Mandatory Requirements for a Valid GST Invoice

Introduction

Under the GST regime, an invoice is a critical document that serves as evidence of the supply of goods or services. It is mandatory for registered businesses to issue a GST-compliant invoice to their customers.

Mandatory Fields

• Invoice Number and Date: A unique consecutive serial number.
• Seller Details: Name, address, and GSTIN of the supplier.
• Buyer Details: Name, address, and GSTIN (if registered) of the recipient.
• HSN/SAC Code: Harmonized System of Nomenclature for goods or Services Accounting Code.
• Description of Goods/Services: Detailed description along with quantity and unit.
• Taxable Value: The value after discounts but before taxes.
• Tax Rates and Amounts: Breakdown of CGST, SGST, and IGST components.
• Place of Supply: Essential to determine whether the transaction is intra-state or inter-state.
• Signature: Signature of the supplier or authorized representative.

Types of Invoices

Depending on the nature of the transaction, you might issue a Tax Invoice, Bill of Supply, or Receipt Voucher.