This document details the requirements for listed entities to maintain a structured digital database under Regulation 3(5) of the SEBI PIT Regulations 2015. It explains when such a database is mandatory, particularly concerning the communication of unpublished price-sensitive information (UPSI) related to open offers or general dissemination. The database must record details of individuals or entities with whom information is shared, including their PAN or equivalent identifier. For listed companies and company secretaries, this guide clarifies compliance obligations.