Legislative background A UK‑resident trust will fall within the UK’s Automatic Exchange of Information (AEOI) regime primarily via the International Tax Compliance Regulations 2015 (SI 2015/878), as amended (the 'ITC Regulations'), which implement the UK’s obligations under (i) the Common Reporting Standard (CRS) and (ii) the UK‑US FATCA intergovernmental agreement (and related domestic mechanics). The AEOI regime imposes obligations on certain UK Financial Institutions (as defined) to collect and maintain information about the residence, and in the case of the USA the citizenship as well, of individuals and entities for whom they maintain financial accounts. For general information on CRS and FATCA, see Practice Note: Automatic exchange of information—outline. See also Practice Note: FATCA and UK Trusts. This Practice Note summarises the following key issues for trustees of a UK-resident trust to be aware of under the ITC Regulations: • Establishing whether the trust is a Financial Institution, and if so, whether it is a Reporting Financial Institution or a specified Non-reporting Financial Institution, such as a Trustee-Documented Trust • Registering the