In answering this Q&A, we have limited the research to cover the position where the trust property and trustees are in the UK. In May 2017, Form 41G, the old form for notifying HMRC about a trust, was withdrawn and replaced by the HMRC online Trusts Registration Service, which is known as the TRS in relation to the registration of trusts. Under the Money Laundering, Terrorist Financing and Transfer of Funds (Information on the Payer) Regulations 2017 (MLR 2017), SI 2017/692, trustees of ‘relevant trusts’ are obliged to maintain accurate and up to date written records of all beneficial owners of the trust (settlor(s), trustee(s), beneficiaries and anyone else with control over the trust) and of any potential beneficiaries (eg those referred to as such in a document from the settlor relating to the trust, such as a letter of