The principal UK requirements on anti-money laundering and know your customer checks—usually referred to as customer due diligence or CDD—at present are: • the Money Laundering, Terrorist Financing and Transfer of Funds (Information on the Payer) Regulations 2017 SI 2017/692 (2017 MLRs), which implement the Fourth Money Laundering Directive (EU) 2015/849 (MLD4) in the UK, and • Chapter 6.3 of the Senior Management Arrangements, Systems and Controls sourcebook in the Financial Conduct Authority (FCA) Handbook (SYSC 6.3) The 2017 MLRs apply to: • credit institutions • financial institutions • auditors, insolvency practitioners, external accountants and tax advisers • independent legal professionals • trust or company service providers • estate agents • high value dealers (ie a trader in goods who makes