https://thecritic.co.uk/take-trade-experts-and-their-models-with-a-bucket-of-salt/
https://www.gov.uk/government/news/joint-article-a-deep-and-special-partnership
https://www.cecimo.eu/wp-content/uploads/2022/01/OP0122_Paper.pdf
https://centreforbrexitpolicy.org.uk/wp-content/uploads/2020/07/REPLACING-THE-WITHDRAWAL-AGREEMENT-How-to-ensure-the-UK-takes-back-control-on-exiting-the-transition-period-12-July-20.pdf