In jurisdiction for many years prostitution was considered to be immoral. This sexual service was seen as a business which offended against good morals and was therefore declared null and void.
When the prostitution law Prostitutionsgesetz contracts for sexual services were declared valid, i.e. there is a legal claim to the agreed wage Lohn .
The prostitution law affects other legal areas where prostitution continues to be referred to as "trading in fornication" or "aiding and abetting fornication". Changes in the law are needed here.