The International Tropical Timber Agreement (ITTA) 1983) is an agreement to provide an effective framework for cooperation between tropical timber producers and consumers and to encourage the development of national policies aimed at sustainable utilization and conservation of tropical forests and their genetic resources.The International Tropical Timber Organization was established under this agreement which first opened for signature on 18 November 1983 then Entered into force on 1 April 1985. There were subsequent treaties with an increasing number of signatories in 1994 (ITTA2) and 2006 (ITTA3).