Home2009 Treaties and Agreements ...Liechtenstein (09-1204) – Agreement on Tax Cooperation and the Exchange of Information Relating to Taxes hide Liechtenstein (09-1204) – Agreement on Tax Cooperation and the Exchange of Information Relating to Taxes TIAS Office of Treaty Affairs December 4, 2009 Taxation: Information Exchange Agreement signed at Vaduz December 8, 2008; entered into force December 4, 2009. With appendix. Download attachment [904 KB] Tags Liechtenstein Taxation Treaties