Both nations have signed several bilateral agreements such as an Agreement on the Exchange of Diplomatic Communications (1919); Agreement of Governmental Cooperation (1983); Agreement of Touristic Cooperation (1990); Agreement of Cooperation to Combat Drug Trafficking and Drug Dependency (1992); Extradition Treaty (1993); Agreement of Technical and Scientific Cooperation (1995); Treaty of Cooperation on Mutual Legal Assistance in Criminal Matters (1997); Treaty on the Execution of Criminal Judgments (2000) and an Agreement on Educational and Cultural Cooperation (2000).[18]