
https://www.gov.uk/government/news/joint-article-a-deep-and-special-partnership

https://ec.europa.eu/commission/sites/beta-political/files/slides_on_uk_technical_note_on_temporary_customs_arrangements.pdf

http://news.sky.com/story/theresa-may-theres-no-economic-case-for-breaking-up-the-uk-10787816