Welcome to the website of the Cayman Islands
Department for International Tax Cooperation

The Tax Information Authority (TIA) is the sole dedicated channel in the Cayman Islands for international cooperation on matters involving the provision of tax related information. The TIA is a function of the Department for Tax International Tax Cooperation. The TIA has statutory responsibility under the Tax Information Law (2016 Revision). 

This site includes all relevant laws, regulations, guidance notes and forms which relate to the Department for International Tax Cooperation’s operations. Please use the navigation buttons on the left for further details and .pdf file downloads.







AEOI News & Updates

AEOI Portal User Guide

© 2015 Department for International Tax Cooperation, Cayman Islands Government