Current Covid-19 regulations of the state of Baden-Württemberg: (For information on the Corona ordinance in other Languages follow this link and scroll down to “Corona-Verordnung in anderen Sprachen / Corona Ordinance in other Languages”) https://www.baden-wuerttemberg.de/de/service/aktuelle-infos-zu-corona/aktuelle-corona-verordnung-des-landes-baden-wuerttemberg/
Current Covid-19 regulations in Tübingen: https://www.tuebingen.de/corona-regeln
