---
title: "What features should an e-invoicing software possess? %sep% %sitename%"
description: "Selecting a software that matches your requirements is very important. Know what basic features a software should possess to aid you in making your tasks easier"
canonical: "https://busy.in/gst/what-to-consider-before-selecting-an-e-invoice-solution/"
author: "Rithesh Bajoriya"
published: "2023-02-22T05:00:00.000Z"
category: "GST"
---

-   Confirm whether e-invoicing applies to your business under the current ₹5 crore threshold and notified exemptions.
-   Taxpayers with AATO of ₹10 crore or more need controls for the 30-day IRP reporting restriction.
-   The system should support the ship-to GSTIN and e-way bill API changes effective from 1 August 2026.
-   Test validation, cancellations, bulk failures, API retries, multi-GSTIN access, and GSTR-1 reconciliation before selection.

# How to Choose the Right E-Invoicing Solution in 2026

This guide is for finance teams, accountants, ERP owners, and developers comparing e-invoicing software for B2B, export, and e-way bill workflows.

## Compliance Checks Before Comparing Solutions

E-invoicing generally applies to notified taxpayers whose [**aggregate annual turnover exceeded**](https://busy.in/gst/e-invoicing-turnover-limit-vs-gst-threshold-whats-the-difference-and-why-it-matters/) ₹5 crore in any financial year from 2017-18 onwards. The turnover test is PAN-based and covers prescribed invoices, credit notes, and debit notes issued to registered persons, as well as applicable export and deemed export documents.

Specified supplier categories remain exempt, including insurers, banking companies and financial institutions, goods transport agencies, passenger transport suppliers, multiplex admission suppliers, SEZ units, government departments and local authorities. Before evaluating a solution, confirm that it supports these operational rules:

-   The [**30-day reporting restriction**](https://busy.in/gst/e-invoicing-mandate-for-businesses-with-annual-turnover-over-rs-10-crore/) applicable from 1 April 2025 to taxpayers with Annual Aggregate Turnover (AATO) of ₹10 crore or more
-   Case-insensitive document-number checks followed by IRPs from 1 June 2025
-   The [**ship-to GSTIN and e-way bill**](https://busy.in/gst/bill-to-ship-to-gst-eway-bill/) API validations effective from 1 August 2026
-   [**IRN cancellation through the IRP**](https://busy.in/gst/how-to-amend-or-cancel-a-gst-e-invoice-step-by-step-guide/) within 24 hours
-   A signed QR code on the invoice issued to the buyer

For a taxpayer covered by the mandate, Rule 48(5) states that an [**invoice issued outside the prescribed process**](https://busy.in/gst/common-mistakes-while-creating-an-e-invoice/) is not treated as an invoice. The system should therefore clearly flag failed IRN generation and prevent the document from being treated as successfully authenticated.

## **Capabilities to Evaluate in an E-Invoicing Solution**

A suitable e-invoicing system should prevent errors before submission, maintain a clear record after IRN generation, and recover safely when a portal or integration fails. Instead of checking features in isolation, evaluate how the complete workflow performs from [**invoice creation to GSTR-1 reconciliation**](https://busy.in/gst/auto-population-of-e-invoice-details-into-the-gstr-1/) .

### **Core Capabilities to Compare**

| Evaluation Area | What a Suitable System Should Do |
| --- | --- |
| Invoice validation | [Check GSTINs, document dates](https://busy.in/gst/gstin-everything-you-need-to-know/), duplicate numbers, place of supply, HSN or SAC, tax values, bill-to and ship-to details, and mandatory e-way bill fields before submission. |
| IRN and QR code generation | Submit eligible documents to an authorised IRP and store the IRN, acknowledgement details, signed QR code, submission response, and user activity. |
| Reporting deadlines and corrections | Track documents approaching the 30-day reporting limit, control document-date changes, and support IRN cancellation within 24 hours. |
| E-way bill workflow | Reuse invoice data for [e-way bill generation](https://busy.in/gst/e-way-bills-the-complete-guide/) and support transporter details, Part B updates, cancellations, permitted extensions, and bill-to and ship-to transactions. |
| Bulk and API processing | Process the expected invoice volume, [isolate failed records](https://busy.in/gst/common-mistakes-while-creating-an-e-invoice/), support duplicate-safe retries, and provide document-level error reports. |
| Multi-GSTIN controls | Map each branch to the correct GSTIN, credentials, document series, and user permissions while allowing central monitoring. |
| Failure recovery | Queue pending documents, control retries, support manual JSON upload or a configured alternate IRP route, and show invoices awaiting authentication. |
| Reconciliation and audit trail | Compare [accounting records, IRP responses](https://busy.in/gst/reconciliation-under-gst/), and GSTR-1 data while retaining cancellation, override, and user-action logs. |
| Security and data control | Protect credentials and invoice data through access controls, encryption, backups, logs, and documented recovery procedures. |

### **Error Messages That Speed Up Resolution**

Validation is useful only when the user can understand the error. A message such as “IRP submission failed” does not explain whether the problem is an invalid GSTIN, an incorrect tax value, a missing ship-to GSTIN, or an unsupported document date. A suitable system should identify:

-   The affected invoice
-   The field that failed validation
-   The reason for rejection
-   The correction required
-   Whether the invoice can be resubmitted

This becomes particularly important during bulk processing, where one incorrect record should not prevent users from identifying and processing the remaining valid invoices.

### **Test the System at Real Business Volumes**

There is no standard batch size or processing speed suitable for every business. A company generating 100 invoices a day has different requirements from one generating several thousand invoices during a peak dispatch period. Ask the vendor to test the product using a volume close to your actual workload. The test should include:

-   Peak-hour processing
-   A batch containing both valid and invalid records
-   Partial failures
-   Correction and resubmission
-   Duplicate-safe retries
-   Status visibility for each document

Claims such as “instant IRN generation” have limited value unless the vendor can demonstrate performance under realistic conditions.

### **Verify How the System Handles Lost IRP Responses**

One of the most important API tests is when the IRP processes the invoice, but the accounting system does not receive the response due to a timeout. The software should first check whether an IRN has already been generated before resubmitting the document. Otherwise, the ERP may show the invoice as pending even though it has been authenticated, or an uncontrolled retry may return a duplicate-document error. Ask the vendor to demonstrate how the system identifies and resolves this situation.

### **Plan for IRP and Connectivity Failures**

An offline utility can prepare invoice data, validate fields, or create a JSON file, but it cannot generate a [**valid IRN or signed QR code**](https://busy.in/gst/all-about-invoice-reference-number-irn/) on its own. These are generated only after the document is successfully submitted to an authorised IRP.

During an outage, the system should clearly indicate whether an invoice has been prepared locally, is awaiting submission, has been submitted but is awaiting confirmation, or has been successfully authenticated. It should never mark a locally created invoice as IRP-authenticated before receiving a successful response.

### **Prioritise Compliance Controls Over Extra Features**

Sales dashboards, payment reminders, and receivable ageing can be useful, but they should not compensate for weak invoice validation, cancellation handling, reconciliation, or failure recovery. During evaluation, prioritise controls that prevent an invalid document, missed reporting deadline, or failed integration from affecting dispatch and GST reporting.

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## BUSY Integrates With IRP and Automates IRN Generation

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## **Match the Solution to Your Business**

Turnover alone does not determine the right e-invoicing system. Invoice volume, branch structure, dispatch process, and integration requirements are often more important.

### **Requirements by Business Workflow**

| Business Workflow | What to Prioritise |
| --- | --- |
| Low-volume business with one GSTIN | Simple invoice generation, clear error messages, cancellation support, and basic reconciliation. |
| Multi-branch business | Central monitoring, GSTIN-level access controls, and branch-wise exception reports. |
| High-volume invoice operation | Bulk processing, partial-failure handling, and duplicate-safe retries. |
| API-led enterprise | Sandbox access, detailed logs, timeout recovery, and advance notice of scheme changes. |
| Business with complex dispatch flows | [Bill-to and ship-to handling](https://busy.in/gst/bill-to-ship-to-gst-eway-bill/), transporter details, Part B updates, and e-way bill integration. |
| Exporter or SEZ supplier | Correct export type, LUT or IGST treatment, currency handling, and export-specific fields. |

### **Industry-Specific Checks**

| Business Type | Transactions to Test |
| --- | --- |
| Manufacturing and trading | Failed IRNs linked to dispatch, differences between invoice and inventory quantities, transporter changes, and cancelled invoices linked to active dispatch records. |
| Service businesses | SAC selection, place of supply, reverse-charge treatment, milestone billing, credit notes, and adjustment of advance receipts against later tax invoices. |
| Exporters | Export with IGST, export under LUT or bond, foreign-currency invoices, port and shipping details, and [credit notes against export invoices](https://busy.in/gst/guide-to-a-credit-note-under-gst/). |

## **How BUSY Supports E-Invoicing**

BUSY [**e-invoicing software**](https://busy.in/accounting-software/e-invoice/) supports e-invoice generation within the accounting workflow, including invoice validation, direct IRP submission, IRN generation, and QR code handling.

This integrated process can reduce the need to re-enter invoice data on a separate portal and help maintain a clearer link between the accounting voucher and IRP response.

Businesses can evaluate BUSY with a 15-day free trial, no credit card required. The standard trial does not include API-integrated features, so ERP and development teams should request a technical demonstration or confirm the availability of an API testing process separately.

Before implementation, businesses should test the software against their own invoice volumes, GSTIN structure, dispatch processes, and exception scenarios.

## **Conclusion**

An e-invoicing solution should do more than submit correct invoices to the IRP. It should identify errors early, show which documents need action, and maintain a clear record when a submission, cancellation, or integration fails.

Before selection, test the solution with your actual GSTIN structure, invoice volumes, dispatch process, and exception cases. A successful standard invoice does not prove that the system can handle documents outside the reporting period, API timeouts, cancellations, or complex [**bill-to and ship-to transactions**](https://busy.in/gst/bill-to-ship-to-gst-eway-bill/) .

## About the author

**Rithesh Bajoriya**

As a Chartered Accountant with over 18 years of experience, I have honed my skills in the field and developed a genuine passion for writing. I specialize in crafting insightful content on topics such as GST, income tax, audits, and accounts payable. By focusing on delivering information that is both engaging and informative, my aim is to share valuable insights that resonate with readers.

## Frequently asked questions

### Is e-invoicing mandatory for B2C invoices?

No. B2C invoices are generally outside the e-invoicing mandate. A separate dynamic QR code requirement may apply to specified B2C invoices issued by notified taxpayers whose aggregate turnover exceeded ₹500 crore in an applicable financial year, subject to prescribed conditions and exclusions.

### Does enabling the e-invoice portal confirm that e-invoicing is legally applicable?

No. Enablement on an e-invoice portal does not by itself establish a legal obligation to issue e-invoices. Applicability must be checked using the PAN-based turnover history, the document and supply type, and any available exemptions to the supplier. An eligible taxpayer who is not enabled may use the self-enablement facility.

### Are bills of supply and delivery challans reported to the IRP?

No. The e-invoicing system covers prescribed tax [**invoices, credit notes, and debit notes**](https://busy.in/gst/debit-notes-vs-credit-notes-key-differences-and-when-to-use-them/) . A bill of supply, delivery challan, or job-work challan is not reported to the IRP for IRN generation. An e-way bill may still be required for the movement of goods under a delivery challan, depending on the transaction and applicable rules.

### Is e-invoicing required for nil-rated or wholly exempt supplies?

No. A bill of supply is issued for nil-rated or wholly exempt supplies, and it is not reported to the IRP. Where taxable and exempt supplies are made together to an unregistered person, Rule 46A permits the supplier to issue a single invoice-cum-bill of supply. Since the recipient is unregistered, this document is also outside the current e-invoicing mandate.

### Does e-invoicing apply when GST is payable under reverse charge?

It depends on who issues the invoice. Where a taxpayer covered by e-invoicing issues an invoice for an outward supply that is subject to reverse charge under Section 9(3), the invoice must still be reported to the IRP.

E-invoicing does not apply to recipient-generated documents relating to specified inward supplies from unregistered persons or to imports of services

### Are financial or commercial credit notes required to be reported to the IRP?

No. A financial or commercial credit note that does not adjust GST liability is not reported for IRN generation. Only credit notes and debit notes issued under Section 34 of the CGST Act and covered by the e-invoicing mandate must be reported to the IRP.

### Does the IRP create and send the invoice to the buyer?

No. The supplier continues to create the invoice in its accounting, billing, or ERP system and reports the prescribed data to an authorised IRP. After successful validation, the IRP returns the IRN, signed QR code, and signed invoice data. The supplier remains responsible for issuing or sharing the authenticated invoice with the buyer.

### How can a buyer verify an e-invoice?

A buyer can scan the signed QR code using the GSTN e-Invoice QR Code Verifier app. The IRN may also be checked through the Search IRN facility on the e-invoice master information portal. Verification helps confirm that the document was successfully reported to an authorised IRP.

### Is e-invoicing required between two GSTINs held under the same PAN?

Yes, where the supplier is covered by the mandate and issues an eligible document to another registered GSTIN under the same PAN. Each GST registration is treated as a distinct person under GST. An invoice between two such registrations is therefore treated as a supply to a registered recipient for e-invoicing purposes.

## Related articles

- [GST Invoice Checklist: What to Check Before Sending to Customers](https://busy.in/gst/gst-invoice-checklist-what-to-check-before-sending-to-customers/)
- [Invoice Numbering Mistakes Under GST: Causes, Corrections and Prevention](https://busy.in/gst/invoice-numbering-mistakes-under-gst-causes-corrections-and-prevention/)
- [GST Invoice Management System (IMS): Complete Guide for Taxpayers in 2026](https://busy.in/gst/how-the-new-invoice-management-system-under-gst-simplifies-tax-compliance-for-taxpayers/)
- [Top Features to Look for in Billing Software For Travel Agencies](https://busy.in/gst/top-features-to-look-for-in-billing-software-for-travel-agencies/)
- [Pharma Billing Software: Improving Accuracy in Prescription Management](https://busy.in/gst/pharma-billing-software-improving-accuracy-in-prescription-management/)
- [Some Common Myths About E-Invoicing](https://busy.in/gst/some-common-myths-about-e-invoicing/)
- [How To Generate E-invoices In Bulk](https://busy.in/gst/how-to-generate-e-invoices-in-bulk/)
- [Capital Receipts vs Revenue Receipts: Meaning, Key Differences, Tax Treatment, and Examples](https://busy.in/gst/capital-receipts-vs-revenue-receipts-meaning-key-differences-and-examples/)
- [Proforma Invoice Under GST: Meaning, Format, Rules & Complete Guide (2026)](https://busy.in/gst/proforma-invoice-under-gst-what-it-is-and-how-it-works/)
- [Why Every Small Business Needs Billing Software in 2025](https://busy.in/gst/why-every-small-business-needs-billing-software-in-2025/)