Non-competition stems from general duties as well

This view is entirely valid. Both the duty to look after the welfare of the workplace and the non-competition agreement protect the same interest of the employer. The first tool protects at a general level, a contract can be much more specific and impose other related obligations on the employee and assign a number of additional rights to the employer. In practice, it is recommended that such an agreement is concluded, especially with employees in key positions from the employer’s perspective. – Kinga Polewka-Włoch comments for Rzeczpospolita.

Article: here.