https://ec.europa.eu/info/sites/info/files/com-2018-890-final.pdf
https://publications.parliament.uk/pa/ld201719/ldselect/ldeucom/63/63.pdf
https://publications.parliament.uk/pa/bills/cbill/2017-2019/0005/18005.pdf
https://www.gov.uk/government/speeches/eu-speech-at-bloomberg