http://www.icaew.com/-/media/corporate/files/technical/economy/brexit/eu-exit-charge.ashx
https://ukandeu.ac.uk/wp-content/uploads/2024/03/UKICE-Brexit-and-the-State.pdf
http://www.europarl.europa.eu/RegData/etudes/STUD/2017/602028/IPOL_STU(2017)602028_EN.pdf
https://institute.global/news/tony-blair-parliaments-duty-brexit