http://europa.eu/rapid/press-release_IP-18-463_en.htm
https://blogs.lse.ac.uk/brexit/2020/10/22/the-cost-of-brexit-is-likely-to-be-more-than-double-that-of-covid-it-must-be-delayed/
https://www.opendemocracy.net/en/opendemocracyuk/customs-union-leaves-everything-play-trade-justice/?utm_source=Daily+Newsletter&utm_campaign=f531c721c4-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-f531c721c4-407405485
https://www.publications.parliament.uk/pa/cm201617/cmselect/cmwomeq/799/799.pdf