On shipments to, from or transiting through South Africa, the shipper's declaration required by the Technical Instructions, must include a 24-hour emergency response telephone number (including applicable area and international codes) for use in the event of an incident involving the dangerous goods.

The number must be monitored at all times by a person who:

1. is knowledgeable of the hazards and characteristics of the dangerous goods being transported; or

2. has immediate access to a person who possesses such knowledge and information.