Kazakhstan - Cyprus Double Tax Treaty The double tax treaty between Cyprus and Kazakhstan was signed in Nursultan, Kazakhstan on 15th of May 2019 (the “Treaty”). The Treaty is based on the OECD Model Tax Convention, a model for countries concluding bilateral tax treaties, aiming in removing tax related barriers to cross border trade and investment by implementing provisions for the avoidance of double taxation on income and capital gains tax. Main Provisions of the Treaty: 1.