E-Invoice Applicability Simplified
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Understand the rules, turnover thresholds, and benefits of e-invoicing in India.



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Mandatory Fields Of An E-Invoice


To ensure compliance, each e-invoice must include specific mandatory fields:

  • Heading: Document heading to understand and defines “Tax Invoice”. Heading on the left side of document.

  • Buyer’s Name and Logo: The business brand logo on invoice. Identifies the business, adding brand recognition.

  • Invoice Number and Date: Purchase order have unique number to track the purchase order.

  • Supplier and Buyer GSTIN: GSTINs of both the supplier and buyer.

  • Invoice Value: Total value of goods or services supplied.

  • Taxable Value: Total taxable value before taxes.

  • Line Item Details: Description, quantity, rate, and amount for each item or service.

  • Tax Details: Breakdown of CGST, SGST, IGST as applicable.

  • Invoice Reference Number (IRN): A unique number generated by the portal for each e-invoice.

  • QR Code: QR code containing essential invoice details for verification.

A Complete Guide To Understanding The E-Invoice Applicability


Apart from that, the e-invoicing system has now presented itself has the silver bullet in the management of invoice processes by minimising errors and improving compliance within the GST regime and in this document presents the applicability of e-invoicing in a stepwise manner, the persons who need to comply with this provision, and lastly usage of GST e-invoicing portal. It also adds to the existing categories of fields that e-invoice mandatory fields, reasons for auto-generation of GSTR1 reports and advantages of such aspects to businesses.


What Is The E-Invoice System, And Who Must Comply?


The e-invoicing framework under GST aims at a comprehensive digital invoicing mechanism where in all invoices are generated including authenticated and organized in a specific manner on the GST portal for e-invoicing. It standardizes invoices across businesses by assuring compliance and accuracy in tax reporting.


Who is E-Invoice Applicable To?


E-invoicing is mandatory for businesses meeting certain turnover and transaction criteria:


  • Turnover Threshold: All businesses whose annual turnover exceeds INR 5 crore shall adhere to the e-invoice rule for all B2B transactions without exception.

  • B2B Transactions: E-invoicing of B2B transactions intends to cover all data points in an automated way so as to validate and enable Input Tax Credit (ITC) claims.

  • Sector-Specific Exemptions: Some sectors, including but not limited to banking, insurance, and special economic zones (SEZs), don't fall into the ambit of e-invoicing as of present.

Such thresholds need to be understood by businesses to remain compliant and avoid penalties.


How Does the GST E-Invoice Portal Work for Businesses?

The GST e-invoicing system is the internal system that is utilized for the task of e-invoice generation, storage, and validation. In this way they can be of utility for organizations:

What is the E-Invoice System, and Who Must Comply?

The e-invoicing framework under GST aims at a comprehensive digital invoicing mechanism where in all invoices are generated including authenticated and organized in a specific manner on the GST portal for e-invoicing. It standardizes invoices across businesses by assuring compliance and accuracy in tax reporting.


  • Access the GST E-Invoice Portal: The users of the businesses access the portal by using the GST E-Invoice Portal and the respective business’ GSTIN.

  • User Roles and Permissions:  Access to e-invoicing can be closely controlled by creating different user roles-e.g., administrator, accountant, auditor etc. This enables the organization to restrict e-invoicing access only to authorized personnel.

  • E-Invoice Generation and Validation: The system provides real-time validation of each invoice raised along with generation of moisture which is IRN and QR code, which are now considered as keystones to compliance.

  • Uploading JSON file: Following mode were used to upload JSON of final invoice or bill:
    1.Upload directly on IRP.
    2.Through GST Suvidha Provider (GSP).
    3.Using third-party apps or software (inlcuding API).
    Supplier can upload the hash along with JSON on IRP.

  • Auto GSTR1 Report Generation: When a business generates an e-invoice, the data is directly entered into the GST system. This automatically generates the GSTR1 report on the GST portal, and populates data into GSTR 3B, ensuring customers can claim timely ITC.


The automated generation of GSTR1 and GSTR 3B reduces manual entries and ensures that businesses stay compliant with GST regulations effortlessly.


Key Benefits of Adopting E-Invoice GST

1. Enhanced Compliance and Operational Accuracy

The e-invoice GST system’s real-time data validation and structured format improve accuracy and compliance, reducing errors and minimizing penalties.

2. Automatic GSTR1 and GSTR 3B Generation

When e-invoices are created, the data automatically syncs with the GST system, generating GSTR1 and GSTR 3B reports. This integration ensures timely ITC claims, improving the business’s cash flow and compliance status.

3. Reduced Fraud and Improved Security

The unique IRN and QR code for each e-invoice enhance traceability and security, helping to prevent fraud and unauthorized changes.

4. Data-Driven Insights for Better Decision-Making

Businesses can leverage e-invoice data analytics to gain insights into sales trends, tax liabilities, and financial performance, which aids in strategic decision-making.

How to Generate an E-Invoice on the GST Portal


Generating an e-invoice in the GST portal is a straightforward process. Here’s a step-by-step guide:


  • 1

    Register on the GST E-Invoice Portal

    Visit the GST e-invoice portal and register your business using your GSTIN credentials.

  • 2

    Enter Invoice Details

    Fill in required fields such as buyer GSTIN, invoice date, line items, and tax information.

  • 3

    Generate the Invoice Reference Number (IRN)

    The portal generates a unique IRN to validate each e-invoice. This IRN serves as the invoice’s unique identifier.

  • 4

    QR Code Generation

    A QR code embedded with key invoice details is generated, ensuring compliance and facilitating quick verification.

  • 5

    Download and Store the E-Invoice

    Once validated, download and store the e-invoice for records and share it with the buyer.


E-Invoice Applicability Across Sectors
Tailoring to Industry Needs


E-invoicing offers sector-specific benefits and applications:

  • Manufacturing: Streamlined vendor coordination, ensuring timely approval and payments.

  • Retail: In the case of e-invoicing for orders in trades between businesses, it speeds up the processes involved in the payment and subsequent collection of cash.

  • Equity: Common stock, retained earnings, and shareholders' equity.

  • Service Sector: Fast approval process for services rendered between two businesses, thus easing regulations and enhancing the flow of cash.


Avoiding Common Mistakes in E-Invoicing


E-invoicing offers sector-specific benefits and applications:

  • Incorrect GSTIN Entries: Always verify GSTIN details against official records before submission.

  • Missed Fields: Ensure all mandatory fields are completed to prevent rejection.

  • Tax Calculation Errors: Utilize the portal’s automatic tax calculation feature to ensure accuracy.


Compliance and Data Security on the GST E-Invoice Portal


The GST e-invoice portal employs robust data security measures to protect sensitive information:

Print-Friendly Icon Encryption

All invoice data is encrypted to prevent unauthorized access.


Customizable Elements Icon User Authentication

Access is limited to authorized personnel, enhancing data confidentiality.


Automated Calculations Icon Secure Storage

E-invoice data is securely stored, ensuring compliance and accessibility for audits.



Future Government Mandates and Expansions in E-Invoicing


As the benefits of e-invoicing become more apparent, the government may expand e-invoice applicability to include smaller businesses. Potential future mandates include:

Lowered Turnover Thresholds: The current threshold of INR 5 crore may be lowered, requiring smaller businesses to comply.

Advanced Technologies: AI-driven validation and analytics could become integrated with the GST e-invoice portal, improving functionality.

Staying informed on these changes will help businesses remain compliant and ready to adapt to future requirements.


Understanding E-Invoice Applicability and Leveraging GST E-Invoicing


Awareness of applicability enables businesses to integrate e-invoicing into their systems while ensuring compliance and operations' efficiencies. The GST e-invoice portal facilitates invoicing through real-time tax compliance enabled by data validation and security services.

Companies wishing to streamline invoicing and stay compliant would greatly benefit from the application of e-invoice systems. From auto-generating GSTR1 and GSTR 3B reports to cutting back on fraud, e-invoicing allows efficient tax compliance. With time, as technology develops, the relevance of GST e-invoicing will be furthered with respect to business compliance and financial management. Today, embrace e-invoicing to secure your business's future in the digital economy.


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