You're all over this comments thread trying to say black is white (let me guess, you're pro UK and pro Brexit?), but I refer you to my comment here: https://new

You're all over this comments thread trying to say black is white (let me guess, you're pro UK and pro Brexit?), but I refer you to my comment here: https://news.ycombinator.com/item?id=35562072 https://news.ycombinator.com/item?id=35562072 I rephrase, technically I haven't needed to carry my driving license for the last several years of my driving career, but legally, I may be asked to present it at any time. I'd take the advice of the website cited above rather than believe you. I.e. you could be asked to prove that you're a UK/Irish citizen (easiest with ID or passport), and if you're a EU citizen entering the UK (the website even mentions crossing the Irish sea to enter Great Britain), you have to have a passport (although you might not be asked for it). Before Brexit, the UK was part of the EU, and other EUians was allowed to enter it with just their ID card. So...