These Regulations are made in exercise of the powers in section 8 of the European Union (Withdrawal) Act 2018 (c.16) in order to address failures of retained EU law to operate effectively and other deficiencies arising from the withdrawal of the United Kingdom from the European Union (and in particular, the deficiencies under paragraphs (a), (d), (e) and (g) of section 8(2)). Part 2 of the Regulations amends the Insolvency Act 1986 (c. 45), the Financial Services and Markets Act 2000 (c. 8), the Income Tax Act 2007 (c. 3) and the Corporation Tax Act 2009 (c. 4). Part 3 amends secondary legislation relating to financial services, and revokes the European Cooperative Society Regulations 2006, the Recognised Auction Platforms Regulations 2011 and the Community Emissions Trading Scheme (Allocation of Allowances for Payment) Regulations 2012. Part 4 amends retained EU law, and revokes a number of EU Regulations and Decisions. Part 5 makes transitional provision in relation to insurance business transfer schemes, qualifying EU provisions, central securities depositories, the Consumer Credit (Amendment) (EU Exit) Regulations 2018 and group supervision.
Local copy of SI

https://beta.parliament.uk/statutory-instruments/MXQWL3Hy