GST Tax Invoice Format Explained with Examples

If you're a GST-registered business or freelancer in India, issuing a GST tax invoice is not optional—it’s mandatory. A GST-compliant invoice helps your clients claim input tax credit, ensures regulatory compliance, and keeps your books in order.

In this blog, we’ll walk you through the correct invoice in GST format, show real-world examples, and explain how tools like TaxInvoice Pro make the process easier than ever.

What Is a GST Tax Invoice?

A GST tax invoice is a bill issued by a seller to a buyer that includes tax details as per the Goods and Services Tax (GST) regime in India. It records the sale of taxable goods or services and includes all relevant tax components.

You must issue a tax invoice under GST when:

• You’re registered under GST
• You sell taxable goods or services
• The total transaction exceeds ₹200

Mandatory Fields in a Tax Invoice Under GST

According to Indian GST laws, the following fields must be present in a valid tax invoice under GST:

• Invoice number and date
• Name, address, and GSTIN of the supplier
• Name, address, and GSTIN (if registered) of the recipient
• HSN/SAC code of goods/services
• Quantity and unit (for goods)
• Total value before tax
• Applicable tax rate (CGST, SGST, IGST, UTGST)
• Tax amount for each tax type
• Place of supply
• Signature of the supplier

GST Tax Invoice Format (Sample)

Here’s a simplified version of a GST-compliant invoice:

INVOICE

Seller: XYZ Enterprises

GSTIN: 29ABCDE1234F2Z5

Invoice No: 0012X

Date: 12-May-2025

Buyer: ABC Pvt Ltd

GSTIN: 07ABCDEF1234G1Z9

Description: Graphic Design Services

HSN Code: 9983

Types of GST Invoices You Might Issue

Depending on the nature of the transaction, you may need different types of invoice in GST:

• Tax Invoice – Standard invoice for taxable sales
• Bill of Supply – For exempted goods or services
• Proforma Invoice – A quote or estimate (non-taxable)
• Credit/Debit Notes – Adjustments to original invoices

TaxInvoice Pro supports all these formats and ensures they’re structured correctly based on your GST registration status.

Common Mistakes to Avoid in GST Invoices

• Missing or incorrect GSTIN
• No mention of HSN/SAC codes
• Tax incorrectly calculated
• No place of supply for inter-state transactions
• Invoices not signed or digitally signed

A tool like TaxInvoice Pro eliminates these risks by guiding you through every field step-by-step.

Why Use TaxInvoice Pro for GST Invoicing?

TaxInvoice Pro is built for Indian businesses and freelancers to handle all aspects of GST invoicing:

• ✅ Auto-generates GST-compliant invoices
• ✅ Pre-filled fields for faster billing
• ✅ Supports credit notes, proforma, and recurring invoices
• ✅ GST summary reports for filing returns
• ✅ Custom branding & digital signatures

Whether you're new to invoicing or a busy professional, TaxInvoice Pro helps you create flawless GST tax invoices with zero hassle.

Conclusion

Understanding the tax invoice GST format is critical for every GST-registered business in India. A single mistake could lead to compliance issues or delayed payments. With tools like TaxInvoice Pro, you can automate the process and stay focused on growing your business.

Don’t risk penalties or payment delays—start issuing GST-compliant invoices today with TaxInvoice Pro.