https://www.nao.org.uk/wp-content/uploads/2022/05/Regulating-after-EU-Exit.pdf
http://blogs.lse.ac.uk/brexit/2017/09/28/the-eu-referendum-was-gerrymandered/
http://www.cer.eu/sites/default/files/pb_ireland_brexit_6.7.17.pdf
https://www.pymnts.com/news/b2b-payments/2020/deloitte-becomes-first-of-big-four-to-break-up-business/