Following several industrial incidents, the 2022 edition introduces stricter controls for ammonium nitrate-based fertilizers. A new special provision (SP 394) clarifies that ammonium nitrate emulsions meeting certain criteria are now assigned to a new packing group (PG III), altering stowage and segregation requirements.
The IMDG Code has always mandated training, but Amendment 41-22 reinforces the need for function-specific training (e.g., packer, loader, documentation officer). It encourages e-learning modules and competency assessments, raising the standard of human reliability. imdg code latest edition 2022