If you or your staff don’t already know then you must seek advice or attend an appropriate training course.
Ignorance of the regulations features in 80% of Dangerous Goods incidents and heavy fines are regularly imposed by the courts.
Some items are more obvious than others! Explosives, and radioactive materials, for example are fairly obvious. But how do you know, for example, whether or not a particular liquid is classed as corrosive? Many everyday items are classed as dangerous. Even though once the items are properly classified, packed, and documented, as required in law, they are no longer dangerous, they are still classified as ‘Dangerous Goods’.