https://institute.global/news/tony-blair-parliaments-duty-brexit
https://publications.parliament.uk/pa/cm201719/cmselect/cmexeu/1778/1778.pdf
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/637748/Future_customs_arrangements_-_a_future_partnership_paper.pdf
https://www.gov.uk/guidance/status-of-eu-nationals-in-the-uk-what-you-need-to-know