Nonscheduled transport services with taxis and rental cars with driver[1] were of special importance for keeping up supply of transport capacity during the early German postwar period. Both services were operating on a highly regulated market where local communities determined the number of taxis and rental cars on the basis of the respective city population.

While the tariffs for taxis were regulated by the Federal State Governments and local communities were able to legislate their own taxi rules and therewith taxi tariffs on the basis of the federal laws, the tariffs of rentals cars were unregulated