Rule 240 of the Highway Code lists a seriesof places where motorists must not wait or park, including motorway hard shoulders and cycle lanes, but it does not mention bus stops.
Every year, Congress renews a seriesof tax breaks for individuals and specific industries, making temporary features of the tax code into a seemingly permanent fixture.
Nothing emerged to shake the prime minister's determination to stand by his culture secretary - this evening he has said his culture secretary did not break the ministerial code - but today's evidence and the latest in a seriesof Budget U-turns have shone a harsh light on the judgements made by the prime minister and his closest ally and adviser, the chancellor.