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
Highway Beautification Act in the United States Code at 23 U.S.C. 131 (j). Its provisions still exist by reason of agreements with the states. The Bonus Act provided an incentive to states to control outdoor advertising within of the Interstate highway system. States which volunteered for the program would receive a bonus of one-half of one percent of the Federal highway construction costs on segments of Interstate highways controlling outdoor advertising. Two amendments were adopted which allowed outdoor advertising along portions of Interstate highways. The first amendment was known as the "Cotton Amendment", which exempted any areas adjacent to part of a right-of-way,