GST resources
What a GST invoice must contain.
A tax invoice is the document your customer uses to claim input credit, so its fields are prescribed. Get them right and disputes disappear.
GSTIN 29ABCDE1234F1Z5
TAX INVOICE
#1045
14 Apr 2026
Bill To
ABC Traders
Bengaluru, Karnataka
| Item | Qty | Rate | Amount |
|---|---|---|---|
| Aashirvaad Atta 5kg | 2 | ₹262 | ₹524 |
| Amul Taaza Milk 500ml | 1 | ₹28 | ₹28 |
| Britannia Bread | 3 | ₹50 | ₹150 |
Mandatory fields
- Supplier name, address, GSTIN
- Consecutive invoice number and date
- Recipient name, address, GSTIN (for B2B)
- HSN or SAC per line
- Description, quantity, unit and rate
- Taxable value and discount
- Rate and amount of CGST, SGST/UTGST or IGST
- Place of supply with state code
- Whether tax is payable on reverse charge
- Signature or digital signature
Tax invoice vs bill of supply
Registered dealers issue tax invoices. Composition dealers and suppliers of exempt goods issue a bill of supply, which carries no tax lines.
Common mistakes
- IGST charged to a customer in the same state
- Missing HSN codes
- Non-consecutive numbering
- Wrong place of supply
- Rounding differences in tax
How TripleBill helps
TripleBill fills every mandatory field from your settings and the customer record, numbers invoices consecutively and decides CGST/SGST vs IGST from the place of supply.
This page is general information about GST in India, not tax advice. Rates, thresholds and rules change; confirm with the GST portal or a chartered accountant before acting.
Frequently asked questions
How many copies are needed for goods?+
Three: original for recipient, duplicate for transporter, triplicate for supplier. For services, two.
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