https://blogs.sussex.ac.uk/uktpo/2017/09/01/the-eu-regulatory-magnet/
https://www.publications.parliament.uk/pa/ld201617/ldselect/ldeucom/116/116.pdf
http://www.telegraph.co.uk/news/0/tory-dup-deal-agreement-full/
https://www.bruegel.org/2022/02/preparing-for-the-first-winter-without-russian-gas/