
Indirect Tax Advisory
E-Commerce & Marketplace Compliance
A plain-language guide to GST compliance for e-commerce sellers and marketplace operators in India: registration, GST TCS, invoicing, returns, reconciliation, refunds and the records that support them.
01
E-commerce GST compliance, in context
Selling goods or services through an online platform brings GST obligations that differ from those of a conventional business. Supplies are often made across state lines, payments are collected by a third party, and tax may be deducted before the seller receives any money. For broader GST support beyond e-commerce, see Comprehensive GST Solutions for Businesses & Startups.
This page sets out the main compliance areas for two groups: sellers who supply through marketplaces or their own online stores, and operators who run the platforms. It is written as general information and is not a substitute for advice on a specific situation.
02
GST for marketplace sellers and operators
Sellers on marketplaces
Sellers who list goods or services on a third-party platform generally need to consider:
- Registration requirements, which for most online sellers apply regardless of turnover thresholds
- Place of supply and the choice between IGST and CGST/SGST
- Tax invoices, credit notes and the treatment of returned goods
- Matching platform statements with the books and the GST returns
E-commerce operators
Operators who own, manage or run a digital platform have obligations of their own:
- Collecting tax at source from sellers on net taxable supplies
- Filing the statement of TCS and depositing the amount collected
- Reporting seller-wise supply details accurately and on time
- Handling cases where tax on specified services is payable by the operator
03
GST TCS for e-commerce operators
Tax collected at source applies when an operator collects consideration on behalf of suppliers who sell through its platform. The amount is calculated on the net value of taxable supplies, which means returns and cancellations need to be netted off within the same period.
For operators, the work lies in accurate seller-wise data, timely deposit and a monthly statement that agrees with internal records. For sellers, the credit appears in the electronic cash ledger once the operator reports it, and it should be checked against the platform’s own settlement reports every month.
Rates, thresholds and notified conditions change over time. Current figures should always be confirmed against the latest notifications.
04
Registration, invoicing and returns
GST registration for online sellers
Sellers supplying goods through a marketplace are generally required to be registered, and may need a registration in each state from which they store stock. Marketplaces also ask for GSTIN and address details at onboarding, so the registration data should match what is shown on invoices.
Invoicing and e-invoicing
Each supply needs a compliant tax invoice or bill of supply, with correct HSN codes, tax rates and place of supply. Where turnover crosses the notified limit, e-invoicing rules may also apply. Returns and price adjustments are documented through credit notes.
GST returns for e-commerce businesses
Outward supplies are reported in GSTR-1 or the quarterly alternative, and tax is paid through GSTR-3B. Supplies made through a marketplace are reported in the sections prescribed for e-commerce, so that they can be matched with the operator’s statement of TCS.
Input tax credit
Platform fees, logistics, advertising and packaging all carry GST. Credit on these costs depends on valid invoices from suppliers and on their appearance in GSTR-2B, which makes regular matching a routine part of the month-end close.
05
Reconciliation and refunds
E-commerce GST reconciliation
Marketplace settlements rarely match sales ledgers line for line. Commissions, shipping fees, TCS deductions, returns and delayed payouts all create differences. A monthly reconciliation ties together the platform statement, the books of account, the GST returns and the electronic ledgers.
GST refunds for sellers
Refund claims, such as those arising from exports or an inverted duty structure, depend on clean data and consistent documents. Refund applications are reviewed against returns, invoices and shipping or export records, so gaps in any of these tend to surface at that stage.
06
Documentation and common compliance risks
Documents worth keeping in order
- Registration certificates and principal and additional place of business details
- Sales invoices, credit notes and e-invoice records
- Marketplace settlement reports, TCS statements and payout summaries
- Stock transfer records, delivery proofs and export documents
- Purchase invoices, GSTR-2B copies and reconciliation workings
Risks that appear most often
- Sales reported in returns that differ from platform data
- TCS credit that is not claimed or not matched
- Missing state registrations for goods held in other states
- Incorrect place of supply or HSN classification
- Credit notes for returns raised late or not at all
07
A practical e-commerce compliance framework
Compliance holds up best when it is treated as a monthly routine rather than a filing-date exercise. The framework below is a simple sequence that most online businesses can adapt.
1. Map the business model
List every channel, warehouse, state and type of supply. This determines registrations, place of supply and reporting needs.
2. Standardise invoicing
Fix HSN codes, rates and credit note practice once, and apply them uniformly across all channels.
3. Collect platform data monthly
Download settlement, return and TCS reports as soon as the period closes, before they are overwritten or revised.
4. Reconcile before filing
Match sales, TCS and credit to the books and to GSTR-2B. Resolve differences before submitting GSTR-1 and GSTR-3B.
5. File and record
Submit returns on time and archive the working papers alongside the filed copies.
6. Review quarterly
Look at open differences, pending refunds, new channels and any change in law that affects the model.
08
E-commerce GST FAQs
Is GST registration mandatory for every online seller?
For sellers of goods through an e-commerce operator, registration is generally required irrespective of the usual turnover threshold, subject to the conditions in the law. Eligibility should be checked against the current notifications for the specific case.
What is GST TCS and who deducts it?
GST TCS is tax collected at source by an e-commerce operator from the payment due to a supplier selling through its platform. It is calculated on net taxable supplies and deposited with the government by the operator.
How does a seller use the TCS shown against their GSTIN?
The amount reported by operators is credited to the seller’s electronic cash ledger. It can be used to pay tax liability in later periods, so it is worth confirming each month that the credit matches the platform’s statement.
Why do marketplace payouts differ from reported sales?
Payouts are net of commission, fees, shipping charges, returns and TCS, and are often settled in a different period from the sale. Reconciliation explains each difference and keeps the returns aligned with the books.
How long should e-commerce GST records be kept?
Records are generally required to be retained for a number of years after the due date of the annual return for the relevant year. Platform reports are worth archiving separately, since access to older data may be limited.
A note on getting in touch
Questions about how these points apply to a particular business can be sent to office@cassgc.org. A short description of the sales channels and states involved is usually enough to begin. You can also Contact Us.
This page is for general information only and does not constitute professional advice. GST law and notifications change; please verify current provisions before acting.