https://ec.europa.eu/commission/sites/beta-political/files/joint_report.pdf
http://www.telegraph.co.uk/news/0/tory-dup-deal-agreement-full/
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
https://ec.europa.eu/commission/publications/position-paper-transmitted-eu27-goods-placed-market-under-union-law-withdrawal-date_en