(TRGS) 220 "National aspects when compiling safety data sheets". A national measure mentioned in SDS section 15 is as example the water hazard class (WGK) it is based on regulations governing systems for handling substances hazardous to waters (AwSV). The Netherlands Dutch Safety Data Sheets are well known as veiligheidsinformatieblad or Chemiekaarten. This is a collection of Safety Data Sheets of the most widely used chemicals. The Chemiekaarten boek is commercially available, but also made available through educational institutes, such as the web site offered by the University of Groningen. South Africa This section contributes to a better understanding of the regulations governing SDS within the South African framework. As regulations may change, it is the responsibility of the reader to verify the validity of the regulations mentioned in text. As globalisation increased and countries engaged in cross-border trade, the quantity of hazardous material crossing international borders amplified. Realising the detrimental effects of hazardous trade, the United Nations established a committee of experts specialising in the transportation of hazardous goods. The committee provides best practises governing the conveyance of hazardous materials and goods for land including road and railway; air as well as sea transportation. These best practises are constantly updated to remain current and relevant. There are various other international bodies who provide greater detail and guidance for specific modes of transportation such as the International Maritime Organisation (IMO) by means of the International Maritime Code and the International Civil Aviation Organisation (ICAO) via the Technical Instructions for the safe transport of dangerous goods by air as well as the International Air Transport Association (IATA) who provides regulations for the transport of dangerous goods. These guidelines prescribed by the international authorities are applicable to the South African land, sea and air transportation of hazardous materials and goods. In addition to these rules and regulations to International best practice, South Africa has also implemented common laws which are laws based on custom and practise. Common laws are a vital part of maintaining public order and forms the basis of case laws. Case laws, using the principles of common law are interpretations and decisions of statutes made by courts. Acts of parliament are determinations and regulations by parliament which form the foundation of statutory law. Statutory laws are published in the government gazette or on the official website. Lastly, subordinate legislation are the bylaws issued by local authorities and authorised by