https://www.gov.uk/guidance/status-of-eu-nationals-in-the-uk-what-you-need-to-know
http://www.nhsconfed.org/-/media/Confederation/Files/public-access/Securing-the-future.pdf?dl=1
https://ec.europa.eu/commission/sites/beta-political/files/draft_withdrawal_agreement.pdf
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/878352/Freeports_Consultation_Extension.pdf