FWIW there's been another reform in Germany. Brothels and prostitution are legal, provided prostitutes register with the police. The police registration is a bit of paperwork and an interview every 6/12 months, the goal of the interview is to uncover trafficking.

Skipping that interview is a crime for the brothel owner, not just the prostitute.

Two weeks after the reform, about 90% of prostitutes in Munich had been interviewed (mostly before it was formally required): http://www.sueddeutsche.de/muenchen/prostitutionsschutzgeset...