TDS vs TCS

The core difference

TDS is tax deducted at source by the person responsible for a covered payment. TCS is tax collected at source by the person responsible for a covered collection. Neither applies to every business transaction, and neither is a substitute for assessing the recipient’s final income-tax liability.

For each transaction identify who pays, who receives, the nature of the amount and the applicable provision. Do not classify it solely by the wording used on an invoice.

Determine applicability before choosing a rate

• Identify the payment or transaction category and the parties’ status.
• Check the applicable threshold and aggregation period.
• Determine the deduction or collection trigger under that provision.
• Review PAN information, any valid lower-rate or exemption documentation and the relevant conditions.
• Record the rate, calculation base and legal basis before configuring the accounting entry.

Apply the correct law across April 2026

The Income Tax Department’s transition guidance distinguishes events before 1 April 2026 from events governed by the Income-tax Act, 2025. The date on which money is deposited with the government does not by itself determine the governing provision.

Where a rule uses credit or payment, examine the relevant trigger rather than just the bank date. Keep old-period corrections and current-period reporting clearly identified in the working papers.

Follow the full compliance chain

After determining the amount, record the deduction or collection, deposit it using the correct particulars, file the applicable statement and provide the required certificate. Reconcile the ledger, challan and statement so that the intended taxpayer receives the correct credit.

Assign separate review points for applicability, payment and reporting. A successful bank payment does not prove that the statement contains the correct PAN or transaction details.

Prepare the evidence file

• Contract, invoice and payment or credit dates.
• Party identity and tax details, with the applicability assessment.
• Threshold calculations and any supporting declarations or certificates.
• Ledger entries, challans, statement acknowledgements and correction history.
• Certificates issued and reconciliation of reported tax credit.

Illustration of the cash-flow difference

Assume solely for illustration that a covered payment of ₹10,000 attracts a 10% deduction. The payer pays ₹9,000 to the recipient and accounts for ₹1,000 as tax to deposit. If a different covered transaction instead requires collection of ₹1,000 on a ₹10,000 amount, the collector receives ₹11,000 and accounts for the collected tax separately. These are arithmetic examples, not rates or applicability conclusions.

Resolve mismatches at their source

If tax credit is missing or incorrect, compare the identity details, period, challan mapping and filed statement. Determine whether a correction is needed rather than duplicating the payment. Keep correspondence with the deductor or collector and evidence of the eventual correction.

Review exceptions and rates for the actual transaction date. An old accounting rule or prior-year spreadsheet should not be carried forward without checking legislative changes.