You will require this approval if you intend to operate a security controlled airport or prescribed air service.
A Transport Security Program (TSP) details how to handle security risks in your operations, covering areas such as technology, equipment and procedures to be used to maintain security, and how to respond to security incidents. It also allows provision for change of zones for airside and landside special event zoning as required.
Your program will demonstrate that you are aware of your general responsibility to contribute to the maintenance of aviation security and have developed an integrated, responsible and proactive approach to managing aviation security.