Introduction

A Tax Deduction and Collection Account Number (TAN) is a regulatory requirement under Section 203A of the Income Tax Act, 1961, issued by the Income Tax Department of India to all persons responsible for deducting or collecting tax at source. Once a TAN is allotted, the deductor assumes several compliance responsibilities that must be fulfilled on a monthly and quarterly basis. These include deducting tax at source, depositing the TDS/TCS amount, and maintaining accurate records. While quarterly TDS returns are the formal reporting touchpoints, monthly activities form the foundation of TDS compliance. A structured monthly calendar helps TAN holders maintain discipline, meet deadlines, avoid penalties, and ensure smooth reporting and reconciliation.

First Week of the Month – TDS Deduction Review

The monthly compliance cycle begins by reviewing all TDS-deductible transactions made in the previous month. This includes payments for salaries, professional fees, contractor payments, interest, rent, and commissions. Businesses must validate whether the threshold limits under various sections (such as 192, 194C, 194J, 194I) have been breached, and if so, whether TDS has been appropriately deducted. This review should include checking PAN availability of deductees and the deduction rates applied. It also helps identify any missed transactions or incorrect deductions that need immediate correction.

By 7th of the Month – TDS Deposit Deadline

One of the most critical monthly compliance dates for TAN holders is the 7th of every month, by which all TDS deducted in the previous month must be deposited with the central government. For example, tax deducted in April must be paid by the 7th of May. The payment is made using Challan No. 281, and the TAN must be accurately quoted while filling this challan. Payment can be made online via the NSDL/Protean TIN portal or through authorized bank branches.

If the deadline is missed, interest under Section 201(1A) is charged at 1.5% per month or part of the month for late deposit, and such interest continues until the date of actual payment. Prompt monthly deposits ensure that deductees’ tax credits are updated in a timely manner, avoiding grievances and loss of trust.

Second Week – Record Updating and PAN Verification

After depositing the TDS, TAN holders should update their books of accounts to reflect the payments, challan details, and TDS ledgers. This is also the appropriate time to ensure that deductee PANs are correctly captured, as incorrect PAN entries can lead to short deduction defaults and impact Form 26AS credit for the payees. Verifying PAN-TAN mapping and preparing accurate deduction records is essential for successful quarterly return filing later.

Third Week – Internal Reconciliation and Error Checks

During the third week of the month, businesses should perform internal reconciliations of deducted versus deposited tax. This includes matching:

• Deduction registers against bank challans
  
• PAN entries against master data
  
• Section-wise deduction summaries for correctness
  

Any errors found at this stage can be rectified well before the quarterly return due date. Early identification of defaults helps avoid notices from the Income Tax Department and reduces the burden of corrective compliance under TRACES.

Fourth Week – Certificate Preparation and System Backup

By the end of the month, TAN holders should begin preparing Form 16A for non-salary deductions if the quarter is nearing completion. Though TDS certificates are required to be issued quarterly, having a monthly update in place ensures that information is ready and verified. The month-end is also a good time to back up all TDS records, including:

• Challans
  
• Deductee registers
  
• Payment proofs
  
• Communication logs
  
• TRACES credentials
  

These records are essential for audits, tax assessments, and responding to future notices.

Monthly TAN Compliance Communication

For organizations with multiple TANs or branches, the monthly compliance cycle should include internal reporting of TAN activities to a central compliance team. This includes sharing:

• Summary of deductions made
  
• Deposits completed
  
• Pending deductions, if any
  
• Observations from reconciliation
  

Such reporting ensures centralized monitoring, and accountability, and supports the timely filing of quarterly returns for each TAN.

Conclusion

The monthly compliance calendar for TAN is the operational backbone of a business’s tax deduction obligations. From reviewing transactions and depositing TDS by the 7th to performing reconciliations and updating records, every week has specific tasks that contribute to clean and compliant TDS management. Maintaining this monthly discipline helps TAN holders avoid late deposit penalties, mismatches in Form 26AS, and scrutiny from the Income Tax Department. It also facilitates error-free quarterly return filing and smooth issuance of TDS certificates. In a compliance-driven regulatory environment, following a robust monthly TAN calendar is not just a best practice—it is an essential pillar of responsible financial and tax governance.

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