Understanding GST Invoice Bill

In India, businesses must comply with the Goods and Services Tax (GST) regulations, which require them to issue GST Invoice Bills for all taxable supplies and transactions. A GST Invoice Bill is a legal document that records the details of the transaction, including the goods or services provided, their quantity, value, and tax rate.

There are different types of GST Invoice Bills that businesses need to issue using the billing software. In this article, we will explore the concept of GST Invoice Bills in India, discuss their types and components, and provide a step-by-step guide on creating them using efficient billing software.

What is GST Invoice Bill?

A GST invoice bill serves as an official record provided by a registered supplier to their customers or clients for the provision of goods or services. It can be issued by a registered supplier using good billing software available in the market. This document holds significant importance as it aids in the calculation of tax obligations for both the supplier and the recipient involved in the transaction. Under the GST regime, a valid invoice is crucial for claiming input tax credit (ITC), which is the mechanism that allows businesses to set off the tax they have paid on purchases against the tax they are liable to spend on their sales.

What are the different types of GST Invoice Bills?

There are several GST invoice bills, each designed to cater to different types of transactions. The main types include:

Tax Invoice:

A tax invoice is the most common GST bill to supply taxable goods or services. Every GST-registered individual providing taxable goods and services (B2B or B2C) must compulsorily issue this invoice. Generate GST invoices using billing software when moving stock between states. It includes the details of the supplier, recipient, description of goods/services, quantity, value, and taxes charged.

Bill of Supply:

When a registered supplier deals with exempted goods/services or is under the Composition Scheme, which issues a Bill of Supply in the place of a tax invoice with the help of billing software. It contains similar details to a tax invoice but does not include any tax amount, as no tax credit is involved.

Invoice-cum-Bill of Supply

Generate a combined Invoice-cum-bill of Supply in billing software for unregistered recipients receiving taxable and not-taxable/exempted goods/services.

Revised Invoice/Supplementary Tax Invoice

A taxable individual can generate a revised or additional tax invoice upon identifying a deficiency in the initially issued primary tax invoice. Alternatively, a debit or credit note may also be employed.

Credit Note:

A credit note is issued if there is a reduction in the supply value or if goods/services are returned. The credit note can be quickly issued through billing software. It adjusts the value of the original invoice and reduces the tax liability accordingly.

Debit Note:

A debit note is issued when there is an increase in the supply value. It adjusts the value of the original invoice and increases the tax liability. Good billing software issues debit notes in just simple steps.

What are the Essential Components of a GST Invoice Bill?

A well-structured GST invoice bill issued using effective billing software should include the following components:

  1. Name, GSTIN (Goods and Services Tax Identification Number), address, and supplier contact information.
  2. Name, address, GSTIN (if registered), and recipient’s contact information.
  3. A unique invoice number and the date of issuing the invoice.
  4. Information about the supplied goods or services, encompassing quantity, individual price, and overall value.
  5. HSN (Harmonized System of Nomenclature) code or SAC (Services Accounting Code) for categorising goods and services precisely.
  6. The taxable value of goods or services before applying taxes.
  7. Applicable Tax rates of Central GST (CGST), State GST (SGST), Integrated GST (IGST), or Union Territory GST (UTGST) charged.
  8. Total Invoice Value payable after adding taxes to the taxable value.
  9. Place of Supply
  10. Shipping and Billing Address
  11. Terms of Payment and Delivery

How to Create a GST Invoice Bill?

Creating a GST invoice bill involves a structured process to ensure accuracy and compliance. Here’s a step-by-step guide:

  1. Choose a reliable accounting or billing software that supports GST-compliant invoice generation.
  2. Enter the supplier’s and recipient’s details accurately, including names, addresses, and GSTIN.
  3. Enter a unique and sequential invoice number to the invoice. Ensure that the numbering follows a consistent pattern.
  4. Enter the date of the invoice and the shipping address.
  5. Description of supplied goods or services, which includes quantities and unit prices.
  6. Select the appropriate HSN or SAC code.
  7. Enter the applicable GST rates (CGST, SGST, IGST, or UTGST) based on the item description and HSN/SAC code.
  8. Compute the taxable value by adding the item values and applying the calculated taxes.
  9. Sum up the taxable value and taxes to determine the total invoice value.
  10. Specify the terms of payment, delivery, and any other relevant conditions.
  11. Review all the entered details for accuracy and compliance with GST regulations.
  12. Save the invoice in a secure format (PDF or electronic) and share it with the recipient.


A GST invoice bill is a crucial document that facilitates transparency, accountability, and compliance within the GST framework. It can be issued in just some simple steps using billing software. Understanding the types and components of a GST invoice bill and following the correct process to create one is essential for businesses operating under the GST regime. By adhering to these guidelines, companies can ensure smooth transactions, accurate tax calculations, and seamless documentation of their supply of goods and services.

(This article is part of IndiaDotCom Pvt Ltd’s Consumer Connect Initiative, a paid publication programme. IDPL claims no editorial involvement and assumes no responsibility, liability or claims for any errors or omissions in the content of the article.)

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