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September 26, 2026
TDS and TCS Compliance Calendar October 2026: Compliance Guide
Introduction
The TDS and TCS Compliance Calendar October 2026 provides an overview of important tax deduction and collection obligations applicable to deductors and collectors. It helps businesses, government offices and other eligible taxpayers track monthly tax payments, quarterly statement filings and certificate issuance requirements.
October 2026 includes key TDS and TCS compliances related to tax deducted or collected during September 2026 and quarterly reporting for the second quarter of FY 2026-27. Timely compliance helps taxpayers avoid interest liability, late filing fees, mismatched tax credits and unnecessary compliance issues.
Quick Insights
- TDS and TCS obligations in October 2026 include tax payment, quarterly statement filing and certificate issuance requirements.
- Form 138, Form 140 and Form 144 cover different TDS reporting requirements based on the nature of payment and deductee category.
- Form 143 is applicable for quarterly TCS statement filing by eligible collectors.
- Form 133 is issued to provide TCS certificates for tax collected during the relevant quarter.
- Accurate reconciliation of challans, PAN details and reported transactions helps prevent tax credit mismatches and compliance notices.
Important Due Dates in the TDS and TCS Compliance Calendar October 2026
|
Due Date |
Compliance |
Form |
Period |
Applicable To |
|
07/10/2026 |
TDS Payment | Challan ITNS-281N | September 2026 | TDS deductors |
| 07/10/2026 | TCS Payment | Challan ITNS-281N | September 2026 |
TCS collectors |
|
15/10/2026 |
TCS Return Filing | Form 143 | Q2 FY 2026-27 | TCS collectors |
| 31/10/2026 | TDS Return Filing (Salary) | Form 138 | Q2 FY 2026-27 |
TDS deductors |
|
31/10/2026 |
TDS Return Filing (Non-Salary Residents) | Form 140 | Q2 FY 2026-27 | TDS deductors |
| 31/10/2026 | TDS Return Filing (Non-Residents) | Form 144 | Q2 FY 2026-27 |
TDS deductors |
Disclaimer: Under the new Income Tax Act framework, existing TDS and TCS compliance forms have been renumbered. TDS return forms 24Q, 26Q and 27Q have been replaced by Form 138, Form 140 and Form 144 respectively, while TCS return filing is covered under Form 143 and TCS certificate issuance under Form 133.
Penalty, Interest and Consequences of Non-compliance
|
Compliance |
Late Fee / Penalty |
Interest |
Consequences of Delay |
|
TDS Payment (Challan ITNS-281) |
Penalty may apply for failure to deduct or deposit TDS as per applicable provisions. | Interest: 1% per month or part thereof for failure to deduct TDS and 1.5% per month or part thereof for delay in depositing deducted TDS. |
Deductor may be treated as assessee in default. Recovery proceedings, interest liability and other applicable consequences may arise. |
|
TCS Payment (Challan ITNS-281) |
Penalty may apply for failure to collect or deposit TCS as per applicable provisions. | Interest may apply for delayed collection or deposit of TCS as per applicable provisions. |
Collector may be liable for recovery of TCS amount, interest and other consequences for default. |
|
TCS Return Filing (Form 143) |
Late filing fee under applicable provisions may apply for delay in furnishing TCS statements. | Interest may apply if collected TCS is not deposited within the prescribed timeline. |
Delay may affect TCS credit availability to buyers and may result in compliance notices. |
|
TCS Certificate Issue (Form 133) |
Penalty may apply for failure to issue the prescribed certificate within the required time. | Interest is generally not applicable for delayed certificate issuance. |
Delay may affect the buyer’s ability to verify TCS details and claim corresponding credit. |
|
TDS Return Filing – Salary (Form 138) |
Late filing fee may apply under applicable provisions for delay in furnishing TDS statements. | Interest may apply on delayed deduction or deposit of TDS. |
Delay may affect processing of TDS records and issuance of salary-related certificates. |
|
TDS Return Filing – Non-Salary Residents (Form 140) |
Late filing fee may apply for delayed submission of TDS statements. | Interest may apply for failure to deduct or delayed deposit of TDS. |
Deductee credit may be affected and compliance defaults may appear in TDS records. |
|
TDS Return Filing – Non-Residents (Form 144) |
Late filing fee may apply for delayed submission of TDS statements. | Interest may apply for delayed deduction or payment of TDS. |
Continued default may lead to demand proceedings and other applicable actions. |
Interest Calculation
1. Interest for Failure to Deduct / Collect TDS or TCS
Interest = Tax Amount × 1% × Number of months or part of the month of delay
- Applicable when TDS/TCS is not deducted or collected within the prescribed time.
- Interest is calculated from the date on which tax was deductible/collectible until the date on which it is actually deducted/collected.
2. Interest for Delay in Deposit of Deducted / Collected TDS or TCS
Interest = Tax Amount × 1.5% × Number of months or part of the month of delay
Applicable when TDS/TCS has been deducted or collected but is not deposited with the Government within the prescribed time.
Interest is calculated from the date of deduction/collection until the date of actual payment.
Notes:
Interest is calculated for every month or part of a month of delay.
Late filing fee and interest are separate consequences.
Interest liability should be paid before completing the applicable TDS/TCS compliance.
Simplify Your October 2026 TDS and TCS Compliance with Ebizfiling
Managing TDS and TCS compliance requires accurate tax deduction or collection, timely payment, correct reporting and proper maintenance of supporting records.
Different forms apply based on the nature of payment, taxpayer category and reporting requirement.
A delay in depositing tax, incorrect challan details or reporting errors can result in interest liability, late fees, tax credit mismatches and additional correction requirements.
Ebizfiling assists businesses with complete TDS and TCS compliance support, including tax payment verification, challan reconciliation, statement filing, correction assistance and certificate-related compliance under the Income Tax Act, 2025.
Stay compliant with your October 2026 TDS and TCS obligations with professional assistance from Ebizfiling.
Conclusion
The TDS and TCS Compliance Calendar October 2026 highlights important compliance requirements for deductors, collectors and other applicable taxpayers, including tax payments, quarterly statement filing and certificate issuance.
Businesses should verify deduction or collection details, PAN information, challan records and transaction data before completing their applicable compliance. Timely reconciliation helps ensure accurate reporting, avoid interest and late fees, and maintain proper tax credit records.
For a complete overview of monthly statutory obligations, explore our Compliance Calendar October 2026, covering GST, Income Tax, TDS and TCS, PF and ESI, LLP, OPC and company compliance deadlines.
Suggested Reads:
Compliance Calendar September 2026
TDS and TCS Compliance Calendar September 2026
GST compliance Calendar October 2026
Company Compliance Calendar October 2026
Frequently Asked Questions
1. How can a deductor identify which TDS return form is applicable?
The applicable TDS return form depends on the nature of payment, deductee category and reporting requirement. Different forms are prescribed for salary payments, resident non-salary transactions and non-resident transactions.
2. What is the difference between TDS payment and TDS return filing?
TDS payment refers to depositing the deducted tax amount with the Government through the applicable challan. TDS return filing involves reporting deduction details, challan information and deductee-related records through the prescribed statement.
3. What happens if deducted TDS is deposited late?
If deducted TDS is not deposited within the prescribed timeline, interest applies at 1.5% per month or part thereof from the date of deduction until the date of actual payment. The deductor may also face other applicable consequences for default.
4. Is late filing fee applicable for delayed TDS or TCS statement filing?
Yes. Delay in furnishing TDS or TCS statements may attract a late filing fee of ₹200 per day under the applicable provisions, subject to the prescribed limit.
5. Can incorrect PAN details affect TDS or TCS compliance?
Yes. Incorrect or invalid PAN details may result in incorrect reporting, tax credit mismatches, correction requirements and issues in reflecting the deductee or collectee records.
6. What is the purpose of issuing TDS and TCS certificates?
TDS and TCS certificates provide details of tax deducted or collected and help deductees or collectees verify the tax credit available in their records. Timely issuance of applicable certificates is an important compliance requirement.
7. Can a filed TDS or TCS statement be corrected after submission?
Yes. If errors are identified after filing, deductors or collectors can submit correction statements through the prescribed process to update details such as PAN information, challan details or reported transactions.
8. What are common reasons for TDS or TCS statement mismatches?
Common reasons include incorrect PAN details, challan mismatches, incorrect tax amount reporting, wrong transaction classification or differences between payment records and statement details. Proper reconciliation helps identify and resolve such issues.
9. How can Ebizfiling help businesses manage TDS and TCS compliance?
Ebizfiling assists businesses with TDS Return Filing Services, challan verification, statement preparation, correction support and compliance review to help maintain accurate tax reporting.
10. Can Ebizfiling assist with TDS/TCS reconciliation and compliance review?
Yes. Ebizfiling helps businesses reconcile challan details, PAN information, deduction or collection records and filed statements to identify mismatches and support accurate TDS/TCS compliance.
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