To become an EPF agent....
you must recieve an invitation from another official agent.
you will then have to take the EPF agent test!
I will walk you through it..
hit the target with a snowball!
the green square should appear.. stand on it and when it says go, run to the red square.
Then It will tell you to hide from both cameras, camera one you are seeing through. camera two is over there, in order to win this, you must hit camera 2s lenses with a snowball.
then you must walk over to the blue square and hit the control panel with a snowball.
CONGRATS! Your an EPF!