Does a face mask have to be worn? For your own protection, we recommend that you bring a mask with you and wear it, for example, if the distance is less than 1.5 m or indoors. Of course, you can continue to wear it in all situations if you wish. Vincent Völker2022-04-21T12:08:37+02:0017. June 2021|Covid-19 protective measures| Share This Story, Choose Your Platform!