https://www.gov.uk/government/publications/information-about-the-withdrawal-bill
https://institute.global/news/customs-and-exiting-european-union
https://www.friendsofeurope.org/sites/default/files/media-files/uk_report_web.pdf
https://www.niesr.ac.uk/wp-content/uploads/2023/11/JC760-NIESR-Outlook-Autumn-2023-Global-Topical-Feature-v2.pdf