This Practice Note is one of three that provides an overview of the prudential regulatory framework applicable to UK life and general insurers and reinsurers that fall within the scope of the Directive 2009/138/EC, Solvency II Directive, as amended, following the implementation of Solvency II on 1 January 2016. This Practice Note focuses on the Pillar 2 and Pillar 3 requirements applicable to insurers. On 10 December 2018, the Senior Managers and Certification Regime was extended to insurers and it replaced the Senior Insurance Managers Regime, representing further strengthening of the regulatory regime applicable to managers.