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TDS · 4 min read

TDS Quarterly Return Reconciliation: Process and Common Errors

TDS quarterly return reconciliation requires matching three data sets in sequence: TDS deducted in the books, the return filed with the government, and the credits that appear in counterparty Form 26AS statements. When any of the three diverge, it generates either a compliance exposure for the deductor or a tax credit problem for the deductee. The Q4 return — due 31 May — is the highest-risk filing period because errors affect deductees' ITR season credits.

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Published 8 March 2026
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TDS quarterly return reconciliation is the process of verifying, before filing, that the TDS deducted in the company’s books matches the return being submitted — and verifying, after filing, that the return data flows correctly into counterparty Form 26AS records. Errors at either stage create compliance exposure and credit disruption for business partners.

What TDS Quarterly Returns Cover

Form 26Q covers non-salary TDS deductions under sections including 194C (contractor payments), 194J (professional fees), 194H (commission), 194I (rent), and 194A (interest). It is filed quarterly by every deductor making these payments. Form 27Q covers TDS on payments to non-residents under Section 195. Both forms follow the same quarterly filing schedule: Q1 due 31 July, Q2 due 31 October, Q3 due 31 January, Q4 due 31 May.

Each quarterly return contains: the deductor’s TAN and PAN, challan details for each tax deposit made during the quarter (BSR code, serial number, date, amount), and a row for each deductee with their PAN, section code, amount paid, and TDS deducted.

Three-Way Reconciliation Process

Step 1 — Books vs Return

Before preparing the return, reconcile the TDS ledger (or accounts payable aging report) against the return data. The total TDS per section in the books must match the return. Common differences arise from payments that span a month-end (accrued but not settled), TDS deducted on advance payments, or manual adjustments posted outside the standard AP workflow.

Step 2 — Return vs Challan Deposits

Each challan in OLTAS must match one or more entries in the return. Verify the BSR code and serial number for each challan deposit against the bank confirmation. TDS deposited on the 7th of the month for the prior month’s deductions must be assigned to the correct quarter in the return. Q1 covers April–June deposits; including a July 7 challan in Q1 is a common error.

Step 3 — Return vs Counterparty Form 26AS

After filing, verify that TDS credits appear in the Form 26AS records of key deductees within 10–15 business days. For large vendors or contractors with significant TDS amounts, this validation confirms the return was processed correctly.

Pre-Filing Validation Checklist

Validation StepWhat to CheckCommon Error FoundTool
Deductee PAN validationAll PANs present and validInvalid or missing PAN — FVU rejectsNSDL PAN verification or TRACES
Challan deposit verificationBSR code + serial match OLTASTransposed digits, wrong quarterOLTAS challan inquiry
Section code assignmentCorrect section for each payment type194J vs 194C confusion on mixed contractsAP category mapping
Duplicate deductee rowsNo deductee appears twice in same challanCopy-paste errors in return preparationRPU duplicate check
Aggregate amount per deducteeSum of rows matches challan totalRounding differences across rowsCross-totalling in RPU

Quarterly Filing in Practice

The Q4 return (January–March, due 31 May) carries the highest risk because it immediately precedes ITR season for most deductees. Companies that begin ITR preparation in June rely on Form 26AS credits from all four quarters being accurate. A Q4 return filed with PAN errors or challan mismatches creates a gap in Form 26AS credits that affects deductees’ claims in June and July.

Starting reconciliation preparation 10–15 working days before the 31 May deadline allows time to verify deductee PANs through TRACES portal, resolve any challan status issues, and validate the FVU file before uploading. Organisations with 200+ deductee rows per quarter find that manual reconciliation through VLOOKUP-based spreadsheets breaks down at this scale. TDS reconciliation software that maps AP data to TDS section codes, validates PANs against TRACES in bulk, and cross-checks challan deposits against OLTAS records reduces Q4 preparation time materially. Reconciliation software India platforms purpose-built for Indian compliance handle the three-way reconciliation — books, return, and Form 26AS — in a single workflow rather than across three separate tools.

Primary reference: TRACES portal — where TDS return status is verified and correction returns are filed.

Frequently Asked Questions

What is the deadline for filing a TDS return for Q4 (January–March)?
The Q4 TDS return (Form 26Q or 27Q for non-salary; Form 24Q for salary) is due on 31 May. Other quarters: Q1 (April–June) is due 31 July; Q2 (July–September) is due 31 October; Q3 (October–December) is due 31 January. These deadlines apply to the return filing, not the challan deposit. TDS must be deposited by the 7th of the following month (30 April for the March deductions).
How many days before the filing deadline should I start TDS return reconciliation?
Start at least 10–15 working days before the deadline. The most common error in quarterly filing is rushing data validation in the final 2–3 days: deductee PANs are unverified, challan serial numbers are copied from the previous quarter, and section codes are incorrectly assigned. Starting early allows time to resolve PAN invalidation errors (which NSDL's FVU rejects) and to verify challan deposits against OLTAS before the return file is prepared.
What happens if TDS is deducted but the quarterly return is not filed on time?
A late filing fee of ₹200 per day applies under Section 234E, from the day after the due date until the return is filed, subject to a maximum of the total TDS amount for that quarter. This is a mandatory fee, not a penalty that can be waived — it is calculated automatically and reflected in the TRACES demand. In addition, Form 26AS for all deductees in that return will not update until the return is filed and processed, delaying their credit claims.
Can I revise a TDS return after filing if I find errors?
Yes. Correction returns are filed on TRACES. The type depends on the error: C1 corrects deductee PAN, C2 corrects challan BSR code or serial number, C3 corrects salary/deduction details in Form 24Q. Multiple corrections can be filed, each building on the previous corrected version. There is no limit on the number of corrections, but each correction takes 3–7 business days to process, so catching errors before filing is significantly more efficient.
How do I verify that my TDS return has been accepted and processed by the department?
Log into the TRACES portal (https://www.tdscpc.gov.in) with the deductor TAN and check the return filing status. A processed return will show the status as 'processed' with a statement token number. Additionally, after processing, Form 26AS for the listed deductees will begin updating — you can verify this by checking one or two deductee PANs. If status shows 'pending' after 10 business days, contact TRACES helpdesk for the specific statement token.

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