Interface: Regional Personal Traveler Card - PPA Field Devices
![Regional Personal Traveler Card to PPA Field Devices Interface Diagram](../../images/ifs/if59-73.png)
Information Flow Definitions
actuate secure payment (Existing)
Initiation of a payment action, ideally based on an encrypted token or biometric marker.
request for payment (Existing)
Request to deduct cost of service from user's payment account.