The new commentary 2012 of sections 134-138 addresses the fundamental provisions on violations of moral principles and on statutory prohibition, while taking into account current trends such as the control of violations of moral principles regarding divorce agreements and employment law. The up-to-date alphabetical overview of particular cases regarding the statutory prohibition under consideration of federal, state, European and international law is particularly noteworthy. Focused on practice-related aspects, this volume offers current commentary on the statutory (section 135) and official (section 136) prohibition on disposal, as well as on the prohibition of dispositions in a legal transaction (section 137), which is of significant importance to providing guidelines for legal matters. An essential reference work for all attorneys.