The revised edition 2011 of provisions 611-613 focuses on the systematic presentation of the overall context of employment contract law from a civil law perspective. Particular attention should be drawn to the unique overview of collective employment law presented in this edition. Current topics of interest are extensively explained such as the monitoring of general terms and conditions, legal aspects of data protection and specific questions regarding the protective scope of the General Equal Treatment Act (Allgemeines Gleichbehandlungsgesetz, AGG). This edition also includes commentary on the diverse types of service contracts.