Home2013 Treaties and Agreements ...Spain (13-1209) – Agreement to Improve International Tax Compliance and to Implement FATCA hide Spain (13-1209) – Agreement to Improve International Tax Compliance and to Implement FATCA TIAS Office of Treaty Affairs December 9, 2013 Taxation: Foreign Account Tax Compliance Agreement signed at Madrid May 14, 2013; entered into force December 9, 2013. With annexes. Download attachment [4 MB] Tags Spain Taxation Treaties