Adopted on April 14 and signed on April 18 in Vienna, Austria. Summary from the United Nations (see first link below): "The Vienna Convention provides a complete framework for the establishment, maintenance and termination of diplomatic relations on a basis of consent between independent sovereign States. It specifies the functions of diplomatic missions, the formal rules regulating appointments, declarations of persona non grata of a diplomat who has in some way given offense, and precedence among heads of missions."
* Summary and history (from untreaty.un.org): @
* Full text: @
* Participants, declarations and reservations: @
* Anniversary website: @