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
Convention on the Law of the Non-Navigational Uses of International Watercourses United Nations in 1970 to prepare viable international guidelines for water use comparable to The Helsinki Rules on the Uses of the Waters of International Rivers, which had been approved by the International Law Association in 1966 but which failed to address aquifers that were not connected to a drainage basin. After the ILC completed its project in 1994, the UN Sixth Committee drafted the Convention on the Law of Non-Navigational Uses of International Watercourses based on their proposal. The General Assembly adopted the document on 21 May 1997 with only three dissenting in a vote of 106. The document