Official UN3373 Regulation Resources
Alpha Laboratories advises all users to consult the official bodies responsible for safe transport of hazardous material.
The absolute rules for shipping Dangerous goods by air.
A guide to the international regulations on the transportation of dangerous goods by air, sea, road, rail or inland waterway
Department for Transport, HSE, Maritime and Coastguard Agency and Civil Aviation Authority
Transport of infectious substances UN2814, UN2900 and UN3373
You can also refer to your courier's website for advice.