3B is due on 20 September. The advance tax second instalment — 45% of estimated annual liability, cumulative — is due on 15 September. The TDS deposit for August deductions is due on 7 September. If your business falls under all three, you have a significant cash flow obligation in a single fortnight.

This blog gives you every deadline for September 2026, explains what each involves, and gives you the penalty calculation for any you miss — so you can prioritize correctly and avoid paying a rupee more than you owe.

All September 2026 Compliance Deadlines at a Glance

This is your complete compliance calendar for September 2026. Dates shaded in blue are GST deadlines; those in green are income tax and TDS deadlines.

TDS Compliance in September 2026

TDS Deposit — 7 September 2026

Any TDS deducted from payments made in August 2026 must be deposited with the government by 7 September 2026. This applies to salary TDS (deducted monthly from employee salaries), TDS on contractor payments, professional fees, rent, interest, commission, and any other payment where TDS is applicable under the Income Tax Act, 2025.

Governing law: Since all August 2026 payments occur after 1 April 2026, TDS is now governed by Section 393 of the Income Tax Act, 2025 (not Sections 194C, 194J, 194H etc. of the old Act). When depositing TDS, ensure your challan quotes the correct new section reference. Portal validation may fail if old Act section numbers are used for post-March 2026 transactions.

Advance Tax: The 15 September Deadline Explained

The 15 September deadline is the second of four advance tax installments for FY 2026-27. It is also the most misunderstood — because the percentage required is cumulative, not just for the quarter.

What ‘cumulative 45%’ means in practice: If your estimated annual tax liability is ₹3 lakh, you must have paid a total of ₹1,35,000 by 15 September — including whatever you paid on 15 June. If you paid ₹30,000 in June (10% — below the required 15%), you need to pay at least ₹1,05,000 in September to reach the 45% cumulative threshold. The shortfall from June also attracts interest.

Who is exempt from advance tax:

• Senior citizens (above 60 years) with no business or professional income — fully exempt from advance tax
• Presumptive taxation taxpayers under Section 44AD and 44ADA (small businesses and professionals with turnover/receipts below the prescribed limits) — can pay 100% of advance tax as a single instalment by 15 March 2027
• Salaried individuals whose entire tax liability is covered by employer TDS — no advance tax required

GST Filing Deadlines in September 2026

GSTR-1: Outward Supply Return — 11 September 2026

Monthly GST filers must report all B2B and B2C invoices issued in August 2026 by 11 September. With GSTR-3B hard-locked since July 2025, GSTR-1 accuracy is more important than ever — errors cannot be corrected directly in GSTR-3B and must go through GSTR-1A before GSTR-3B is filed.

• Critical for September specifically: Any FY 2025-26 invoice that has not yet been reported or was reported with errors must be amended in September’s GSTR-1 (Table 9A). The November 2025 amendment cut-off has passed — September is the last practical window to capture FY 2025-26 output corrections before year-end.
• QRMP filers: September is the last month of Q2 (July–September). Your quarterly GSTR-1 for Q2 is not due until 13 October 2026. However, if you have B2B buyers whose ITC depends on seeing your August invoices in their September GSTR-2B, use the Invoice Furnishing Facility (IFF) before 13 September to upload those invoices for the month.

GSTR-3B: Summary Return + Tax Payment — 20 September 2026

GSTR-3B for August 2026 is due 20 September for monthly filers. This is simultaneously the most important deadline this month and the one with the most cash flow impact — particularly for businesses that also owe advance tax by 15 September.

• September-specific cash flow alert: If you owe both advance tax (15 Sep) and GSTR-3B tax payment (20 Sep), plan your liquidity carefully. Both are cash outflows within 5 days of each other. For a business with ₹50 lakh monthly GST turnover, the GSTR-3B net tax payment alone can be ₹3–8 lakh. Add the advance tax instalment and the combined cash requirement in one fortnight is material.

PMT-06: Monthly GST Payment for QRMP Taxpayers — 25 September 2026

QRMP taxpayers file GST returns quarterly but pay tax monthly. The August 2026 tax payment via Form PMT-06 is due by 25 September. The amount can be calculated using either the Fixed Sum Method (35% of previous quarter’s GSTR-3B tax) or the Self-Assessment Method (based on actual August ITC and liability). If August was a high-revenue month compared to last quarter, the Fixed Sum Method may underpay — use the Self-Assessment Method for accuracy.

Tax Audit Report Deadline — 30 September 2026

Businesses and professionals whose books are required to be audited under Section 44AB must have their Chartered Accountant sign and upload the tax audit report (Form 3CD/3CA/3CB) by 30 September 2026. The ITR filing deadline for audit cases is 31 October 2026 — which is directly dependent on the audit report being completed first.

Who this applies to:

Businesses with turnover above ₹1 crore (₹10 crore if cash transactions are below 5%), and professionals with gross receipts above ₹50 lakh (₹75 lakh under presumptive scheme). Directors of private limited companies and partners of auditable firms also need to ensure the entity-level audit is complete before their personal ITR deadline.

What Each Missed Deadline Costs You: September Edition

September’s deadlines are more expensive to miss than most months — because three of them carry compounding consequences.

Planning Your September Cash Flow: The Fortnight That Matters

For any SME owner juggling GST, TDS, and advance tax simultaneously, September requires deliberate cash flow planning. Here is the sequence of outflows and what to prepare:

September Has Three Deadlines in One Fortnight. Let’s Make Sure You Hit All of Them.

Related Reading

→ July 2026 GST & TDS Due Dates: Don’t Miss These Compliance Deadlines

→ Advance Tax September 15 Deadline: How to Calculate & Pay Correctly

→ Quarterly Review: How to Reconcile GST & Books Before Q2 Ends

→ 10 Signs Your Growing Business Needs a Virtual CFO Right Now

The post September 2026 GST, TDS & Advance Tax Calendar: What You Need to Know for Simple Filing first appeared on CPC Services Pvt. Ltd..

A decision-first guide for salaried employees, business owners, and professionals — with real numbers, a clear breakeven framework, and the one deadline most people miss.

Every year, millions of Indian taxpayers make the same mistake: they let the default decide for them. The new tax regime has been the default since FY 2023-24 — which means if you did not explicitly choose the old regime when filing your ITR or declaring to your employer, you were automatically placed in the new one, whether or not it was better for you.

For FY 2026-27, the choice matters more than ever. Budget 2026 confirmed no changes to the tax slabs — the same structure that applied in FY 2025-26 continues. That means the numbers in this guide are the numbers you plan with. The ₹12 lakh zero-tax threshold under the new regime stays. The deductions under the old regime stay. The decision framework is the same — and August is exactly the right time to make it for the full year ahead, before advance tax planning begins.

This guide gives you the framework, the numbers, and the decision — by income level and income type — so you can plan FY 2026-27 with certainty rather than guesswork.

What Changed for FY 2026-27 — And What Stayed the Same

Budget 2026 (presented February 2026) made no changes to income tax slab rates under either regime. The structure introduced in Budget 2025 — including the ₹12 lakh zero-tax threshold — continues unchanged for FY 2026-27 (Tax Year 2026-27 under the new Income Tax Act, 2025).

What stayed the same:

• New regime remains the default — you must actively opt for the old regime
• Tax slabs, rates, and Section 87A rebate are unchanged under both regimes
• Standard deduction: ₹75,000 under new regime, ₹50,000 under old regime for salaried individuals
• Section 87A rebate: ₹60,000 (new regime, income up to ₹12 lakh) and ₹12,500 (old regime, income up to ₹5 lakh)
• Surcharge cap: 25% maximum under new regime vs up to 37% under old regime for very high incomes

What changed in Budget 2026 (relevant to tax planning):

• Revised return deadline extended to 31 March 2027 (was 31 December) — more time to correct ITR errors
• TDS/TCS now governed by Income Tax Act, 2025 for transactions from 1 April 2026 onwards
• ITR-3 and ITR-4 (non-audit) get extended deadline to 31 August — more time for business filers

Tax Slab Comparison: New Regime vs Old Regime FY 2026-27

New Tax Regime Slabs (Default)

Applies to all taxpayers regardless of age. Standard deduction of ₹75,000 for salaried individuals. No other deductions or exemptions except employer NPS contribution (Section 80CCD(2)) and a few specific allowances.

CPC INSIGHT — 

Section 87A Rebate (New Regime)

The slab table above shows tax being charged from ₹4,00,001 onward — but that is not what most people actually pay.

Rebate: up to ₹60,000 under Section 87A.

If your taxable income does not exceed ₹12,00,000, the rebate cancels out the tax calculated from the slabs entirely — your final tax payable is zero.

For salaried individuals, this means gross salary up to ₹12,75,000 (after the ₹75,000 standard deduction) results in zero tax payable.

In short: Tax is calculated first using the slabs, then the rebate wipes it out below the ₹12 lakh threshold. The slab rates in the 5–10% range are not what a taxpayer under ₹12 lakh actually pays.

Surcharge: Capped at 25% for income above ₹2 crore under the new regime.

Old Tax Regime Slabs (Optional — must be actively chosen)

Allows deductions under Section 80C, 80D, 24(b) (home loan interest), HRA, LTA, and 70+ other provisions. Standard deduction of ₹50,000 for salaried individuals. Different exemption limits by age.

CPC INSIGHT 

Section 87A Rebate (Old Regime)

Rebate: Up to ₹12,500 under Section 87A.

If taxable income (after all deductions claimed) does not exceed ₹5,00,000, this rebate cancels out the tax calculated from the slabs — final tax payable is zero.

Bottom line, as confirmed for this guide: from AY 2026-27, there is zero tax up to an income of ₹12 lakh under the New Regime, and up to ₹5 lakh under the Old Regime — in both cases because the rebate, not the slab structure, is what brings the final bill to nil.

Surcharge: Up to 37% for income above ₹5 crore — highest surcharge unchanged.

Side-by-Side Tax Comparison at Key Income Levels

This table shows actual tax outgo under each regime at common income points, assuming salaried income with standard deduction applied, and no additional deductions under the old regime. Use this as a starting baseline — your actual tax depends on your specific deduction profile.

Note: Tax amounts include 4% health and education cess. Surcharge not applied (income assumed below ₹50 lakh). Old regime figures assume no deductions — add your actual deductions to get the correct comparison.

• * Tax (New Regime) — after considering standard deduction of Rs.75000.00
• ** Tax (Old Regime) —after considering standard deduction of 50000.00 & with  no other deductions claimed

The Breakeven Framework: When Does the Old Regime Win?

The breakeven point is the level of total deductions at which the old regime becomes equal to or better than the new regime. If your actual deductions exceed this level, the old regime saves more. Below it, the new regime wins.

Key Deductions and Exemptions Under the Old Regime

The old tax regime allows taxpayers to claim certain exemptions and deductions based on their income, investments and eligible expenses. The key provisions relevant to the regime comparison include:

The practical implication: If your total eligible deductions — including 80C, 80D, HRA, home-loan interest, NPS and other applicable deductions — fall below the breakeven threshold for your income level, the new regime may save more tax. If they exceed it, the old regime may be more beneficial. The right choice should therefore be based on your actual eligible deductions and complete income profile.

What You Can — and Cannot — Claim Under Each Regime

This is where most people make their mistakes. They assume the old regime is just about 80C. In reality, the deduction landscape is broader — and some people are significantly underestimating how much they can legitimately claim.

Which Regime Is Right for You: Decision by Profile

Rather than a single universal answer, here is the framework by taxpayer profile. Apply the one that matches your situation.

💼  Salaried — Income up to ₹12.75 lakh

• Zero tax if gross salary is up to ₹12.75 lakh (₹12 lakh taxable after ₹75K standard deduction)
• Section 87A rebate of ₹60,000 eliminates the entire tax liability
• No deductions needed — the regime does the work
• Simple, zero compliance effort, no investment products required

→ Talk to CPC Services

🏠  Salaried — Income ₹15–25 lakh

• Run the breakeven calculation (see table above) with your actual deductions
• If you pay significant rent in a metro city (HRA exemption ₹2–4 lakh) + max 80C + health insurance: old regime likely wins
• If you own your home outright and have modest investments: new regime likely wins
• A home loan with interest above ₹1.5 lakh strongly favours the old regime at this income level
• Do not guess — model both regimes with your actual numbers before declaring to your employer

→ Talk to CPC Services for a Regime Comparison

📈  Salaried — Income Above ₹50 lakh

• Surcharge under new regime is capped at 25%; old regime can go up to 37% above ₹5 crore
• At very high income levels, the surcharge difference alone can outweigh deduction benefits
• Exception: if you have an active home loan with substantial interest, the deduction may still favour old regime
• This decision requires a precise calculation — the numbers at high income levels move significantly
• Consult a professional before defaulting — the surcharge difference can be lakhs

→ Explore Direct Tax Advisory at CPC

💻  Freelancers and Professionals

• No HRA (unless paying rent and claiming under old regime)
• No home loan deduction under new regime (except for let-out property)
• New regime wins if deductions below breakeven for your income level
• Can switch between regimes every year (unlike business income — see below)
• Advance tax planning matters: model the full year before the 15 September Q2 deadline

→ Explore Direct Tax Advisory

🏭  Business Owners and SME Directors

• If you have business income (proprietorship, partnership, LLP, company director with salary + business income), the regime choice is NOT flexible
• Business taxpayers who choose the old regime can switch to new regime — but once they switch to new regime, they can only return to old regime ONCE in their lifetime
• This lock-in makes the decision more consequential: it is not an annual decision, it is a structural one
• The new regime removes all business-related expense deductions (beyond legitimate business expenses under Section 37)
• Most SME owners and directors benefit from a formal review before committing to either regime

→ Talk to CPC Services about Business Tax Planning

The Deadline Most People Miss: When to Declare Your Regime Choice

Choosing the right regime is only half the decision. Communicating it at the right time is the other half — and missing this has real financial consequences.

For Salaried Employees

Your employer asks for a regime declaration at the start of the financial year — typically April or at the time of joining — to determine TDS deduction from salary. If you do not declare, your employer defaults to the new regime.

• The consequence of not declaring: If you are better off under the old regime but did not declare it to your employer, TDS is deducted at new regime rates throughout the year. You can correct this when filing your ITR — but you will have paid excess TDS all year and will only get the refund after ITR processing, which can take months.
• What to do now: If you have not declared your regime choice for FY 2026-27 yet, contact your HR or payroll department. Many employers accept a revised declaration during the year, particularly before October. After October, most payroll systems lock the declaration for the year.

For Business Owners and Freelancers

Your regime choice is declared when filing the ITR, not in advance. However, if you have business income and want to claim the old regime, you must file Form 10-IE (for opting out of the new regime) before or at the time of ITR filing.

• The advance tax angle: The 15 September 2026 deadline is the second instalment of advance tax (45% of estimated annual tax). If you do not know your regime for the year, you cannot accurately estimate your advance tax — which means either overpaying (and waiting for a refund) or underpaying (and paying 1% per month interest under Section 234B/234C). This is why August regime planning has a direct cash flow consequence.

Two Real-World Comparisons

Two profiles — same income, different circumstances — to show how the decision plays out in practice.

Profile 1: Anil, 34, Software Professional, Delhi — ₹18 lakh gross salary

Profile 2: Priya, 29, Marketing Manager, Faridabad — ₹18 lakh gross salary (owns home)

Same salary. Same city (both NCR). Anil rents and claims a sizeable HRA exemption, which narrows the gap — the old regime still saves him ₹70,720. Priya owns her home with only a small loan balance, so she has far less to claim under the old regime — and for her, the new regime wins decisively, by ₹1,30,000. The decision is not about income level alone. It is about your specific deduction profile: the more you can genuinely claim under the old regime, the smaller the new regime’s advantage becomes — but at this income level, the new regime’s lower rates and higher standard deduction give it a real head start that only a substantial deduction profile can overcome.

Related Reading

• → ITR Filing 2026: Step-by-Step Guide + Common Mistakes to Avoid
• → July 2026 GST & TDS Due Dates: Don’t Miss These Compliance Deadlines
• → 10 Signs Your Growing Business Needs a Virtual CFO Right Now

The post New vs Old Tax Regime FY 2026-27: The Right Choice for You first appeared on CPC Services Pvt. Ltd..

A plain-language guide for salaried employees, freelancers, and SME owners — file your Income Tax Return for FY 2025-26 correctly, on time, without paying a rupee more than you owe.

Every July, millions of Indian taxpayers rush to file their Income Tax Return — and every July, thousands of them make the same preventable mistakes: wrong ITR form, AIS mismatches, missed deductions, forgotten interest income, and the single most costly error of all — not e-verifying within 30 days of submission.

For FY 2025-26 (AY 2026-27), there is an additional reason to pay attention. Budget 2026 introduced staggered filing deadlines for the first time, which means your deadline is no longer automatically July 31. Picking the wrong deadline for your income type can result in a late fee even if you file what you thought was on time.

This guide covers everything: who needs to file, which form applies to you, what documents to gather, the step-by-step filing process, and the eight most expensive mistakes to avoid this season.

Key ITR Deadlines for FY 2025-26 (AY 2026-27) at a Glance

This is the first year with staggered ITR deadlines. Your deadline depends on your income type and ITR form — not a single universal date.

Who Needs to File an ITR for FY 2025-26?

You are required to file an ITR if any of the following apply to you:

• Income above the basic exemption limit: ₹4 lakh under the new tax regime, ₹2.5 lakh under the old regime (₹3 lakh for senior citizens aged 60–80, ₹5 lakh for those above 80)
• You have capital gains from shares, mutual funds, or property — even if below the exemption limit
• You want to claim a tax refund on TDS deducted by your employer or bank
• You have foreign income, foreign assets, or foreign bank accounts
• Your gross sales or professional receipts exceeded ₹60 lakh or ₹10 lakh respectively
• You have deposited more than ₹1 crore in a current account or ₹50 lakh in a savings account during the year
• You want to carry forward losses (capital, business, or speculation) to set off in future years

Which ITR Form Should You File?

Choosing the wrong ITR form makes your return defective. The Income Tax Department issues a notice under Section 139(9) giving you 15 days to rectify it — and if you miss that window, the return is treated as not filed, with full late fees and penalties.

Documents to Gather Before You Start Filing

Having all documents ready before you log in to the portal saves time, prevents errors, and ensures you do not have to abandon a half-completed filing. Collect these before you start:

Identity & Basic Details

• PAN card and Aadhaar number (Aadhaar-PAN linking is mandatory)
• Bank account details with IFSC code for refund credit

Income Documents

• Form 16 / Form 16A: Issued by your employer (salary TDS) or deductors (non-salary TDS). Your employer must issue Form 16 by 15 June 2026.
• Form 26AS: Download from the Income Tax e-filing portal. This shows all TDS credited against your PAN, advance tax, and self-assessment tax paid.
• AIS (Annual Information Statement): Also on the e-filing portal. Broader than Form 26AS — includes savings interest, dividends, mutual fund transactions, property purchases, and more.
• Bank statements: For interest income on savings and FD accounts. Interest income is taxable but often forgotten.
• Capital gains statements: From your broker or depository participant for shares, mutual fund redemptions, or property sales.
• Rental income: Rent receipts and property tax paid if you own let-out property.

Deduction Proofs (if claiming under old tax regime)

• Section 80C: LIC premium receipts, PPF passbook, ELSS statements, home loan principal repayment certificate, school fee receipts
• Section 80D: Health insurance premium receipts
• Section 80G: Donation receipts with 80G certificate
• Home loan interest certificate from the bank (Section 24b)
• HRA: Rent receipts and landlord’s PAN (if annual rent exceeds ₹1 lakh)

Step-by-Step ITR Filing Process for FY 2025-26

Filing is done on the Income Tax e-filing portal at incometax.gov.in. Here is the complete process:

1. Log in and select the correct assessment year

Go to incometax.gov.in and log in with your PAN and password. Under ‘e-File’, select ‘Income Tax Returns’ → ‘File Income Tax Return’. Select Assessment Year 2026-27 (for income earned in FY 2025-26) and choose ‘Online’ mode.

2. Select your ITR form

Choose the correct ITR form based on your income type (see the form table above). The portal may suggest a form based on your per-filled data — verify it matches your actual income profile before proceeding.

3. Check and verify per-filled data

The portal pre-fills salary income from Form 16, TDS credits from Form 26AS, and additional income from AIS. Do not accept this data without verification. Cross-check every figure — salary, interest income, capital gains, TDS amounts — against your actual documents. Errors in per-filled data are your responsibility to correct before filing.

4. Reconcile AIS with Form 26AS

This is the step most people skip — and the one that causes most post-filing notices. Download both AIS and Form 26AS and compare:

• TDS credits: Must match between Form 26AS and your Form 16/16A. If TDS is missing from Form 26AS, your employer or bank has not deposited it yet — follow up before claiming the credit.
• Interest income: AIS may show FD interest your bank has reported. Ensure it is included in your return.
• Capital gains: AIS shows gross sale value of shares and mutual funds — not taxable profit. Do not use AIS figures directly as income. Calculate actual gains from your broker’s capital gains statement.
• unrecognized entries: If you see income or transactions in AIS that do not belong to you, use the AIS feedback facility on the portal to flag them before filing.

5. Choose your tax regime

This is a financial decision, not just a compliance one. For FY 2025-26:

• New Tax Regime (default): Lower slab rates, basic exemption of ₹4 lakh, Section 87A rebate making income up to ₹12 lakh effectively tax-free. No deductions under 80C, 80D, HRA, etc.
• Old Tax Regime: Higher rates but full deductions available — 80C, 80D, HRA, home loan interest, etc. Beneficial if your actual deductions are significant (typically above ₹3–4 lakh in legitimate claims).
• Critical: If you miss the filing deadline, you lose the option to choose the old tax regime. The new regime becomes default for belated returns. This alone is a strong reason to file on time.

6. Claim all eligible deductions

If you are filing under the old regime, ensure you have claimed every deduction you are entitled to:

• Section 80C: Up to ₹1.5 lakh (LIC, PPF, ELSS, home loan principal, tuition fees)
• Section 80D: Up to ₹25,000 for self/family health insurance; ₹50,000 for senior citizen parents
• Section 24b: Home loan interest up to ₹2 lakh for self-occupied property
• Section 80G: Donations to eligible charitable institutions
• HRA exemption: If you pay rent and receive HRA from your employer
• Section 80TTA / 80TTB: Savings account interest (₹10,000 for general; ₹50,000 for senior citizens)

7. Pay any balance tax due

After computing tax, if there is a balance payable (self-assessment tax), pay it online using Challan 280 on the Income Tax portal before submitting the return. Note the Challan Serial Number — you will need it during filing. Submitting an ITR with outstanding tax due without payment leads to a demand notice.

8. Submit and e-verify within 30 days

Submit the return and then e-verify it. Without e-verification, the return is treated as not filed — even if you received an acknowledgement number.

E-verification options: 

• Aadhaar OTP (fastest — instant verification)
• Net banking login
• Demat account login
• Bank account EVC (Electronic Verification Code)
• Physical signature on ITR-V sent to CPC Bengaluru (within 30 days — slowest option)

Deadline: E-verify within 30 days of submission. Missing this window means the ITR has no legal standing.

8 Common ITR Filing Mistakes That Trigger Notices or Cost You Money

These are not hypothetical errors — they are the mistakes CPC Services corrects every filing season for SME clients who come to us after filing on their own.

1. Filing the wrong ITR form

Using ITR-1 when you have F&O income (must be ITR-3), or ITR-2 when you have any business income, makes the return defective under Section 139(9). You get 15 days to fix it. Miss that and the return is treated as not filed — with full penalties. Always verify your form choice against your actual income sources before logging in.

2. Not reconciling AIS with Form 26AS before filing

AIS and Form 26AS are different documents and may show different amounts. TDS credits are validated against Form 26AS during CPC processing — not AIS. If your ITR claims TDS that appears only in AIS and not in Form 26AS, your refund will be adjusted down or a notice will follow. Always reconcile both documents before filing, using the latest versions.

3. Forgetting to report interest income

Savings account interest, fixed deposit interest, recurring deposit interest, and post office interest are all taxable and must be reported. AIS captures most of this automatically from bank reporting — but many taxpayers do not cross-check. If your ITR shows no interest income but AIS shows ₹40,000 in FD interest, expect a mismatch notice.

4. Choosing the wrong tax regime — or not choosing at all

The new tax regime is the default from FY 2024-25 onwards. If you intend to claim deductions under the old regime, you must explicitly select it before filing. Salaried employees who submitted a declaration to their employer but forget to select the old regime in the portal end up in the default new regime — losing all deduction benefits. Run the comparison before filing, not after.

5. Reporting capital gains incorrectly

AIS shows the gross sale value of shares and mutual funds — not the taxable gain. Many taxpayers mistakenly enter the gross sale value as income instead of computing the actual capital gain (sale price minus cost of acquisition minus indexed cost where applicable). This results in significantly overstated income and excess tax. For property sales, indexation benefits and Section 54 exemptions must be correctly applied.

6. Missing the e-verification deadline

This is the most avoidable mistake. Filing the return and receiving an acknowledgement number is not enough. Without e-verification within 30 days of submission, the return has no legal validity — it is treated as not filed. The e-verification step takes two minutes via Aadhaar OTP. Do it immediately after submission, not later.

7. Not reporting all income sources

The Income Tax Department now receives data from banks, mutual fund registrars, stock exchanges, property registrars, and credit card companies. Rental income managed by a family member, freelance income received in a different account, dividend income from older investments — all of it appears in AIS. If it is in AIS and not in your ITR, you will receive a notice. Report all income, even if no TDS was deducted.

8. Filing a belated return and losing old regime option

If you miss your deadline (31 July for ITR-1/ITR-2, 31 August for ITR-3/ITR-4), you lose the right to choose the old tax regime for that year. For anyone with significant 80C, 80D, or home loan deductions, this can mean paying considerably more tax. For a taxpayer with ₹2 lakh in deductions and ₹15 lakh income, the difference between regimes can be ₹50,000–₹75,000. File on time.

What Happens If You Miss the ITR Filing Deadline

Missing the 31 July deadline (for ITR-1 and ITR-2) or 31 August deadline (for ITR-3 and ITR-4) does not mean you cannot file — but it does have consequences:

When to File Yourself vs When to Involve a Professional

For most salaried individuals with a simple income profile — one employer, one or two bank accounts, standard 80C investments — self-filing on the portal is straightforward if you reconcile your AIS carefully.

Consider professional assistance if any of these apply to your situation:

• You have capital gains from multiple sources — equity, mutual funds, property, ESOP
• You have business or freelance income alongside salary
• You received ESOPs, RSUs, or equity-based compensation
• You have income from multiple employers in the same year
• You own property that was let out for part of the year
• You are an NRI or have foreign income, foreign bank accounts, or overseas investments
• You have received a scrutiny notice or demand notice in a previous year
• You have a high value of transactions appearing in AIS that you cannot easily reconcile
• You are a director in a company or a partner in a firm

Does CPC Services file ITRs for individuals and business owners?

Yes. CPC Services handles ITR filing for salaried individuals, freelancers, business owners, directors, HUFs, and firms across Faridabad and Delhi NCR — including AIS reconciliation, regime comparison, capital gains computation, and advance tax planning. We also handle cases with prior notices, demands, or complex income profiles.

→ Talk to CPC Services | Explore Direct Tax Services

Related Reading

→ July 2026 GST & TDS Due Dates: Don’t Miss These Compliance Deadlines

→ 10 Signs Your Growing Business Needs a Virtual CFO Right Now

→ Startup Budgeting 2026: How Founders Can Plan Smart for Growth

File Right. File on Time. File Once.

CPC Services handles ITR filing for individuals, business owners, and directors across Faridabad and Delhi NCR — with AIS reconciliation, regime comparison, and zero errors. Since 1987.

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The post ITR Filing 2026: How to Avoid Costly Tax Mistakes first appeared on CPC Services Pvt. Ltd..

July is one of the most deadline-heavy months in the Indian compliance calendar. GST returns for June need to be filed. TDS deposited in June must be paid to the government. And for non-salary TDS deductors, Q1 of Tax Year 2026-27 closes on 31 July — meaning the quarterly TDS return is also due this month.

Missing even one of these deadlines does not just mean a penalty. It means interest charges that compound monthly, potential notices from the GST or Income Tax department, and — in the case of TDS non-deposit — the risk of expense dis-allowance in your books.

This guide gives you every key date for July 2026, explains what each filing involves, what happens if you miss it, and what to do if you are already behind.

All July 2026 Compliance Deadlines at a Glance

Check this table first. If three or more of these apply to your business, read the full explanations below.

GST Filing Deadlines — July 2026

GST compliance in July covers the June 2026 monthly cycle and, for QRMP taxpayers, the close of Q1 (April–June 2026). Here is what each filing involves.

GSTR-1: Outward Supply Return

GSTR-1 is where you report all your sales invoices for the month. Every registered supplier must file it — and it must be done before GSTR-3B, because your buyers’ input tax credit (ITC) depends on it appearing in their GSTR-2B.

Monthly filers (turnover > ₹1.5 Cr or opted for monthly): Due 11 July 2026

• QRMP quarterly filers (turnover ≤ ₹5 Cr): Due 13 July 2026 (for the full Apr–Jun 2026 quarter)

GSTR-3B: Summary Return + Tax Payment

GSTR-3B is the most important monthly GST filing. It is a self-declared summary where you report your total output tax, claim input tax credit, and pay the net GST amount. If there is no reconciliation between GSTR-1 and GSTR-3B, you risk notices and ITC mismatches for your buyers.

Monthly filers: Due 20 July 2026

• QRMP — Category 1 states: Due 22 July 2026
• QRMP — Category 2 states (Haryana, Delhi, UP, Punjab, Rajasthan, Bihar, WB, and others): Due 24 July 2026

GSTR-7 and GSTR-8: TDS & TCS Under GST

• GSTR-7 is filed by entities that deduct TDS under GST (government bodies, PSUs, and certain notified persons). Due: 10 July 2026.
• GSTR-8 is filed by e-commerce operators who collect TCS on behalf of sellers on their platform. Due: 10 July 2026.

TDS Compliance Deadlines — July 2026

Tax Deducted at Source (TDS) has two distinct obligations: the monthly deposit of tax already deducted, and the quarterly return filing that reports all deductions made during the quarter. July 2026 is particularly important because the Q1 TDS return deadline falls on 31 July.

TDS Deposit — 7 July 2026

Any TDS deducted from payments made in June 2026 — whether salary, contractor fees, rent, professional charges, or interest — must be deposited with the government by 7 July 2026.

• Who this applies to: Any business or individual/HUF whose turnover exceeded ₹1 crore (business) or ₹50 lakh (professional receipts) in the previous year, and who made TDS-applicable payments in June.
• Important note from April 2026: TDS from 1 April 2026 onwards is governed by the Income Tax Act, 2025 — not the old Act. Section references on challans for post-March payments must use the new numbering under Section 393. If your payroll or accounting software has not been updated to reflect the new Act, your TDS returns may have incorrect section references — which can trigger validation errors.

Q1 TDS Return — 31 July 2026

The quarterly TDS return covers all deductions made between April and June 2026 (Q1 of Tax Year 2026-27). It must be filed even if TDS deposits were made on time every month — the return is a separate obligation from the monthly deposit.

Key forms: 

• Form 24Q — Salary TDS (employer deducting from employee salaries)
• Form 26Q — Non-salary TDS to residents (contractors, professionals, rent, etc.)
• Form 27Q — TDS on payments to non-residents and foreign companies
• Form 27EQ — TCS (Tax Collected at Source) on various items

Deadline: 31 July 2026

TDS on Property Purchase — 30 July 2026

If your business or any individual purchased immovable property in June 2026, TDS on that transaction must be deposited by 30 July 2026. This applies to property purchases above ₹50 lakh. The challan-cum-statement is filed as Form 26QB and must be submitted within 30 days of the end of the month in which the purchase was made.

What Happens If You Miss These Deadlines

Most SME owners understand that missing deadlines causes penalties. What many do not realize is how quickly those penalties compound — and the less obvious consequences that follow.

Already Behind? What to Do Right Now

If you have missed a GST or TDS deadline in June or earlier, the priority is simple: file now, pay the applicable late fee and interest, and put a system in place so it does not happen again. The longer you wait, the higher the penalties — and the greater the chance of a formal notice.

For GST late filing: 

• File the pending GSTR-1 or GSTR-3B immediately on the GST portal. Calculate and pay the late fee (₹50/day, capped at ₹5,000 for GSTR-3B) and 18% interest on any unpaid tax. A reconciliation should be done to ensure the pending return does not create an ITC mismatch for your buyers.

For TDS late deposit: 

• Deposit the TDS amount immediately with the applicable interest at 1.5% per month. Then file the quarterly return (Form 24Q / 26Q / 27Q) before the deadline or as soon as possible. Note: interest must be paid before the return is filed — the portal will not allow filing with outstanding interest.

For TDS return late filing: 

• Pay the ₹200/day fee (capped at the TDS amount for the quarter) and file immediately. A penalty of ₹10,000–₹1 lakh under Section 271H applies for late filing, but this can be waived if you file within one year of the due date and pay all dues.

How to Never Miss a Compliance Deadline Again

The businesses that never face penalty notices are not the ones with the largest finance teams. They are the ones with the simplest, most consistent compliance systems. Here is what works:

1. Build a monthly compliance calendar. 

Map every GST and TDS deadline relevant to your business into a shared calendar with reminders set 7 days and 2 days before each due date. July’s deadlines — 7th, 10th, 11th, 13th, 20th, 22nd/24th, 25th, 31st — are not random. They follow a predictable pattern every month. Once the calendar is set up, it runs itself.

2. Reconcile before you file, not after. 

Every GSTR-3B should be reconciled with GSTR-1 before submission. Every TDS return should be verified against payment challans. Reconciliation is not extra work — it is the work that prevents six months of notice-handling later.

3. Separate the person who deducts TDS from the person who deposits it. 

In most SMEs, TDS defaults happen because the same person responsible for making payments is also responsible for depositing TDS — and the deposit gets deprioritised when cash is tight. A simple approval workflow, or a professional partner handling TDS, solves this completely.

CPC Services acts as a compliance backbone for growing SMEs across Faridabad and Delhi NCR — managing GST filings, TDS deposits and returns, payroll compliance, and ROC deadlines as a single integrated service. Since 1987, we have ensured that our clients do not receive compliance notices. The ones who come to us after receiving a notice pay far more than those who came to us before.

→ Explore Accounting & Virtual CFO Services

→ Explore Corporate Compliance Services

→ Explore Payroll & HR Compliance

How is CPC Services different from a regular tax accountant for compliance?

A regular accountant files what is due. CPC Services builds and manages your entire compliance calendar — GST, TDS, ROC, payroll, advance tax — as a single integrated system. We reconcile before filing, flag issues before they become notices, and act as a Virtual CFO partner for businesses that have outgrown basic compliance. We have been doing this since 1987, across manufacturing, healthcare, retail, and professional services.

→ Explore Accounting & Virtual CFO Services

Related Reading

→ 10 Signs Your Growing Business Needs a Virtual CFO Right Now

→ Startup Budgeting 2026: How Founders Can Plan Smart for Growth

→ The Simple SME Accounting Checklist for a Better 2026

CPC Services manages GST, TDS, payroll, and corporate compliance for SMEs across Faridabad and Delhi NCR — so you never miss a deadline or pay an avoidable penalty.

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The post The Most Important July 2026 GST & TDS Due Dates first appeared on CPC Services Pvt. Ltd..