http://www.assemblee-nationale.fr/14/pdf/rap-info/i4485.pdf
https://publications.parliament.uk/pa/bills/cbill/2017-2019/0005/18005.pdf
https://www.esri.ie/system/files/publications/QEC2019SPR_SA_Bergin.pdf
https://www.gov.uk/government/news/programme-for-fourth-round-of-uk-eu-article-50-negotiations