German law sets the terms on which lawyers and doctors may advertise. A lawyer may advertise only soweit sie über die berufliche Tätigkeit in Form und Inhalt sachlich unterrichtet, as far as the advertising informs about the professional work in a factual way, in form and content. It may not aim at obtaining a particular mandate. The model professional code for doctors uses the same word. Doctors may give sachliche berufsbezogene Informationen, factual information about their work. Advertising that breaks professional rules is forbidden. The model code names three kinds in particular: advertising that praises, advertising that misleads, and advertising that compares.