Home1999 Treaties and Agreements ...United Kingdom (13031) – Agreement on Behalf of the Turks and Caicos Islands Relating to Investment Guarantees hide United Kingdom (13031) – Agreement on Behalf of the Turks and Caicos Islands Relating to Investment Guarantees TIAS Office of Treaty Affairs April 20, 1999 Finance: Investment Guaranties Agreement signed at Washington April 20, 1999; Entered into force April 20, 1999. Download Attachment [334 KB] Tags Finance Treaties United Kingdom