What’s Changing in Amendment 42-24
The International Maritime Dangerous Goods (IMDG) Code is the cornerstone of global safety in transporting hazardous materials by sea. Updated every two years by the International Maritime Organisation (IMO), the latest revision — Amendment 42-24 — is poised to bring key regulatory changes. This update becomes optional on January 1, 2025, and mandatory on January 1, 2026.
Whether you’re a shipper, freight forwarder, compliance officer, or logistics manager, understanding these changes early can help you avoid costly delays, regulatory penalties, and training gaps.
When Does Amendment 4 2-24 Take Effect?
The IMO adopts IMDG amendments every two years. Amendment 42-24 will be:
• Optional from January 1, 2025
• Mandatory from January 1, 2026
This gives organisations one year to transition and update their compliance programs.
Key Changes in IMDG Amendment 42-24
🔹 Dangerous Goods List (DGL) Updates
- New UN numbers added for specific materials
- Certain substances reclassified under new hazard categories
- Packing instructions revised for select classes and combinations
🔹 Lithium Battery Transport
• Revised marking and labelling requirements
• Tighter rules for packaging and documentation
• Alignment with UN Model Regulations
🔹 Packaging and Labelling Rules
• Enhanced clarity on pictograms and label placement
• Updates to limited quantity handling procedures
🔹 Definitions and Editorial Revisions
• Expanded explanations for marine pollutants
• Technical clarifications on classification notes
Who Is Affected by These Changes?
These updates impact a wide range of stakeholders in the DG shipping chain, including:
• Shippers and consignors
• Freight forwarders and consolidators
• Packing and warehouse personnel
• DG safety advisors and compliance staff
• Maritime operators and vessel planners
How to Stay Compliant
To ensure you’re ready for Amendment 42-24:
• Update your training programs early in 2025
• Distribute awareness materials to all affected teams
• Review and revise your internal documentation and SOPs
• Monitor IMO bulletins and check for national adoption notices
• Work with a certified DG training provider to stay ahead
Download the IMDG 2025 Cheat Sheet
Want a one-page summary of all the key changes? Download our free IMDG 2025 Cheat Sheet. It includes the most critical updates in Amendment 42-24, explained clearly for shippers, forwarders, and compliance teams.
[Download the Cheat Sheet → Link to Landing Page]
Final Thoughts
Regulatory updates are a constant in the world of dangerous goods transport. Being proactive, well-informed, and properly trained isn’t just good practice — it’s mandatory. Start preparing now so you’re not scrambling in 2026.
Need help? Visit IMDG-course.com to explore accredited online training options or book a consultation with our compliance experts.
