Key updates in this edition
- Batteries: provisions for hybrid batteries combining lithium ion and sodium ion cells, and new entries covering certain transport configurations.
- Packaging: the use of recycled plastics in flexible intermediate bulk containers, and clarification of requirements for solids that may become liquid during transport.
- Environment: packaging exemptions for small quantities of liquids classified as environmentally hazardous.
- Hydrogen: provisions for the transport of liquid organic hydrogen carriers (LOHCs).
- Technical requirements: updated references to ISO standards and new provisions for salvage pressure receptacles and fibre-reinforced plastics (FRP) service equipment for portable tanks.
Application to transport rules
This publication provides a basis for harmonising ADR, RID, ADN, the IMDG Code and the ICAO Technical Instructions. Its updates become mandatory as they are incorporated into the regulations governing each mode of transport, according to their respective implementation schedules.
A useful resource for dangerous goods safety advisers, trainers and those responsible for dangerous goods operations who want to anticipate changes and prepare to update their procedures.
Read the official texts in English and Spanish
Recommendations on the Transport of Dangerous Goods — Model Regulations, 24th revised edition (2025).
| Language | Volume I | Volume II |
|---|---|---|
| English | Volume I — English (PDF) | Volume II — English (PDF) |
| Español | Volumen I — Español (PDF) | Volumen II — Español (PDF) |