The Highway Code be taken into account by a court. The mandatory rules reflect the Statute Law, which may (and usually does) provide a separate penalty. The highway code was first published in 1931 as a booklet and has been regularly updated to reflect current practices. It is prepared by the Department for Transport and the Driver and Vehicle Standards Agency, and is published by The Stationery Office in electronic form and as a printed book. Most copies are bought by learner drivers preparing for their driving test. In 2004, for example, over one million copies of the Highway Code were sold. The
Validly published name Validly published name In botanical nomenclature, a validly published name is a name that meets the requirements in the "International Code of Nomenclature for algae, fungi, and plants" for valid publication. Valid publication of a name represents the minimum requirements for a botanical name to exist: terms that appear to be names but have not been validly published are referred to in the "ICN" as "designations". A validly published name may not satisfy all the requirements to be "legitimate". It is also not necessarily the correct name for a particular taxon and rank. Nevertheless, invalid names ("nomen invalidum", "nom. inval.")