Imdg Code Latest Edition 2022 [better] 🏆

This version was optional in 2023 and became mandatory throughout 2024 and 2025.

The became mandatory on June 1, 2022 . However, a common industry myth is that the "transition period" lasts forever. It does not. While the IMO allows for a 12-month overlap (until May 31, 2023), most major shipping lines—including Maersk, MSC, and CMA CGM—stopped accepting declarations based on the 2020 edition by December 31, 2022. imdg code latest edition 2022