What conditions trigger the automatic release of Tender Security in the Bangladesh e-GP system?

Tender Security is a financial guarantee submitted by a tenderer to ensure the validity of the tender and the tenderer's commitment during the procurement process. Many users are uncertain about the circumstances under which Tender Security is released in the Bangladesh e-GP system. This question explains the conditions that trigger the automatic release of Tender Security, the situations where manual release by the Procuring Entity (PE) is required, and the applicable procedures under the e-GP system.