May employers collect private mobile numbers or other private contact details from employees in order to be able to warn or urge employees to stay at home at short notice in the event of plant closure or similar cases?
In the opinion of the State Commissioner for Data Protection and Freedom of Information of Baden-Wuerttemberg (“Data Protection Supervision BW”), this is ONLY permissible with the consent of the employee. Also in our opinion, no other permission norm is applicable. MORE.