Quittierungspflicht des Empfangs bei der amtlicherseits häufig verwendeten Postzustellungsurkunde durch den Empfänger, bzw. Postzusteller

This question concerns the requirement for recipients to acknowledge receipt of official mail, particularly when delivered by postal services using a certificate of delivery. It addresses the legal implications and practicalities of this process. The inquiry focuses on the responsibilities of both the recipient and the postal service in confirming delivery and the potential consequences of non-acknowledgement.