
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/650455/customs_bill_white_paper_print.pdf

http://ukandeu.ac.uk/for-the-third-time-we-surveyed-mps-on-their-attitude-to-brexit-and-the-results-were-fascinating/

https://theconversation.com/eu-citizens-proposal-a-lawyer-examines-the-detail-80111