The Retained EU Law (Revocation and Reform) Act 2023 (REUL(RR)A 2023) contains a range of legislative powers, enabling relevant national authorities to reform retained EU law (REUL) by introducing secondary legislation to amend, revoke, restate and/or replace REUL and assimilated law. The main legislative powers are set out in REUL(RR)A 2023, ss 11–16. The main procedural requirements (including parliamentary scrutiny procedures) for these instruments are set out in REUL(RR)A 2023, s 20 and Schs 4–5. REUL(RR)A 2023 sifting process—background Under REUL(RR)A 2023, before certain statutory instruments (described here as ‘REUL reform SIs’) are formally laid in Parliament, they have to go through a preliminary sifting process to confirm the appropriate parliamentary procedure. The sifting process is outlined in REUL(RR)A 2023, Sch 5 Pt 2, para 6. Under