https://ahdb.org.uk/documents/Horizon_meatanddairy_Sept2017.pdf
https://www.instituteforgovernment.org.uk/printpdf/10590
https://www.instituteforgovernment.org.uk/sites/default/files/publications/IfG_Brexit_customs_WEB.pdf
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/878352/Freeports_Consultation_Extension.pdf