The definitive statement as to the functions and duties of the dangerous goods safety adviser (DGSA) can be found in the TDGSA regulations, but the main duties can be summarised as follows:

• To monitor compliance with the legislation and recommendations governing the transport of dangerous goods.
• To advise the employer on the health, safety and environmental issues in relation to the transport of dangerous goods.
• To ensure that an annual report is prepared and provided to the employer on the company's activities in relation to the transport of dangerous goods.
• To monitor the practices and procedures. Dangerous Goods Declaration

As a shipper you are responsible for the completion of a prescribed declaration form, “Shipper’s declaration for Dangerous Goods”, for each and every shipment containing dangerous goods so defined or classified in the relevant Regulations unless it is stated that a Shipper’s Declaration is not required. For each shipment containing dangerous goods the shipper must:
a) Use only the correct form in the correct manner.
b) Complete the form accurately and legibly.
c) Ensure that the form is properly signed when the shipment is presented to the operator for shipment.
d) Ensure that the shipment has been prepared in accordance with the relevant Regulations.