In 2026, the e-invoice mandate generally applies to notified taxpayers whose aggregate annual turnover crossed ₹5 crore in any applicable preceding financial year, subject to notified exemptions and document/supply categories. For taxpayers with AATO of ₹10 crore or more, the IRP has applied a 30-day reporting restriction from 1 April 2025. Check your historical AATO and exemption status before assuming e-invoicing is optional.
The threshold test is not only current-year turnover
Use PAN-level AATO history and official IRP enablement/applicability guidance.
Notified registered persons making covered B2B/export and other specified documents
Some entity categories are exempt; verify the current notification list.
They look only at current-year sales or ERP settings
A business can fall within e-invoicing because of earlier turnover even after current revenue declines.
Does this apply to me?
Check PAN AATO history, GSTIN, exemption category, document type and supply type. Then confirm IRP enablement.
| Test | Question | Evidence |
|---|---|---|
| Turnover | Any applicable preceding FY crossed ₹5 crore? | PAN AATO history |
| Exemption | Is taxpayer category exempt? | Notification/IRP guidance |
| Document | B2B/export invoice, credit/debit note covered? | Invoice type |
| Reporting window | AATO ₹10 crore or more? | IRP 30-day advisory |
| Return | Did IRN data match books/GSTR-1? | IRP report + GSTR-1 |
Operating checklist
ERP invoice → IRP JSON → IRN/QR → customer document → accounting sync → GSTR-1 reconciliation → cancellation/amendment workflow.
A ₹7 crore FY 2023-24 business drops to ₹4 crore in FY 2025-26
Historical threshold crossing can still matter; do not switch off e-invoicing based only on current turnover.
Invoice validity and buyer ITC/compliance can be affected
Late or missing IRNs create customer disputes and return mismatch.
We test applicability before implementation
Review covers PAN AATO by FY, exemptions, invoice types, IRP setup, 30-day rule for ₹10 crore+ taxpayers, cancellation controls and GSTR-1 reconciliation.
What TargoLegal would ask for before filing or responding
The exact pack changes by issue, but these controls prevent the most common hand-off and accountability failures.
The proposed filing, payment, reversal, correction or response should be explained before submission. After filing, retain the ARN/filed PDF and any acknowledgement.
Do not make the problem harder to unwind
Reconcile books and source evidence before deciding tax treatment.
Use the exact period that created the mismatch, notice or filing obligation.
A correction should have a written bridge to the original error.
Save return PDFs, ARN, challans and the approved working.
What to send for a first review
Crossing the e-invoice threshold? Send your highest PAN-level AATO for the preceding financial years and business type so applicability and the implementation checklist can be reviewed.
Related questions
What should I send first?
Send the GSTIN, exact tax period and the document or mismatch that triggered the question. That usually determines the rest of the checklist.
Should I pay before reconciling?
Do not make a blind payment merely because a portal difference appears. Establish the legal and factual basis first, unless an undisputed liability is already clear.
Can the GST Portal data be wrong or incomplete?
Portal data is essential evidence but it still has to be reconciled with books, supplier/customer records and the applicable law.
What should I keep after filing?
Retain the filed return PDF, ARN, payment evidence, reconciliation working and any client-approved summary of adjustments.
When should I involve a GST professional?
Professional review is advisable where the issue affects material tax, ITC, notices, refund, registration status, exports, e-invoicing or multiple return periods.
Official sources used
Legal and portal claims on this page were anchored to the official sources below. Secondary discussions are not used as legal authority.
TargoLegal Research and Editorial Desk · Last legally reviewed: 18 August 2026. GST Portal workflows, notifications and due-date extensions should be rechecked immediately before action.
