How to Create a GST Invoice That Is Legally Compliant in India

If your business is registered under GST, every invoice must meet specific legal requirements.

What a GST Invoice Must Include

| Field | Mandatory? |
|-------|-----------|
| Supplier Name | Yes |
| Supplier GSTIN | Yes |
| Invoice Number | Yes |
| Invoice Date | Yes |
| Recipient Name | Yes |
| Recipient GSTIN (B2B) | Yes |
| HSN/SAC Code | Yes |
| Description | Yes |
| Quantity and Unit | Yes |
| Total Value | Yes |
| GST Rate | Yes |
| GST Amount | Yes |
| Place of Supply | Yes |
| Signature | Yes |

CGST + SGST vs IGST

| Transaction | Tax Applied |
|-------------|------------|
| Within same state | CGST + SGST |
| Between states | IGST |

Example: 10,000 at 18% GST:
- Intra-state: 900 CGST + 900 SGST
- Inter-state: 1,800 IGST

Create GST Invoices Free

1. Go to GST Invoice Generator
2. Enter business details
3. Add client info
4. Add line items
5. Select GST rate
6. Download as PDF

Invoice Number Rules

• Sequential (INV-001, INV-002...)
• Cannot repeat
• Maximum 16 characters

Tips

• Keep copies for 6 years
• Issue within 30 days of supply
• Verify with GST Calculator

Use the free GST Invoice Generator to create compliant invoices.