If reminders are ignored this can have an entry with the Schufa to the consequence. A bad credit rating is the consequence. But starting from when reminders are considered actually as delivered.
It is incomprehensible to many concerning where the Schufa takes the right to store the own data. Why do you have to sign a consent at the doctor, while Schufa calculates a score based on address data?
Reputationsrecht – Was darf die Presse eigentlich – Grundlagen des Rechtsschutzes 
5.000 € Schadenersatz – Grundlagen Verstoß gegen die Datenschutzgrundverordnung 
Schufarecht – helfen einstweilige Anordnungen? Eile, Eile, Lösche! 
Schufarecht – Die Schufa muss Insolvenzunterlagen löschen 
Niedersachsens Küsten: Möwengeschrei, Sonnenbaden, Ebbe und Flut