Tax Invoice Definition: 

A tax invoice is a legal document issued by a GST-registered seller that lists goods or services provided and applicable taxes. It enables buyers to claim input tax credits and is essential for accurate tax reporting and compliance.

Maintaining taxable sales documents is one of the prime responsibilities of any GST-registered business. All transactions that are subject to taxation must be taxed, and the tax amount must be recorded, regardless of the number and amount of applicable taxes. 

One of the crucial elements of tax accounting is a tax invoice. 

The seller must keep a record of the total tax payable so that the buyer can possess the same document and, if required, claim an input tax credit.

In this article, we’ll discuss what a tax invoice is and how to create one.

Key Takeaways

  • A tax invoice is an official document issued by a GST-registered seller that details the goods or services sold and applicable taxes and allows buyers to claim input tax credits. 
  • Tax invoices are vital for documenting taxable sales and ensuring proper tax reporting, helping businesses stay compliant with GST laws. 
  • Buyers need tax invoices to claim tax credits on purchases, so accurate and timely issuance is critical for both parties. 
  • A valid tax invoice includes details like the invoice number, date, buyer/seller information, tax breakdown, payment terms, and signature. 
  • While both contain similar info, a tax invoice is issued before payment to request it, whereas a receipt confirms that payment has been received.

What is a Tax Invoice?

A tax invoice is a document outlining the appropriate tax that a certified seller charges the customer for their goods and services. It usually includes the product name and description, the invoice date, the invoice number, and the services performed. 

The seller must charge services tax or goods tax for each service or product sold. If you undertake a taxable sale, your GST-registered customers will need an invoice from you to claim their purchase-related tax credits. It is provided when anything is sold to resell it. 

These tax invoices might be duplicates or originals, depending on the circumstances. Because there are no such restrictions, product supply may be changed based on the availability of registered providers.

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How to Create Tax Invoice?

How to Create Tax Invoice

Creating a valid tax invoice for your accounting purposes is a task that requires serious precision and is usually done through a fixed module. The following are the steps of how a tax invoice is generated:

  • Label the document “Tax Invoice.”
  • The right side of the header should include the businesses’ names, logos, posts, phone numbers, and emails.
  • After entering the details of your business, type your customers’ names and contact information as the seller’s identification.
  • Please add the invoice date and number and GST registration number before entering the payment due date and amount purchased.
  • Make a list of all the services rendered, as well as the applicable amounts that the client will pay to your business and standard-rated purchases.
  • Throughout this procedure, remember to include shipping and tax charges in the total. In most cases, the sum should be in all caps.
  • Finally, payment conditions and authorized payment methods should be included.

Using invoicing software such as Moon Invoice can assist in simplifying the time-consuming process of preparing tax invoices.

Types of Tax Invoices

Tax invoices can be of three types that you should know to make sure the transaction is properly documented before issuing it to the buyer.

1. Full Tax Invoice

An invoice involving comprehensive details such as product description, quantity, rates, and taxes applicable along with the seller and the buyer’s information is referred to as a full tax invoice. This type of invoice is usually created for international trade purposes.

2. Simplified Tax Invoice

Simplified tax invoices highlight only the important aspects of the invoice rather than showing the full invoicing details like full tax invoices. It is mainly used for small transactions where there is no need for a full tax invoice.

3. Electronic Tax Invoice

As its name suggests, the tax-compliant invoices that are sent and received electronically are said to be electronic tax invoices. These e-invoices provide a convenient way to deliver invoices without any need for physical meetings.

What Should Be Included in a Tax Invoice?

A tax invoice is a legally required document for GST-registered businesses. It serves as proof of a taxable transaction between a seller and a buyer. To ensure accuracy and avoid disputes or penalties, each tax invoice must contain the following essential components:

1. Title: “Tax Invoice”

The document must be clearly labeled “Tax Invoice” at the top. This ensures it’s distinguishable from other types of invoices, such as pro forma or sales receipts, and helps both parties and auditors identify it easily.

2. Invoice Date

This is the date the invoice is issued. It’s crucial for calculating tax periods and establishing payment timelines. The date helps determine when the tax on invoice needs to be reported and paid.

3. Unique Invoice Number

Each tax invoice must have a unique serial number. This is vital for tracking, referencing, and avoiding duplication. Many businesses use alphanumeric formats (e.g., INV-1001) to keep invoices organized.

4. Seller’s Details

  • Business name
  • Registered address
  • Contact info
  • GST or tax registration number

These details authenticate the invoice and link it to a registered tax-paying entity.

5. Buyer’s Details

Include the customer’s:

  • Full name
  • Billing and shipping address
  • Tax registration number (if applicable)

This is especially important for B2B transactions, as the buyer may use the tax invoice to claim input tax credits.

6. Description of Goods or Services

Clearly list each item or service provided, including:

  • Quantity
  • Unit price
  • Description
  • HSN/SAC codes (if applicable under GST)

This ensures transparency and avoids confusion.

7. Transaction Value (Before Tax)

Mention the subtotal amount before any taxes are applied. This shows the base cost of the goods or services provided.

8. Applicable Tax Rates and Amounts

Specify the type of tax on invoice (e.g., CGST, SGST, IGST) along with the applicable rate and amount. Break these down line by line for clarity.

9. Total Invoice Value

Show the total, which includes the product/service value plus applicable taxes. This is the final amount payable by the buyer.

10. Payment Terms

Include details such as:

  • Payment due date
  • Late payment penalties (if any)
  • Accepted payment methods (e.g., bank transfer, UPI, credit card)

This section helps manage expectations and reduces delays in payment.

11. Authorized Signature

An authorized signatory (the person responsible on behalf of the seller) should sign the invoice. Depending on the medium used, this can be a physical or digital signature.

12. Terms & Conditions

Any additional clauses relevant to the transaction, such as return policies, service-level agreements, or warranty terms, should be clearly stated.

Including all these components ensures that your tax invoicing process is compliant with regulatory standards and builds trust with your clients. It’s also crucial for accurate bookkeeping and claiming or offering input tax credits.

💡Pro Tip:

Always double-check that your tax invoice includes essential elements like the invoice number, GST registration details, and both billing and shipping addresses. Using invoicing software ensures these details are automatically included, minimizing errors and effortlessly boosting tax compliance.

Is Tax Invoice Same as Receipt?

Vendors produce receipts and invoices before requesting payment from customers. A tax invoice and a receipt are two separate entities, even if they may contain fairly similar information.

In tax invoicing, invoices are given to the customer or business to seek payment before obtaining payment. The expenses, any reductions, the tax on invoice, and buyer and seller information are all included.

When you make a payment, you will be sent a receipt. It demonstrates that money was received and that the taxable trade was completed. It also acts as proof of ownership. The tax invoice includes the products and services provided, as well as any discounts, tax on invoice, payment options, price, and total amount paid.

Importance of Tax Invoices for Businesses

Tax invoices are required to document the delivery of goods or services and for other financial reporting. They are also important for a variety of purposes other than accountancy. 

Let’s take a look at its usefulness: 

  • To back up a tax credit request from a tax-registered customer.
  • To establish whether or not the given goods or services are taxed.
  • To ascertain the payment deadline as of the receipt of the tax invoice.
  • For the state’s tax system to recognize transactions and provide a tax identification or tax proof number
  • A tax invoice will be required to support the claim for the input tax credits.
  • Tax invoices will help the relevant government agency prevent tax evasion.
  • To compute tax charged correctly for a financial year and aid to claim tax relief from the government

Tax invoice Example

The best tax invoice example is let’s assume you performed an AC installation service that costs $2,000. When generating a tax invoice, it will include the service description, the service charge, and applicable taxes. If the tax rate is 14% as GST (or sales tax), the tax payable would be $280.

Therefore, the total amount due from the customer would be $2,280, including the AC service charge and the tax. Once this tax invoice is generated, you should send it to the customer and retain a duplicate copy for your financial records.

This ensures that both you and the customer are clear on the service provided, the taxes applied, and the amount to be collected

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Conclusion

Every small or large business needs to keep track of tax invoices as they have to comply with tax regulations. This invoicing process is not only to fulfill your tax obligations but also to monitor the business’s cash flow and make informed decisions. Since you know the tax invoice meaning and have reviewed the aforementioned steps, you should now have a clear idea of how to create a tax invoice and the importance it holds for your business.

The choice between generating a tax invoice using software or doing it manually is entirely yours. However, we recommend taking benefit of our 7-day free trial to experience how effortless tax invoicing can be with Moon Invoice.

Don’t just let your business run as usual when it has the potential to grow. So, why wait? Start using Moon Invoice today to take your business to new heights.

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Jayanti Katariya
Jayanti Katariya About the author

Jayanti Katariya is the founder & CEO of Moon Invoice, with over a decade of experience in developing SaaS products and the fintech industry. He holds a degree in engineering. Since 2011, Jayanti's expertise has helped thousands of businesses, from small startups to large enterprises, streamline invoicing, estimation, and accounting operations. His vision is to deliver top-tier financial solutions globally, ensuring efficient financial management for all business owners.