Britain is one of only a handful of nations that has an uncodified constitution. The problem with an uncodified constitution is that it relies on the parties involved to continue to respect it. If they don’t, a constitutional crisis ensues. If there is a vote of no confidence in Boris Johnson and he refuses to resign, the UK is in uncharted territory, without a map. “This is fundamental to how the relationship between government and parliament has been understood in the UK,” says Daniel Gover, lecturer in British politics at Queen Mary University of London, “[but] it is not written down anywhere as a legal requirement.”Find out more