
http://www.res.org.uk/view/art4Apr17Features.html

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/704057/Policy_Note_-_Exceptions_and_Licences.pdf

https://www.theguardian.com/politics/2018/jul/18/dairy-products-may-become-luxuries-after-uk-leaves-eu