An overview of section 5(4) of and Schedule 1 to the European Union (Withdrawal) Act 2018 (exceptions to savings and incorporation), as amended by the Retained EU Law (Revocation and Reform) Act 2023. These provisions excluded certain elements of EU law from being retained in UK law following the end of the post-Brexit transition period, except under limited circumstances. Matters covered include the Charter of Fundamental Rights, challenges to retained EU law based on invalidity of EU law, general principles of EU law, and Francovich damages claims.