Indirect Tax Laws and Practice · TDS and TCS under GST

TCS under GST: Section 52 and E-commerce Operators

Updated 11 October 2026 · Fact-checked

Under Section 52 of the CGST Act, an e-commerce operator collects tax at source from the payment due to suppliers who sell through it. The amount is a notified rate, not above 1%, on the net value of taxable supplies for the month. The operator pays it within ten days after month-end and files GSTR-8.

Understand TCS under GST: Section 52 and E-commerce Operators

Many small sellers sell through online platforms. The platform often collects the customer's payment. Section 52 uses this position to improve compliance. The platform, called the electronic commerce operator, collects a small amount of tax from the seller's sale proceeds and pays it to the Government. This is tax collected at source (TCS).

The duty applies to an operator who is not an agent. It applies only where the consideration is collected by the operator. If the customer pays the seller directly, there is no TCS on that supply. The Act caps the rate at one per cent, and the actual rate is as notified by the Government on the Council's recommendation. The task description mentions a notified rate of 0.5%, reduced from 1%. Check the rate given in the question, and use it.

The base is the net value of taxable supplies. It is the total value of taxable supplies made during the month by all registered persons through the operator. From this you deduct the value of taxable supplies returned to the suppliers in that month. Services notified under Section 9(5) are left out, because the operator is itself liable to pay tax on them.

The operator pays the collected amount within ten days after the end of the month. It also files a monthly statement in FORM GSTR-8 within ten days after the month ends. The supplier then claims the amount as credit in his electronic cash ledger. The operator's details are matched with the supplier's GSTR-1 on the State of place of supply and the net taxable value. A mismatch can add to the supplier's output tax liability.

Key rules to remember

TCS amount: TCS = notified rate × net value of taxable supplies; Rate is notified by the Government and cannot exceed 1%. The base is for the month and covers all registered suppliers on the platform.
Net value of taxable supplies: Net value = taxable supplies made through the operator in the month − taxable supplies returned to suppliers in that month; Leave out services notified under Section 9(5). Count only supplies where the operator collects the consideration.
Payment of TCS: Due within 10 days after the end of the month of collection; Section 52(3). The operator pays it in the prescribed manner.
Monthly statement: FORM GSTR-8 within 10 days after the end of the month; Section 52(4) and Rule 67. It shows outward supplies, returns, and TCS collected.
Annual statement: Before 31 December following the financial year; Section 52(5). The Commissioner may extend the date by notification.
Time limit for a late statement: Not allowed after 3 years from the due date; Section 52(15). The Government may allow it later by notification.
Matching items: State of place of supply and net taxable value, GSTR-8 against GSTR-1; Rule 78. The matching date follows any extension of the GSTR-1 due date.
Notice for information: Notice by an authority not below Deputy Commissioner; reply within 15 working days; penalty up to ₹25,000; Section 52(12) to (14). The penalty is without prejudice to Section 122.

How to solve TCS under GST: Section 52 and E-commerce Operators questions

Use this order for any Section 52 question, numerical or theory.

1Check that the person is an e-commerce operator and is not an agent. Check that the operator collects the consideration.
2Pick the month and list all taxable supplies made through the operator in that month by registered suppliers.
3Remove services notified under Section 9(5). Remove supplies where the customer pays the supplier directly.
4Deduct taxable supplies returned to suppliers in the same month. This gives the net value.
5Apply the rate given in the question. Do not exceed 1%. Compute TCS supplier-wise if asked.
6State the dates: payment and GSTR-8 within ten days after month-end. State the annual statement date if asked.
7For mismatch questions, apply Section 52(9) to (11): communicate, allow correction, then add to the supplier's output liability if the operator's value is higher.

Quickest way: Net value first, then rate

When to use it: For MCQs and short numerical questions with sales, returns and a rate.

Strike out items that are not in the base: Section 9(5) services and supplies paid for directly to the supplier.
Subtract returns of the same month from the remaining taxable value.
Multiply by the given rate.
Write the due date as 10 days after month-end if the question asks for it.

Common mistakes in TCS under GST: Section 52 and E-commerce Operators

Applying TCS on the gross value of sales and ignoring returns.
Students remember the rate and forget the word 'net'.
Fix: Always deduct taxable supplies returned to suppliers in the same month before applying the rate.
Including supplies where the customer pays the supplier directly.
Students assume every sale on the platform is covered.
Fix: Section 52 covers supplies where the consideration is collected by the operator. Check who collects the payment.
Including Section 9(5) services in the base.
The exclusion sits in the Explanation and is easy to miss.
Fix: Leave out services notified under Section 9(5), because the operator pays tax on them itself.
Treating the 1% in the Act as the actual rate.
The Act says 'not exceeding one per cent'.
Fix: Use the rate notified or given in the question. The Act only sets the ceiling.
Mixing up the operator's due dates.
Payment, monthly statement and annual statement have different dates.
Fix: Payment and GSTR-8 are within ten days after month-end. The annual statement is before 31 December after the financial year.
Thinking the supplier must pay the TCS amount again.
Students confuse TCS with the supplier's tax liability.
Fix: TCS is a credit. The supplier claims it in his electronic cash ledger after the operator's statement is validated, and it is not an extra tax.

Worked examples

Example 1

ShopKart India, an e-commerce operator (not an agent), collects payment for all sales on its platform. In a month, registered suppliers made taxable supplies of ₹48,00,000 through it. Taxable supplies worth ₹3,00,000 were returned to suppliers in the same month. Of the ₹48,00,000, ₹6,00,000 was for supplies where customers paid the suppliers directly. Compute TCS at 0.5%.

Show the solution

Start with taxable supplies of ₹48,00,000.
Remove supplies where the operator did not collect the consideration: ₹48,00,000 − ₹6,00,000 = ₹42,00,000.
Deduct the returns for the month: ₹42,00,000 − ₹3,00,000 = ₹39,00,000. This is the net value.
Assume the returned supplies were among those where the operator collected payment.
TCS = 0.5% × ₹39,00,000 = ₹19,500.

Answer: TCS is ₹19,500. ShopKart must pay it within ten days after month-end and file GSTR-8 by the same date.

Example 2

For a month, an operator's GSTR-8 shows a net taxable value of ₹10,00,000 for a supplier, Meera Traders. Meera's GSTR-1 shows ₹8,00,000 for the same supplies. The discrepancy is communicated and not rectified by either party in the month of communication. What is the consequence?

Show the solution

Section 52(8) and Rule 78 require matching of the State of place of supply and net taxable value.
Here the values differ: the operator's value is ₹10,00,000, Meera's is ₹8,00,000. The excess is ₹2,00,000.
Under Section 52(9) the discrepancy is communicated to both persons.
Under Section 52(10), as it is not rectified and the operator's value is higher, the amount of the discrepancy is added to Meera's output tax liability. This is in her return for the month after the month of communication.
Under Section 52(11), Meera pays the tax on it with interest at the rate under Section 50(1), from the date the tax was due until payment.

Answer: The tax on the ₹2,00,000 difference is added to Meera's output tax liability in the next month's return. She pays it with interest from the original due date until payment.

Exam tips

MCQs often test the base: net value, same-month returns, and exclusion of Section 9(5) services. Read each figure's label.
Use the rate given in the question. If none is given, say the rate is notified and capped at 1%.
For theory, structure the answer as duty, base, payment, statement, credit to supplier, matching, and penalty for non-reply to notice.
In mismatch cases, remember the excess is added only where the operator's value is more than the supplier's.
Note the number of days carefully: ten days for payment and statement, fifteen working days to reply to a notice.

Practice questions from TDS and TCS under GST

TCS under GST: Section 52 and E-commerce Operators in other exams

The same ground in other exams, if you are preparing for more than one or want another angle on it.

TCS under GST: Section 52 and E-commerce Operators: frequently asked questions

Who must collect TCS under Section 52 of the CGST Act?

An electronic commerce operator who is not an agent. It collects tax on the net value of taxable supplies made through it by other suppliers, where the operator collects the consideration.

How is the net value of taxable supplies calculated for TCS?

Take the aggregate value of taxable supplies made in the month by all registered persons through the operator. Exclude services notified under Section 9(5). Then reduce the total by the taxable supplies returned to the suppliers in that month.

What is the due date for GSTR-8?

The monthly statement in FORM GSTR-8 is due within ten days after the end of the month. The annual statement is due before 31 December following the financial year. The Commissioner may extend either date by notification.

What happens to the TCS amount in the supplier's hands?

The supplier claims credit of the amount in his electronic cash ledger. This is based on the operator's statement after validation. It is matched with his GSTR-1 on the State of place of supply and net taxable value.