GST Invoice: Rules, Format, and Mandatory Fields#
What is a GST Invoice?#
GST invoice is a document showing details of supply of goods/services.
Types of Invoices#
Tax Invoice:#
- For registered persons
- Shows GST charged
Bill of Supply:#
- For composition dealers
- No GST charged
E-invoice:#
- Mandatory for:
- B2B > Rs 10 crore
- From Oct 2023: Rs 5 crore
Mandatory Fields#
Seller Details:#
- GSTIN
- Address
- Invoice number & date
Buyer Details:#
- GSTIN (if registered)
- Address
- State
Item Details:#
- Description
- HSN code
- Quantity
- Rate
- Taxable value
- Tax rate & amount
Invoice Number#
- Must be sequential
- Financial year in prefix
- Cannot be repeated
- Max 16 characters
E-invoice Portal#
- Generate invoice in software
- Upload to e-invoice portal
- Get IRN (Invoice Reference Number)
- Generate QR code