Section 21 of Schedule 3, part 1 of the EU Withdrawal Act 2018 inserted that act into the list of statutes, contained in Schedule 4 of the Scotland Act 1998, that are protected from modification by the Scottish Parliament. 34 M Dougan et al, ‘UK Internal Market Bill, Devolution and the Union’ (2020) esp Q9, available at https://ukandeu.ac.uk/wp-content/uploads/2020/10/UK-internal-Market-Bill-devolution-and-the-union.pdf. 35 See, for example, European Union (Withdrawal) Act 2018 s 12 and Sch 3 Pt 1. 36 Internal Market Act 2020 ss 6, 8, 10, 18, 21 and Sch 3. 37 See Commons amendment 2, available at https://bills.parliament.uk/publications/45731/documents/1595. making regulations that otherwise sit within the sphere of devolved competence.