International Air Transport Association
IATA Dangerous Goods Legislation

The organisation represents and leads the airline industry.
A soft copy of the IATA dangerous goods legislation can be found here along with guidance documents on significant changes to the legislation in 2016

IATA have also issued a guidance document on the transport of Lithium metal and Lithium ion batteries. TRANS_IATA_Guidance

Many airlines also declare a requirement for an emergency telephone number before they will take a shipment, click here to view. For a full list of countries and airlines that demand this provision please click here.