
http://www.europarl.europa.eu/news/en/press-room/20171115IPR88120/ep-ready-to-start-talks-with-eu-governments-on-overhaul-of-dublin-system

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/878352/Freeports_Consultation_Extension.pdf

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/899991/200713_BPDG_-_Border_Operating_Model_FINAL_1320_edit.pdf