Interface: Knox County CAC Electronic Fare Payment System - Knox County CAC Vehicles
![Knox County CAC Electronic Fare Payment System to Knox County CAC Vehicles Interface Diagram](../../images/ifs/if84-89.png)
Information Flow Definitions
actuate secure payment (Planned)
Initiation of a payment action based on an encrypted token or biometric marker.
request for payment (Planned)
Request to deduct cost of service from user's payment account.