IRBM Issues Further Guidance on Mandatory E-Invoicing Implementation

The Inland Revenue Board of Malaysia (IRBM) has published additional guidance to support the gradual rollout of mandatory e-invoicing for targeted taxpayers in Malaysia.

On 29 September 2023, IRBM released a set of updated and new documents to clarify implementation scope, technical requirements, and transaction-specific scenarios. These include:

• E-Invoice Guideline Version 2.0, updating the earlier version issued in July 2023
• E-Invoice Issuance Specific Guideline Version 1.0
• E-Invoice Catalogue

Key Updates in the E-Invoice Guideline Version 2.0

The revised guideline introduces several important clarifications, including:

• Exemptions for certain parties, such as government bodies
• Detailed explanation of transmission methods using APIs
• Definition of near real-time e-invoice validation
• Clarification of validated invoice content, including:
  • IRBM Unique Identifier Number
  • Validation date and time
  • Validation reference link
• Clarification on the implications when a buyer requests rejection of an e-invoice
• A clearer definition of the Software Development Kit (SDK)

Overview of the E-Invoice Issuance Specific Guideline Version 1.0

This document provides detailed guidance on how e-invoices should be issued across different business scenarios, including:

• Transactions with buyers
• Payments to agents, dealers, and distributors
• Cross-border transactions
• Periodic statements and billing
• Disbursements, reimbursements, and profit distributions
• Foreign income and exchange rate treatment
• Self-billed e-invoices
• Employment benefits and employee-incurred expenses
• API-based issuance processes

Overview of the E-Invoice Catalogue

The e-Invoice Catalogue supports implementation by defining key technical and classification elements, such as:

• Malaysia Standard Industrial Classification (MSIC) codes
• Invoice currency codes
• Billing frequency
• E-invoice classification and tax types
• Payment modes
• Country of origin codes

Together, these documents provide businesses with greater clarity on compliance, technical setup, and transaction handling as Malaysia moves toward mandatory e-invoicing.