
https://g8fip1kplyr33r3krz5b97d1-wpengine.netdna-ssl.com/wp-content/uploads/2018/07/SelmayrSchmidNotetoUKstaffinEUDelegations.signed.pdf

https://www.parliament.uk/documents/commons-committees/culture-media-and-sport/Background%20paper%20-%202016%20Referendum%20Expenses%20Opinion%20-%20Matrix%20Chambers.pdf

https://www.gov.uk/government/news/programme-for-fourth-round-of-uk-eu-article-50-negotiations