https://ec.europa.eu/info/sites/info/files/com-2018-890-final.pdf
https://publications.parliament.uk/pa/cm201719/cmselect/cmfaff/514/514.pdf
https://ukandeu.ac.uk/the-uk-internal-market-bill-breaking-law-and-reputation/?mc_cid=7627d659c2&mc_eid=815b1928ec
https://ukandeu.ac.uk/trade-migration-and-brexit/