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

https://www.gov.uk/government/news/david-davis-teesport-speech-implementation-period-a-bridge-to-the-future-partnership-between-the-uk-eu

https://www.publications.parliament.uk/pa/ld201617/ldselect/ldeucom/78/78.pdf