The Double Taxation Convention entered into force on 11 February 1983. We have a collection of global double taxation treaties in English (and other languages, if available) to help members ask questions. If you are having trouble finding a contract, please call the application team on +44 (0) 20 7920 8620 or email us at firstname.lastname@example.org. Our specialized tax databases allow us to provide current and historical tax rates, comparative tables and country surveys. We have recent summaries of the most important facts, as well as detailed analyses of the tax system in countries around the world that cover corporate taxation, individual taxation, companies and investments.