F-Zero License Card
An F-Zero License Card is Both an in-Game and Real World Object.
Real World
A Printed F-Zero License Card May Be Purchased From any F-Zero AX Machine for various Prices. It is Used In Conjunction with The Nintendo Gamecube Memory Card To both provide Connectivity Between F-Zero GX and F-Zero AX, and To Store Memory of the Player's Data for F-Zero AX.
In-Game
An F-Zero License is Required to Participate In official F-Zero Tournaments. it is Assumed that they Funcion In a smilar Manner To it's Real life Counterpart, That is, Providing ID, Keeping Track of one's Costom Machines, and Displaying A Pilot's Rank And other Achievements.