LHDN is no longer just asking whether your business issues e-Invoices. They are checking how you issue them, and whether your numbers tell a consistent story. Since e-Invoice implementation began on 1 August 2024, HASiL has actively used transaction data to cross-match against tax returns.
Recent press statements confirm that more than 500,000 potential cases have been flagged where financial activity does not match existing tax records. This data-matching exercise has already resulted in 38,906 taxpayers voluntarily declaring RM3.5 billion in previously unreported income.
Here are the 5 red flags in your e-Invoice data that can trigger an LHDN review.
1. Your e-Invoice Revenue Does Not Match Your Tax Return
If your MyInvois portal shows validated e-Invoices totalling RM10 million, but your Form C or Form B declares RM6 million in income, that gap is visible the moment HASiL runs a data match. No audit officer needs to visit your premises to identify this discrepancy.
HASiL confirmed in its February 2026 press statement that more than 500,000 potential cases were flagged for exactly this pattern — high financial activity with no corresponding tax record.
KS Chia's take: The reconciliation between your MyInvois submission log and your audited accounts is now a compliance document. If those two numbers cannot be explained and reconciled, you are exposed before anyone asks a single question.
2. Frequent Cancellations and Credit Notes
The occasional credit note is normal business practice. But a pattern of frequent cancellations or credit notes — particularly with related companies, major customers, or at year-end — signals potential revenue reversal activity.
Under the e-Invoice framework, credit notes, debit notes, and refund notes are all submitted to and validated through the MyInvois portal. The full transaction trail is visible to HASiL. Adjustments do not disappear — they create a data record of their own.
KS Chia's take: Every credit note should have a clear, documented business reason that your finance team can explain immediately. If the justification is not on file, the pattern will be the story.
3. Invoice Splitting to Avoid the RM10,000 Threshold
For Phase 1, 2, and 3 businesses: the RM10,000 threshold is fully operative now. Every single transaction above RM10,000 requires its own individual validated e-Invoice. Artificially splitting one RM15,000 transaction into two RM7,500 invoices to route it through the consolidated channel is precisely the type of invoicing anomaly that data-matching analytics is designed to surface.
For Phase 4 businesses: the RM10,000 rule is suspended during the relaxation period. Under e-Invoice Specific Guideline Version 4.7, Section 16.2(a) overrides the standing obligation in Section 3.7 — Phase 4 taxpayers may issue consolidated e-Invoices for all transactions, including those above RM10,000, until 31 December 2027.
KS Chia's take: The relaxation is real and significant — but it expires 1 January 2028. Phase 4 businesses should use this window to build the right workflows now. For any Phase 1-3 client, invoice splitting above RM10,000 is a workflow risk that needs to be corrected today.
4. Self-Billed e-Invoices Your Supplier Did Not Reflect
If your customer issues a self-billed e-Invoice to you — for commission payments, freight rebates, sub-contractor fees — that transaction is validated in the MyInvois portal and visible to HASiL. If your books do not reflect the same amount, or you never declared that income at all, the mismatch is automatic.
KS Chia's take: This catches many SME clients off guard — particularly agents, sub-contractors, and logistics operators who assume "if I did not issue the invoice, there is nothing to declare." Under self-billing, your customer creates the record. Your obligation to declare the income exists regardless of who generated the document.
5. Operational Records That Do Not Align With Your e-Invoice Trail
At the system level, HASiL cross-references validated e-Invoice data against filed tax returns to identify income discrepancies. In a field audit, LHDN officers go further — comparing physical delivery orders, goods received notes, stock movement records, and e-Invoice logs.
If your delivery order shows 500 units dispatched but your e-Invoice records show only 400 units billed, that discrepancy will be queried and documented.
KS Chia's take: e-Invoice data does not replace field audits — it makes the starting point for a field audit far easier to identify and justify. For trading, manufacturing, and logistics businesses, your warehouse, operations, and sales teams now generate data that feeds directly into your tax risk profile. This is not just a finance department issue.
What You Should Do Now
• Reconcile your MyInvois submission log against your YA 2024 and YA 2025 declared income — now, before filing season closes.
• Review your credit note and cancellation log for patterns that cannot be immediately explained.
• If you are Phase 1, 2, or 3 — check your invoicing workflow for any transactions above RM10,000 being processed through the consolidated route.
• If you received a nudge letter — act before it becomes a formal audit notice. Voluntary disclosure at this stage carries materially lower penalty exposure.
• If you are Phase 4 — use the relaxation period to build compliant workflows. 1 January 2028 is a hard deadline.
Need Help?
Contact KS Chia & Associates (AF001828) for professional advice on e-Invoice compliance and tax risk management.
Sources:
•HASiL press statement HASiL/2026/02/03–10, dated 03/02/2026
•HASiL press statement HASiL/2026/04/27–25, dated 27/04/2026
•e-Invoice Specific Guideline V4.7, Sections 3.7, 16.2(a), and 16.2(d)

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