ISO 3166-2:ZA by the ISO 3166 Maintenance Agency (ISO 3166/MA). ISO 639-1 codes are used to represent subdivision names in the following administrative languages: "Click on the button in the header to sort each column." The following changes to the entry have been announced in newsletters by the ISO 3166/MA since the first publication of ISO 3166-2 in 1998: ISO 3166-2:ZA ISO 3166-2:ZA is the entry for South Africa in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all
The Helsinki Rules on the Uses of the Waters of International Rivers aquifers, but only those connected to a river. Accordingly, the United Nations decided in 1970 to create a more inclusive set of guidelines, which after more than twenty years of investigation by the International Law Commission resulted in the adopting of the Convention on the Law of Non-Navigational Uses of International Watercourses in 1997. The ILA itself addressed this limitation in adopting the Rules on International Groundwaters, also known as the Seoul Rules, in Seoul, Korea in 1986 and the Berlin Rules on Water Resources in 2004, which superseded this guideline. The Helsinki Rules on the Uses of the Waters