https://www.publications.parliament.uk/pa/cm201617/cmselect/cmintrade/817/817.pdf
https://ec.europa.eu/commission/publications/position-paper-transmitted-eu27-judicial-cooperation-civil-and-commercial-matters_en
https://publications.parliament.uk/pa/bills/cbill/58-03/0204/220204.pdf
https://www.instituteforgovernment.org.uk/sites/default/files/publications/IfG_Brexit_customs_WEB.pdf