http://fedtrust.co.uk/a-chaotic-brexit-is-still-a-possibility/
http://www.europarl.europa.eu/RegData/etudes/STUD/2017/602028/IPOL_STU(2017)602028_EN.pdf
https://ahdb.org.uk/documents/Horizon_meatanddairy_Sept2017.pdf
https://www.nao.org.uk/wp-content/uploads/2022/05/Regulating-after-EU-Exit.pdf