Document Required for GST E-Invoicing in India

Businesses liable for GST e-invoicing must understand every Document Required for GST e-invoicing software in India before initiating the registration and compliance process. The GST e-invoicing system mandates a specific set of documents to authenticate business identity, validate invoices, and ensure seamless integration with the Invoice Registration Portal (IRP). Explore GST e-invoicing India and prepare your documentation accurately to stay compliant with the latest GST regulations.

What Are the Documents Required for GST E-Invoicing Software in India?

The GST e-invoicing documents India requirement is governed by the Central Goods and Services Tax (CGST) Act and the e-invoicing notifications issued by the GST Council. Every eligible taxpayer must compile and submit the correct documents to register on the IRP and commence e-invoice generation without delays or errors.

1. GSTIN (Goods and Services Tax Identification Number)

The GSTIN is the most fundamental among all e-invoice registration documents. It is a 15-digit unique identifier assigned to every registered GST taxpayer in India.

  • Mandatory Requirement: A valid and active GSTIN is compulsory for registering on the IRP portal.
  • Format: The GSTIN follows the format: 2-digit state code + 10-digit PAN + 1-digit entity number + 1 digit Z + 1 check digit.
  • Verification: The GSTIN must be verified on the GST portal before initiating e-invoice registration.
  • Multiple GSTINs: Businesses with multiple branches must register each GSTIN separately on the IRP.
  • Active Status: The GSTIN must be in active status — suspended or cancelled GSTINs are not eligible for e-invoicing.

2. PAN Card of the Business

The PAN card of the business entity is a key part of the GST e-invoice checklist India. It serves as the primary identity document linking the business to its GSTIN and tax records.

  • For Companies: Company PAN card issued by the Income Tax Department.
  • For LLPs: LLP PAN card along with the LLP agreement.
  • For Proprietorships: Proprietor's personal PAN card.
  • For Partnerships: Firm PAN card along with the partnership deed.
  • Verification: PAN must match the details recorded in the GST registration certificate.

3. GST Registration Certificate

The GST registration certificate is a mandatory document for the e-invoicing system documents submission. It confirms the legal status of the taxpayer and their eligibility to generate e-invoices.

  • Must be a valid, active certificate without any suspension or cancellation orders.
  • The certificate must reflect the correct business name, principal place of business, and GSTIN.
  • Any amendments to the GST registration must be updated before initiating e-invoice compliance.

Businesses that need to update their GST registration details before commencing e-invoicing can complete the process through GST e-invoice rules India amendment services to ensure all registration data is accurate and current.

4. Digital Signature Certificate (DSC)

A Digital Signature Certificate is an essential part of the e-invoice generation documents for businesses filing through certain modes on the IRP portal.

  • Class 3 DSC: Required for companies and LLPs for signing invoices and API-based integrations.
  • Issuing Authority: DSC must be obtained from a certified authority recognised by the Controller of Certifying Authorities (CCA).
  • Validity: DSC must be valid at the time of use — typically issued for 1 or 2 years.
  • USB Token: The DSC is stored on a USB token device and must be available during the signing process.
  • Authorised Signatory: The DSC must be in the name of the authorised signatory of the business as registered with the GST portal.

5. Authorised Signatory Details

The details of the authorised signatory are a critical component of the GST invoice documents India submission. The authorised signatory is the person responsible for signing and submitting e-invoices on behalf of the business.

  • Name and Designation: Full name and designation of the authorised signatory.
  • Mobile Number: Registered mobile number linked to the GST portal.
  • Email ID: Registered email ID linked to the GST portal for OTP-based authentication.
  • Aadhaar: Aadhaar-based verification may be required for EVC mode.
  • Board Resolution / Authorisation Letter: For companies and LLPs, a board resolution authorising the signatory must be submitted.

6. Bank Account Details

Bank account details are required as part of the GST e-invoice application documents to validate the financial identity of the business on the IRP portal.

  • Account Number: Primary business bank account number.
  • IFSC Code: Indian Financial System Code of the bank branch.
  • Cancelled Cheque or Bank Statement: To verify account details.
  • Account Holder Name: Must match the business name registered on the GST portal.

7. API Credentials and ERP Integration Documents

Businesses integrating their ERP or accounting software with the IRP for automated e-invoice generation must submit additional digital invoice documents India for API-based integration.

  • API Access Request: Application for API access credentials from the IRP portal.
  • ERP System Details: Name, version, and vendor details of the ERP or accounting software being used.
  • IP Whitelisting Request: Submission of business IP addresses for whitelisting on the IRP server.
  • Client ID and Secret Key: Generated upon successful API registration on the IRP portal.
  • Sandbox Testing Credentials: Required for testing the e-invoice integration before going live.

Businesses looking to understand the complete e-invoicing framework can explore the detailed e-invoice compliance India guide for a comprehensive understanding of the system, applicability, and compliance obligations.

8. Invoice Details and Format Documents

The e-invoice schema prescribed by the GST Council defines the mandatory fields and format for every e-invoice as part of the e-invoicing compliance documents checklist.

  • Invoice Schema (JSON Format): The standard e-invoice schema in JSON format as prescribed by the GSTN.
  • Mandatory Invoice Fields: Supplier GSTIN, buyer GSTIN, invoice number, invoice date, taxable value, GST rate, and tax amount.
  • HSN/SAC Code: Correct HSN code for goods or SAC code for services must be mentioned on every invoice.
  • IRN Generation: Each invoice must be submitted to the IRP to obtain a unique Invoice Reference Number (IRN).
  • QR Code: The IRP generates a signed QR code that must be printed on every e-invoice issued to the buyer.

How Does the GST E-Invoicing Registration Process Work in India?

Understanding the e-invoice registration checklist and the step-by-step process helps businesses prepare all GST portal documents India effectively. The registration is conducted on the IRP portal and involves multiple stages from GSTIN verification to API integration.

Step-by-Step GST E-Invoicing Registration Procedure

  1. Verify GSTIN: Confirm that the GSTIN is active and all registration details are up to date on the GST portal.
  2. Gather Documents: Compile all e-invoice software documents including PAN card, GST certificate, DSC, and authorised signatory details.
  3. Register on IRP Portal: Visit the official IRP portal and complete the e-invoice registration using the GSTIN and OTP-based verification.
  4. Configure API Access: For software-based filing, apply for API credentials and complete the IP whitelisting process.
  5. Integrate ERP Software: Configure the GST billing software India with the IRP API for automated e-invoice generation.
  6. Test in Sandbox: Conduct end-to-end testing of the e-invoice generation process in the sandbox environment before going live.
  7. Go Live: Once testing is successful, begin generating live e-invoices with IRN and QR codes for all applicable transactions.

Who Is Eligible for GST E-Invoicing in India?

Understanding GST e-invoice eligibility is an important part of the documents for GST e-invoicing preparation process. The GST Council has progressively lowered the turnover threshold for e-invoicing applicability in India.

Aggregate Annual TurnoverE-Invoicing ApplicabilityEffective Date
Above ₹500 CroresMandatory1st October 2020
Above ₹100 CroresMandatory1st January 2021
Above ₹50 CroresMandatory1st April 2021
Above ₹20 CroresMandatory1st April 2022
Above ₹10 CroresMandatory1st October 2022
Above ₹5 CroresMandatory1st August 2023

Businesses that need to complete their GST registration before commencing e-invoicing can initiate the process through GST registration India services to obtain a valid GSTIN.

What Are the Common Errors in GST E-Invoice Document Submission in India?

Even after gathering all GST e-invoice application India documents, businesses often encounter errors during the submission and IRN generation process. Understanding common errors helps avoid compliance penalties and invoice rejections on the IRP portal.

Frequent E-Invoice Submission Errors

  • Invalid or inactive GSTIN of the supplier or buyer leading to IRN generation failure.
  • Mismatch between the invoice details and the GST registration data on the portal.
  • Incorrect HSN or SAC codes causing schema validation errors on the IRP.
  • Expired or invalid DSC causing authentication failures during invoice signing.
  • Missing mandatory invoice fields such as place of supply or tax amount.
  • Duplicate invoice numbers being submitted to the IRP portal.
  • API integration errors due to incorrect IP whitelisting or expired client credentials.

Businesses facing compliance challenges can also explore e-invoice compliance India revocation services to address GST registration issues that may impact e-invoicing eligibility.

What Is the Cost of GST E-Invoicing Software in India?

The cost of implementing GST e-invoicing software India depends on the type of solution chosen — whether it is a direct IRP portal-based approach, a GST Suvidha Provider (GSP) solution, or an ERP-integrated API-based system.

Service ComponentApproximate Cost
IRP Portal Registration (Government)Free
DSC (Class 3) Procurement₹1,500 – ₹3,000
GSP-based E-Invoicing Solution₹5,000 – ₹25,000 per year
ERP Integration and API Setup₹10,000 – ₹50,000
Professional / Consultant Fee₹2,000 – ₹10,000

Businesses managing their annual GST compliance can also benefit from filing their e-invoice system India annual return accurately to maintain a clean compliance record alongside e-invoicing obligations.

Why Choose IndiaFilings for GST E-Invoicing in India?

IndiaFilings is a trusted partner for GST e-invoice generation and end-to-end e-invoicing compliance in India. With a team of experienced GST professionals, the platform helps businesses compile all required documents, register on the IRP portal, and integrate their billing systems seamlessly.

From verifying GSTIN status to configuring API credentials and setting up e-invoice registration checklist workflows, IndiaFilings manages every step of the e-invoicing implementation process with precision and expertise.

Thousands of businesses across India have successfully implemented GST e-invoicing with the help of GST e-invoice eligibility assessment and expert guidance from IndiaFilings, making it the most preferred platform for GST compliance services.

Ready to implement GST e-invoicing for your business without any hassle? Compile all the required documents and begin your e-invoice compliance journey today. Register for GST e-invoicing now with IndiaFilings and ensure full compliance with the latest GST e-invoicing regulations in India.

Frequently asked questions

Common questions about GST E Invoicing Software Documents Checklist in India.