Can a company ask if the employee has another job?

As of 26 April this year, employers can no longer prohibit their workers from any additional employment. Restrictions under non-competition agreements are permissible. In the context of the new provisions there is a question whether they exclude or limit the broadly defined loyalty to the employer that stems from the widely understood duty to care for workplace welfare. – Sławomir Paruch and Anna Kencel comment for Rzeczpospolita.

Article: here.