Home2017 Treaties and Agreements ...Anguilla (17-622.1) – Agreement to Improve International Tax Compliance and to Implement the Foreign Account Tax Compliance Act hide Anguilla (17-622.1) – Agreement to Improve International Tax Compliance and to Implement the Foreign Account Tax Compliance Act TIAS Office of Treaty Affairs June 22, 2017 Taxation: Foreign Account Tax Compliance Agreement signed at London and The Valley, Anguilla, January 9 and 15, 2017; entered into force June 22, 2017. With annexes. Download Agreement [2 MB] Tags Taxation Treaties