"The UK Government has produced a series of technical notices about what we should be prepared for should we leave the EU on March 29th 2019 with no deal. This is a series of articles which hopes to inform readers how a Brexit no deal will affect you, businesses and industry in the UK."
https://theorkneynews.scot/2018/10/30/how-to-prepare-if-the-uk-leaves-the-eu-with-no-deal-flying/