This guide is designed for practical implementation planning. Adapt each step to the legal entity, source system, transaction profile and current LHDN guidance.
Implementation checklist
- 1
Confirm whether and when the business must implement
Record the owner, evidence, unresolved exceptions and completion date before moving forward.
- 2
Estimate invoices, receipts, credits and self-billed volume
Record the owner, evidence, unresolved exceptions and completion date before moving forward.
- 3
Choose manual, standalone or integrated operation
Record the owner, evidence, unresolved exceptions and completion date before moving forward.
- 4
Clean the minimum critical master data
Record the owner, evidence, unresolved exceptions and completion date before moving forward.
- 5
Test with real users and common customer requests
Record the owner, evidence, unresolved exceptions and completion date before moving forward.
- 6
Keep a simple exception and support process
Record the owner, evidence, unresolved exceptions and completion date before moving forward.
How to use this guide
Do not treat a checked box as proof of production readiness. Review real transaction samples, confirm user ownership and retain evidence from testing. Revisit the checklist when a source system, legal entity or official validation rule changes.
Official references
Use the latest HASiL e-Invoice Guideline, Specific Guideline, FAQs and MyInvois SDK for authoritative rules and technical requirements.