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THE FINANCEBASE List yours

Guide

How GST Returns and Invoices Work for Online Marketplace Sellers in India

By TheFinanceBase Team 10 min read

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For an Indian online-marketplace seller, GST compliance starts by identifying who is responsible for the tax. Ordinary goods and services are reported and paid by the seller; supplies covered by section 52 involve tax collected at source (TCS) by the marketplace; and notified services under section 9(5) are reported by both parties but taxed by the operator. That classification determines whether registration is compulsory, what invoice to issue, which GSTR-1 tables to use, and how to reconcile settlements, returns, credit notes and TCS credits. The practical workflow is: register when required, issue a complete invoice, report outward supplies in GSTR-1, declare your own liability in GSTR-3B, and match every figure with the marketplace statements.

Which GST category does a marketplace sale fall into?

Do not assume that every order placed through a platform follows the same GST treatment. Classify the supply before deciding on registration or return entries.

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Ordinary goods or services

You are the supplier responsible for charging the applicable GST, issuing the invoice, reporting the outward supply and paying the resulting tax. The marketplace may deduct commissions, shipping charges or other amounts from your settlement, but those deductions do not transfer your GST liability.

Supplies through an operator that collects section 52 TCS

For goods and other supplies where the operator is required to collect TCS, the operator reports the collection in GSTR-8. You still report the underlying sale and pay your output tax. The TCS amount is a credit to be reconciled against the operator’s statement; it is not a replacement for your GST payment.

Notified services under section 9(5)

Section 9(5) applies only to categories of services specifically notified by the government. For those services, the operator pays the GST, while the registered supplier reports the supply in the designated fields. A marketplace transaction is not automatically a section 9(5) transaction simply because the order was placed through an app.

Transaction type Who pays GST on the sale Seller’s main return treatment Operator reporting
Ordinary marketplace supply Seller Normal outward-supply tables in GSTR-1 and liability in GSTR-3B May provide settlement data; no section 9(5) payment
Supply where operator collects section 52 TCS Seller Report the sale and pay output tax; reconcile TCS credit GSTR-8 reports TCS supplier by supplier
Notified section 9(5) service Operator Report the supply in GSTR-1 Table 14(b) and GSTR-3B Table 3.1.1(ii); do not pay that tax yourself Reports and pays in GSTR-3B Table 3.1.1(i)

Do I need GST registration to sell through an online marketplace?

Often, yes. CBIC registration guidance lists a general PAN-based threshold of INR 20 lakh and INR 10 lakh for specified special-category states, but statutory compulsory-registration cases override the threshold. CBIC’s e-commerce FAQ states that the threshold exemption is unavailable to suppliers using an operator required to collect TCS under section 52.

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  • Goods through a TCS-collecting operator: treat registration as compulsory unless a specific current exemption applies to your exact supply and operator arrangement.
  • Inter-State supplies: inter-State selling is listed among compulsory-registration situations, subject to the wording and exceptions in the current law.
  • Specified services: some service suppliers can use a threshold exemption, but only after confirming that the service, operator and transaction meet the applicable conditions.
  • Section 9(5) services: determine whether the service is in a notified category and whether the operator, rather than you, is liable for the tax.

These thresholds and exceptions are statutory figures, not a blanket marketplace rule. Confirm the operator’s role, the state from which you supply, whether the sale is inter-State, and the exact product or service classification before relying on a threshold. A registration decision should also account for any separate e-invoicing or other compliance obligation that applies to your turnover or category.

What must an online seller’s GST invoice contain?

A GST tax invoice must identify the supplier, the transaction and the tax calculation well enough for the recipient and the GST system to verify it. Use a bill of supply instead when you are a registered composition taxpayer or are supplying exempt goods or services.

Required invoice fields

  • Supplier’s legal name, address and GSTIN.
  • A consecutive serial number, in one or more series, unique for the financial year, using permitted alphabets, numerals and the hyphen, dash or slash symbols.
  • Date of issue.
  • Recipient GSTIN or UIN when the recipient is registered or otherwise entitled to one.
  • For specified supplies to an unregistered recipient, the recipient’s name and address and the delivery state’s name and code.
  • HSN for goods or the Accounting Code (SAC) for services.
  • Description of the goods or services.
  • Quantity and unit for goods.
  • Total value and taxable value.
  • Applicable tax rate and the separate tax amount.
  • Place of supply and an inter-State indication when relevant.
  • An indication that tax is payable under reverse charge, where that rule applies.
  • Supplier’s signature or digital signature.

“a consecutive serial number, in one or multiple series, containing alphabets or numerals or special characters hyphen or dash and slash symbolised as “-” and “/” respectively, and any combination thereof, unique for a financial year.”

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Central Board of Indirect Taxes and Customs, Invoice Rules (current page accessed 25 October 2026)

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Invoice controls that prevent marketplace disputes

Keep one numbering sequence per financial year (or clearly documented series), and never reuse a number after cancellation. Show the place of supply and tax split that matches the customer’s state and the type of supply. If an order is returned or its value changes, issue the appropriate credit or debit note and retain the original invoice reference so the amendment trail is clear.

A paper invoice register can help you monitor sequence gaps, but it is only an optional record-keeping aid. It does not replace electronic books, GST Portal filing, or e-invoicing where e-invoicing rules apply.

How do I report marketplace orders in GSTR-1?

GSTR-1 is the outward-supplies statement for normal and casual registered taxpayers, filed monthly or quarterly according to your filing scheme. It is required even for a nil period. Prepare the data from your invoices and marketplace reports rather than copying only the net bank settlement.

  1. Extract invoice-level data: capture invoice number and date, customer registration status, GSTIN where available, state and place of supply, taxable value, tax rate and tax amount.
  2. Separate supply classes: identify B2B invoices, specified large inter-State B2C transactions, exports, advances, exempt or nil-rated supplies, and any non-GST items that must be disclosed.
  3. Account for adjustments: list credit notes, debit notes, returns and amendments against the original invoice. A marketplace return shown in a settlement report does not by itself prove that the correct GST document has been issued.
  4. Enter HSN/SAC summaries: reconcile quantities and taxable values to the invoice register and ensure the codes match the products or services actually supplied.
  5. Complete the e-commerce tables: from the January 2024 tax period, use Table 14 for supplier-reported summaries of supplies through an operator. Table 14(a) is for the section 52 TCS category; Table 14(b) is for section 9(5) supplies. Table 14A is available for later amendments.
  6. Check the operator-reported section 9(5) data: Table 15 is used for operator-reported section 9(5) supplies, with Table 15A available for amendments from February 2024.
  7. Preview and file: verify that taxable values, tax amounts, notes and amendments agree with your books before filing the statement.
GSTR-1 location Use Who supplies the data
Table 14(a) Summary of supplies through an operator liable to collect section 52 TCS Seller
Table 14(b) Summary of notified section 9(5) supplies Seller
Table 14A Amendments to the seller-reported Table 14 entries Seller
Table 15 Operator-reported section 9(5) supplies Operator
Table 15A Amendments to operator-reported section 9(5) supplies Operator

GSTN’s advisory notes that Table 14 TCS values do not automatically populate tax liability in GSTR-3B. Section 9(5) supplier values, in contrast, flow to the relevant GSTR-3B field, so review the system-generated figures instead of assuming every Table 14 amount will become payable by you.

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How do I complete GSTR-3B for marketplace sales?

GSTR-3B is the summary return in which you declare liabilities and discharge them. Build it from the finalized invoice and adjustment register, then compare the result with marketplace settlements and eligible input-tax-credit records.

Due dates and filing cadence

Filing pattern Typical due date in GSTN guidance Important qualification
Monthly filer 20th of the following month Standard monthly date; check any notified extension
Quarterly filer 22nd or 24th day of the month following the quarter The date depends on the State/UT grouping

The dates above are the GSTN portal guidance accessed on 25 October 2026. A notification can extend a due date, so check the portal for the relevant tax period.

Section 9(5) entries

For a notified section 9(5) service, the operator reports and pays the tax in GSTR-3B Table 3.1.1(i). The registered supplier reports the corresponding supplies in Table 3.1.1(ii) and does not pay that tax again. Applying this treatment to an ordinary goods order or to a service outside the notified list creates an underpayment or duplicate-payment risk.

What to reconcile before payment

  • Taxable sales in your invoice register versus the marketplace order and settlement reports.
  • Customer returns and cancellations versus credit notes issued.
  • Debit notes, price adjustments and amendments posted in the period.
  • Output tax by rate and place of supply.
  • Input-tax-credit records and reversals, where applicable.
  • TCS credits shown by the operator and the amount reflected in the GST Portal.

What is marketplace TCS and how do I reconcile it?

The operator’s GSTR-8 reports TCS supplier by supplier on the net value of supplies after returns. Your reconciliation must therefore compare the operator’s net base, returns timing and TCS amount with your own invoices and credit notes, not merely with the gross order total.

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  1. Download both sides: retain the marketplace order report, settlement ledger, return report, fee and commission statement, and the relevant GSTR-8 or portal TCS credit data.
  2. Map identifiers: use order ID, invoice number, settlement date and return reference to connect each marketplace line to your books.
  3. Recalculate the net base: start with supplies, subtract returns recorded for the applicable period, and distinguish a commercial fee from a customer return. A fee changes your settlement; it does not automatically reduce the taxable value of the sale.
  4. Compare TCS: investigate differences caused by late returns, cancelled orders, amendments, duplicate lines or a mismatch in GSTIN mapping.
  5. Post the credit correctly: claim only the TCS credit that belongs to your GSTIN and period, and keep an unreconciled-items schedule until the operator corrects an error.
Period GSTN GSTR-8 validation described in the portal manual How to use it
Before July 2024 Total TCS had to equal 1% of the net amount Use the period-specific validation when checking historical statements
July 2024 onward Accepted range of 0.5% to 1%, with the portal’s stated tolerance Verify the applicable notification and portal rule for the exact tax period

The percentages are notification-sensitive validation rules, not a permanent promise that every marketplace transaction carries one fixed rate. If a statement falls outside the portal’s accepted range, check whether returns, amendments, timing or a changed notification explains the difference before filing.

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What records should a marketplace seller retain?

Maintain a transaction-level audit trail that lets you move from an order to an invoice, return, settlement and return entry without relying on a bank statement alone.

  • Customer order and cancellation details, including state and GSTIN information where collected.
  • Issued invoices, bills of supply, credit notes, debit notes and amendment references.
  • Marketplace settlement statements showing gross sales, returns, commissions, shipping, refunds and other deductions.
  • GSTR-1, GSTR-3B, GSTR-8 extracts and TCS-credit records for each period.
  • HSN/SAC mapping, tax-rate decisions and evidence supporting place of supply.
  • Payment proofs, adjustment journals and correspondence about disputed or corrected marketplace data.

Set a cut-off date each month or quarter for late returns and settlements. Lock the invoice register after filing, then process later corrections through the prescribed credit-note or amendment route instead of silently overwriting historical data.

Common marketplace GST errors and how to fix them

Using the settlement amount as taxable turnover

Settlement is usually net of commissions, logistics charges, refunds and TCS. Rebuild the gross supply value from invoices, then account separately for deductions and credits.

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Assuming every platform service is section 9(5)

Check the notified service category and the operator’s role. If the service is not notified, report and pay GST under the ordinary rules that apply to your supply.

Expecting TCS figures to create a GSTR-3B liability automatically

GSTN states that Table 14 TCS values do not auto-populate tax liability. Enter your output tax from the underlying supplies and use the TCS amount as a separately reconciled credit.

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Reusing or skipping invoice numbers

Review the financial-year sequence before filing. If an invoice is cancelled, preserve the number and document the cancellation rather than assigning it to a later order.

Filing only when there were sales

GSTR-1 remains required for a nil period. Confirm the return status on the portal after filing so a saved draft is not mistaken for a submitted return.

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A practical filing checklist

  1. Classify each channel and product as ordinary, section 52 TCS or notified section 9(5).
  2. Confirm registration, state and inter-State implications before accepting orders.
  3. Issue sequential, complete invoices or bills of supply.
  4. Post returns and adjustments with linked credit or debit notes.
  5. Prepare GSTR-1 invoice data, HSN/SAC summaries and Tables 14 or 15 where applicable.
  6. Reconcile GSTR-8 TCS and marketplace settlements to your books.
  7. Prepare GSTR-3B, including the correct section 9(5) fields and your own tax liability.
  8. File by the applicable monthly or quarterly date and retain the filed return and payment evidence.

Frequently Asked Questions

Does marketplace TCS reduce the GST rate I charge my customer?

No. TCS is a collection and credit mechanism handled by the operator; it does not change the GST rate applicable to your underlying supply. Calculate output tax from the invoice and reconcile TCS separately.

What should I do when the marketplace shows a return in a later tax period?

Match the return to the original invoice and record the adjustment through the permitted credit-note or amendment process for the relevant period. Keep the operator’s return report and the reason for the timing difference so the change can be explained during reconciliation.

Why does my TCS credit not appear against my GSTIN?

Check that the marketplace used the exact GSTIN linked to your seller account and that the operator included the transaction in its GSTR-8 for the correct period. Keep the settlement and order evidence, then seek a corrected operator statement before claiming a credit you cannot substantiate.

Can I correct a wrong marketplace invoice after filing GSTR-1?

Use the applicable amendment table or issue a linked credit or debit note, depending on whether the value, tax or recipient details changed. Do not delete the original audit trail; preserve the original number and reference the correction in your records.

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