-Register for a SimRaceCar.com account (this is done to guarantee you are using a different filename then everyone else)
-Scroll down to the text menu
-Click on "Apply for membership to an existing league set"
-Select the league that you currently belong to from the drop down list, then click "apply".
-An email will be sent to your League Administrator asking for approval in to that league's car set. (Please give your league admin time to approve you)
-Once your League Administrator approves you, an e-mail notification comes back to you letting you know you are approved.
-The next time you go in to the "Upload A Car" section of your profile, you will see that league now in the list.