The TCS Problem for Marketplace Sellers
Under GST law, ecommerce operators (Amazon, Flipkart, Meesho, etc.) must collect 1% TCS (Tax Collected at Source) on the net value of goods sold through their platform.
On paper, this is a credit you can claim when filing your GST returns. In practice:
- Marketplace TCS data doesn’t match your GST returns — Different periods, different classifications, rounding differences
- The credit sits unclaimed for months — Until you reconcile and claim it in GSTR-2B
- At ₹10L/month marketplace sales, that’s ₹10,000/month stuck — Over a year, ₹1.2L in working capital trapped in the GST system
Step-by-Step TCS Reconciliation
Step 1: Download Marketplace TCS Certificates
- Amazon: Seller Central → Reports → Tax Document Library → TCS Certificate
- Flipkart: Seller Hub → Payments → Tax Reports → TCS Certificate
- Download monthly TCS certificates (Form GSTR-8 filed by the marketplace)
- These certificates show the TCS collected on your sales
Step 2: Match with GSTR-2B
- Login to GST portal → Returns → GSTR-2B
- Navigate to ‘TCS Credit Received’ section
- This shows the TCS credits reported by marketplaces against your GSTIN
- Compare each marketplace’s TCS certificate total with the GSTR-2B amount
- Common mismatches: timing differences (marketplace reported in different month), GSTIN errors, inter-state vs intra-state classification
Step 3: Reconcile Mismatches
- Timing mismatch: If Amazon collected TCS in March but reported in April, it will show in your April GSTR-2B. Wait one month before flagging.
- Amount mismatch: Compare line by line. Common causes: returns processed after TCS collection, cancellations, GST rate differences.
- Missing entries: If TCS is on your certificate but not in GSTR-2B, raise a ticket with the marketplace. They need to correct their GSTR-8 filing.
Step 4: Claim the Credit
- In your GSTR-3B filing, include the TCS credit in the ‘TCS credit received’ field
- This offsets your GST liability for that month
- If TCS credit exceeds your liability, the balance carries forward
Common TCS Issues and Fixes
| Issue | Cause | Fix |
|---|---|---|
| TCS not showing in GSTR-2B | Marketplace filed late or with wrong GSTIN | Raise ticket with marketplace seller support |
| Amount mismatch | Returns/cancellations processed differently | Reconcile with order-level data from marketplace reports |
| Inter-state vs intra-state wrong | Marketplace classified shipment origin incorrectly | Raise correction request with marketplace |
| Credit not reflecting in GSTR-3B | Didn’t include in the correct field | Ensure TCS credit is entered in Table 4 of GSTR-3B |
Pro Tips
- Reconcile monthly, not quarterly — Monthly reconciliation catches issues early. Quarterly means 3 months of compounded mismatches.
- Use reconciliation software — Tools like ClearTax, Zoho Books, or TallyPrime have auto-reconciliation features that match marketplace TCS with GSTR-2B.
- Keep a TCS tracker spreadsheet — Log: marketplace, month, TCS amount on certificate, TCS amount in GSTR-2B, claimed in GSTR-3B, status (matched/pending/disputed).
- File on time — Late GSTR-3B filing means late TCS credit claim, which means longer working capital lockup.
Need Help With GST Compliance?
At Growww Tech, we help ecommerce sellers set up proper GST workflows and reconciliation processes. Don’t leave money stuck in the system.
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