EN
The paper refers to the problem of prohibition of competition imposed on the members of the board of directors and the supervisory board of a cooperative. The Author analyses the concepts of "competitive business" and "competitive activity" and their mutual relationship, as well as the consequences of non-compliance with the prohibition. On the basis of interpretation of the existing legal provisions and views of judicature, the Author enunciates de lege ferenda conclusions in terms of their clarification and elimination of doubts.