These guidelines were drafted by the Re-introduction Specialist Group of the Species Survival Commission, and approved by the 41st Meeting of IUCN Council in May 1995. The definition of "re-introduction" is "an attempt to establish a species in an area which was once part of its historical range, but from which it has been extirpated or become extinct".
Available also in separate English, French, Spanish, Chinese, Russian, Arabic editions which include also the text in English. See German version