EN
The author analyzes the simulation and dissimulation, the effects of these two factors and the possibility of substitution with other labour law tasks. In the introduction the author presents historical origin of the employment contract and follows the legal concept of dependent work. In the interpretation of the essential characteristics of dependent work examines the distinction between essential characteristics of dependent work and its consequences. Subsequently author analyzes the simulation of legal acts and its legal consequences depending on the type of simulation as unilateral and mutlilateral simulation. It is explained the process of dissimulation and the particular conditions under which the act is recognized as valid. Finally the author proposes improvements of employment legislation.