
https://ukandeu.ac.uk/wp-content/uploads/2022/10/UKICE-Northern-Ireland-Protocol-Bill.pdf

http://www.conservativehome.com/parliament/2016/04/theresa-mays-speech-on-brexit-full-text.html

https://www.iod.com/Portals/0/PDFs/Campaigns%20and%20Reports/Europe%20and%20trade/IoD-Customising-Brexit.pdf?ver=2018-02-15-083137-800