The requirements for a common interoperable government credential that can be used for logical and physical access control. This requirement also influenced similar smart card credentials for the department of security and Airports and Ports, to replace its legacy credentials with the newer smart cards.

The process of issuing and enrollment of these smart cards has driven tighter integration of enrollment and smart card authentication requirements with the physical access control systems (PACS).

There is also a move towards modernization of older legacy systems to more robust computing platforms and open system architecture for integration and interoperability with other sub-systems such as Visitor management, IDS, CCTV and building systems.