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MyInvois e-Invoice Guide for Trading / Sdn Bhd

Malaysia's MyInvois mandate is the biggest change to business invoicing in decades. For trading / sdn bhd, the question isn't if compliance matters — it's when it applies to you, and what you need to prepare. This guide cuts through the LHDN jargon and tells you exactly what to do.

Does this apply to Trading / Sdn Bhd?

Short answer: Mandatory (Phase 4).

The mandate applies to businesses above specific revenue thresholds. Phase 4 — covering businesses with annual turnover above RM 1 million — takes effect from 1 January 2026, with a grace period until 30 June 2026.

MyInvois rollout timeline (all phases)

• August 2024 (Phase 1): Businesses with turnover > RM 100 million
• January 2025 (Phase 2): Businesses with turnover > RM 25 million
• July 2025 (Phase 3): Businesses with turnover > RM 5 million
• January 2026 (Phase 4): All remaining businesses above RM 1 million
• Grace period ends: 30 June 2026 — enforcement begins fully

What fields does LHDN require?

LHDN's MyInvois format requires 55+ fields across the supplier, buyer, line items, and payment sections. Key mandatory ones:

• Tax Identification Number (TIN) — for both supplier and buyer
• Business Registration Number (BRN) — from SSM
• MSIC Code — 5-digit Malaysia Standard Industrial Classification
• Classification Code — per line item, from LHDN CLASS list
• Payment Mode — standardized LHDN codes (01–08)
• Digital Signature — from an approved Certificate Authority

What to do right now as a Trading / Sdn Bhd

1. Register on MyTax Portal to obtain your TIN if you haven't already
2. Locate your BRN from your SSM certificate
3. Identify your MSIC Code from dosm.gov.my
4. Start capturing buyer TIN on all B2B invoices
5. Use InvoiceLah to collect and store all 55 required fields — ready for submission when it launches

Frequently asked questions