TDS Return Filing, Documents Your CA Needs from Clients

TDS, Tax Deducted at Source, is one of the most routine yet document-heavy compliance tasks that Indian CA firms handle each quarter. Whether your client is a private limited company paying salaries, a proprietorship making contractor payments, or an LLP dealing with rent and professional fees, the quarterly TDS return (Form 24Q, 26Q, 27Q, or 27EQ) demands accurate data backed by a clear paper trail.

The problem most CA firms face is not understanding TDS law, it is getting the right documents from clients on time. Delayed or incomplete submissions push filing past due dates, attract late fees under Section 234E, and create avoidable back-and-forth that eats into a firm's capacity during an already packed compliance calendar.

This guide lays out exactly which documents a CA needs from clients for quarterly TDS return filing, broken down by payment type, so your team can send precise, unambiguous document requests the moment a new quarter ends.

Why Document Collection Is the Bottleneck in TDS Filing

Most CA firms can complete the actual TDS return preparation, data entry in TRACES-recognised software, generating the FVU file, and uploading to the TIN-NSDL portal, within a few hours once they have clean data. The bottleneck is almost always upstream: waiting for clients to send salary registers, challans, vendor invoices, and deductee PAN details.

Clients frequently send documents over WhatsApp in multiple messages across several days, attach the wrong financial year's records, or forget to mention mid-quarter hires and new vendors entirely. By the time a CA staff member pieces together a complete picture, the filing deadline may already be dangerously close, or crossed.

The quarterly due dates are unforgiving: 31 July for Q1, 31 October for Q2, 31 January for Q3, and 31 May for Q4. Miss them and the deductor faces ₹200 per day in late filing fees, plus the risk of a defective return notice that triggers further corrections and Form 27A resubmission.

Core Documents Required for All TDS Returns

Regardless of the form type, every TDS return requires a set of foundational documents from the client:

• TAN (Tax Deduction Account Number) of the deductor, the 10-character alphanumeric number allotted by the Income Tax Department. Confirm the TAN is active and matches the entity name exactly as registered.
• PAN of the deductor, must match the TAN records on TRACES. Mismatches between PAN and TAN are among the most common causes of return rejection.
• Challan details, BSR code, date of deposit, serial number, and amount for each TDS payment made during the quarter. These should be sourced from the bank challan receipts (ITNS 281) or the OLTAS challan status on the TIN-NSDL portal.
• TDS payment receipts for each month, TDS must be deposited by the 7th of the following month (30 April for March deductions). Clients should share all three monthly payment confirmations for the quarter.

Documents for Form 24Q, Salary TDS

Form 24Q covers TDS deducted on salaries under Section 192. This is typically the most complex return because each employee's tax computation changes during the year based on declared investments, mid-year increments, and other income disclosures.

• Salary register for the quarter, showing gross salary, allowances, HRA, LTA, standard deduction, and net taxable income for each employee.
• PAN of all employees, missing or incorrect PANs result in TDS being reported at 20% and deductees unable to claim credit in their ITR. This is a major compliance risk for the employee.
• Form 12BB declarations, investment declarations submitted by employees at the start of the year, plus any revised declarations. These drive the tax computation for each individual.
• Proof of investments for Q4, in the last quarter, actual proof of tax-saving investments (ELSS receipts, LIC premium receipts, home loan interest certificates, HRA rent receipts) replaces projected declarations.
• Details of perquisites, if the company provides car, accommodation, ESOPs, or other taxable perquisites, these must be included in the salary computation.
• Joining and exit dates, for employees who joined or left during the quarter, including full and final settlement details where applicable.

A single employee with a missing PAN can cause the entire 24Q return to be processed as defective on TRACES, forcing a correction statement that costs both time and the client's reputation with their own staff.

Documents for Form 26Q, Non-Salary TDS

Form 26Q is the workhorse of TDS returns for most businesses. It covers all TDS deductions other than salary, contractor payments (194C), professional fees (194J), rent (194I), commission (194H), interest (194A), and dozens of other sections.

• Vendor and deductee master list, complete legal name, PAN, and address for every party from whom TDS was deducted during the quarter. Even a single character mismatch in a vendor's name vs. their PAN card can cause credit mismatch notices for them later.
• Invoice-wise payment details, invoice number, date, gross amount, TDS rate applied, TDS amount deducted, and date of actual payment for each transaction.
• Nature of payment and applicable section, the client should confirm whether a payment is for professional services (194J), technical services (194J at 2%), contract work (194C), rent for land/building (194I at 10%), or plant and machinery (194I at 2%), as rates differ.
• Lower deduction certificates, if any vendor has a certificate under Section 197 for nil or lower TDS deduction, the certificate number, validity period, and applicable rate must be provided.
• Payments to transporters, under Section 194C, TDS is not deducted if the transporter furnishes their PAN and is a sole proprietor. The client must confirm whether PAN was collected from all transporters.

Documents for Form 27Q, TDS on Payments to Non-Residents

Form 27Q applies when a deductor makes payments to non-resident individuals or foreign companies, royalties, technical fees, interest, or any other sum chargeable to tax in India under Section 195.

• PAN or PAN-exempt certificate, non-residents may not have an Indian PAN. In such cases, higher TDS rates apply, or the client must obtain a Form 10F and Tax Residency Certificate (TRC) from the payee to claim DTAA benefit.
• DTAA treaty details, the applicable Double Taxation Avoidance Agreement country, the treaty rate claimed, and the specific article under which the benefit is taken.
• Nature of remittance and purpose code, required for RBI FEMA compliance and must align with the purpose stated in Form 15CA/15CB filed before the remittance.
• Copies of Form 15CB, the Chartered Accountant's certificate under Rule 37BB, which validates the nature of the remittance and confirms TDS applicability.

Documents for Form 27EQ, TCS Returns

Form 27EQ is for Tax Collected at Source, applicable to sellers of scrap, alcohol, forest produce, motor vehicles above ₹10 lakh, and buyers making purchases exceeding ₹50 lakh under Section 206C(1H).

• Sales register with buyer-wise details, buyer name, PAN, amount of goods sold, TCS rate, and TCS amount collected.
• TCS collection receipts issued to buyers, buyers use these to claim TCS credit in their ITR or advance tax computations.
• Declaration from buyers claiming lower collection, for buyers who have furnished a declaration under Section 206C(1A) that the goods are for manufacturing, processing, or production, TCS should not be collected.

Supporting Documents That Are Often Overlooked

Beyond the primary transaction-level data, CA firms frequently need supporting documents that clients forget to include in their initial submission:

• Bank account details of the deductor, required for TRACES registration and for generating consolidated TDS certificates (Form 16/16A).
• Previous quarter correction details, if a correction statement for a prior quarter is pending, the original token number and details of what needs to be corrected must be shared before the current quarter's return is filed.
• Acknowledgment of previous TDS returns, TRACES provisional receipts help confirm that prior quarters are correctly filed before building cumulative challan mappings for the current quarter.
• List of new deductees added during the quarter, particularly relevant for 26Q, where new vendors are onboarded throughout the year.

How Practivo Simplifies TDS Document Collection

For CA firms filing TDS returns for dozens or hundreds of clients each quarter, the document collection process can consume as much time as the filing itself. Practivo is built specifically to remove this friction.

With Practivo, a CA firm can create a TDS document request checklist, listing every document needed for a specific client's 24Q or 26Q return, and share it as a secure, PIN-protected guest upload link. The client clicks the link, sees exactly what is needed, and uploads each document against the correct line item. No client login is required, no WhatsApp threads, and no email attachments scattered across inboxes.

Every uploaded file lands directly in a designated folder in the firm's Google Drive, organised by client and quarter. Staff members assigned to the engagement are notified instantly, and the audit log records who uploaded what and when, critical for firms that need to demonstrate due diligence during ICAI quality reviews or income tax scrutiny.

Role-based access means a junior staff member preparing the TDS return sees only their assigned client files, while the partner retains visibility across all engagements. This structure eliminates the chaotic "who sent what" problem that plagues WhatsApp-based document collection at busy CA firms.

Building a Reusable TDS Document Checklist

The most efficient CA firms treat TDS document collection as a repeatable process, not an ad hoc task. A reusable checklist, saved as a template in your practice management system, ensures nothing is missed across quarters and clients.

Your checklist template for Form 26Q might include fifteen to twenty line items, each named precisely: "Challan ITNS 281, July 2025", "Vendor PAN list, Q2 FY26", "Lower deduction certificate, if any". When you create a new document request for a client in Practivo, you pull the template, adjust the quarter-specific labels, and send the link. The client sees a clean, professional checklist rather than a wall of text in a WhatsApp message.

This consistency also makes it easier to train new staff. A freshly joined article assistant knows exactly what to ask each client because the checklist is the source of truth, not tribal knowledge passed down by a senior.