This Practice Note examines the post-Brexit requirements of the Financial Conduct Authority (FCA) in relation to tied agents, including FCA-registered tied agents, and covers (1) the FCA definition of a tied agent, (2) UK requirements for firms appointing tied agents, (3) notification requirements, (4) termination requirements, and (5) record-keeping requirements. For information on the appointed representative (AR) regime, see Practice Notes: • Appointed representatives • A principal's responsibility for its appointed representatives • Multiple principals and appointed representatives • Contract requirements for appointed representatives For information on the EU regime for tied agents, see Practice Note: EU tied agents. FCA definition of a tied agent In the FCA Handbook, a tied agent is defined as a person who acts for and under the responsibility of a MiFID investment firm (or a third country investment firm) in respect of MiFID business (or the equivalent business of the third country investment firm). Chapter 12 of the Supervision manual (SUP) in the FCA Handbook applies to tied agents that are appointed by a MiFID investment firm. A tied