Home2023 Treaties and Agreements ...Argentina (23-101.1) – Agreement to Improve International Tax Compliance and to Implement FATCA hide Argentina (23-101.1) – Agreement to Improve International Tax Compliance and to Implement FATCA TIAS Office of Treaty Affairs January 1, 2023 Taxation: Foreign Account Tax Compliance Signed at Buenos Aires December 5, 2022; entered into force January 1, 2023. With Annexes. Download Agreement [5 MB] Tags Argentina Compliance Taxation Treaties