In order for a Duckie to appear on the Duck Duck Jeep World Map it needs to have an identifying code that is unique through the world. This unique code is called a Duckie Tag ID.
A Duckie Tag ID can be a handwritten code, a bar code, or a QR code. The process of activating the code reserves it for use by the person or organization globally.
Once activated, Duckie Tag ID remain property of the activator for all time. Activation requires a PRO Subscription, but an activated Duckie Tag ID will remain active even if the PRO Subscription is was activated with expires.