
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/761852/05_December-_EU_Exit_Attorney_General_s_legal_advice_to_Cabinet_on_the_Withdrawal_Agreement_and_the_Protocol_on_Ireland-Northern_Ireland.pdf

https://www.gov.scot/binaries/content/documents/govscot/publications/publication/2019/12/scotlands-right-choose-putting-scotlands-future-scotlands-hands/documents/scotlands-right-to-choose-putting-scotlands-future-in-scotlands-hands/scotlands-right-to-choose-putting-scotlands-future-in-scotlands-hands/govscot%3Adocument/scotlands-right-choose-putting-scotlands-future-scotlands-hands.pdf

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/836116/Explanatory_Note_Accessible.pdf