Search

Now in Stock: 2020 IMDG Code

Posted on 5/24/2021 by Roger Marks

Updated: 10/26/2023

2022 IMDG Code Takes Effect January 1, 2024

As of January 1, 2024, shippers who offer hazardous materials for transportation by vessel must comply fully with updated requirements in the 2022 IMDG Code (Amendment 41-22).

Browse online and in person 49 CFR, IATA DGR, and IMDG Code training at Lion.com/Hazmat. 

What's New in the 2022 IMDG Code? 

For a look at noteworthy updates likely to impact shippers of hazmat/dangerous goods by vessel in 2024, see our February 2023 update titled 2022 IMDG Code: Important Changes.

Mandatory compliance with the 2022 IMDG Code begins on January 1, 2024.

Revisions and updates to the Code for shippers to consider (as applicable) include: 

  • Relaxed weight limits in some commonly-used packing instructions.
  • Revisions to instructions for IBCs and portable tanks.
  • Change in classification and name for UN 1169 and UN 1197 (i.e., certain liquid extracts)
  • Dozens of changes to the "Dangerous Goods List" in IMDG 3.2.
  • Addition of electrical resistance in ohms to the units of measure table in IMDG 1.2.2.2. 
  • Some shifting of requirements within Part 5 - Consignment Procedures. 

Read more about changes to the IMDG Code taking effect on January 1, 2024 here. 

Shippers and stakeholders can purchase the IMDG Code in Lion's online bookstore.


Lock down required training to ship hazardous materials by highway, air, or vessel—in 2024 and beyond.

In Houston, TX, join Lion for the Complete Multimodal Hazmat Shipper Certification Workshops.


What Was New in the 2020 IMDG Code?

The 2020 IMDG Code came into force on June 1, 2022 and may be applied voluntarily as of January 1, 2021. Update your DG bookshelf and be ready to ship hazardous materials in full compliance with the latest international requirements for vessel transportation. 

Revisions for hazmat vessel shippers included in the 2020 IMDG Code included: 

  • Revisions to harmonize with the 21st Ed. Model regulations
  • Updates to the Dangerous Goods List
  • Changes for lithium battery shippers
  • New naming standard for some marine pollutants
  • Updated and revised special provisions
As of January 1, 2024, the 2020 IMDG Code is no longer valid for shippers of dangerous goods by vessel/cargo ship. The 2022 IMDG Code—and only the 2022 IMDG Code—is in force as of January 1, 2024. 

Find a Post

Compliance Archives

Lion - Quotes

The instructor was great, explaining complex topics in terms that were easily understandable and answering questions clearly and thoroughly.

Brittany Holm

Lab Supervisor

I like Lion's workshops the best because they really dig into the information you need to have when you leave the workshop.

Tom Bush, Jr.

EHS Manager

You blew the doors off the competition!

Stephen Bieschke

Facilities Manager

Very well structured, comprehensive, and comparable to live training seminars I've participated in previously. I will recommend the online course to other colleagues with training requirement needs.

Neil Luciano

EHS Manager

I like the consistency of Lion workshops. The materials are well put together and instructors are top notch!

Kevin Pylka

Permitting, Compliance & Environmental Manager

Lion was very extensive. There was a lot of things that were covered that were actually pertaining to what I do and work with. Great Job. I will be coming back in three years!

Tony Petrik

Hazmat Shipping Professional

The instructor was very very informative, helpful, understandable and pleasant. This course answered many questions I had, being new to this industry.

Frances Mona

Shipping Manager

Lion is my preferred trainer for hazmat and DOT.

Jim Jani

Environmental Coordinator

The instructor had knowledge of regulations and understanding of real-world situations. The presentation style was engaging and fostered a positive atmosphere for information sharing.

Linda Arlen

Safety & Environmental Compliance Officer

Excellent course. Very interactive. Explanations are great whether you get the questions wrong or right.

Gregory Thompson

Environmental, Health & Safety Regional Manager

Download Our Latest Whitepaper

Ace hazmat inspections. Protect personnel. Defend against civil and criminal penalties. How? See the self-audit "best practices" for hazardous materials shippers.

Latest Whitepaper

By submitting your phone number, you agree to receive recurring marketing and training text messages. Consent to receive text messages is not required for any purchases. Text STOP at any time to cancel. Message and data rates may apply. View our Terms & Conditions and Privacy Policy.