Registration closed July 31, 2017 11:59 PM at 2017-07-31T21:59:00-0700 Registration ends July 31, 2017 11:59 PM at 2017-07-31T21:59:00-0700 Registration opens January 1, 2017 12:00 AM at 2016-12-31T22:00:00-0800 Registration runs from January 1, 2017 12:00 AM to July 31, 2017 11:59 PM
The only requirement here is that you have a MotorsportReg account. Once you've created an account you can purchase the event 3-Pack. The credits acquired from this purchase expire at the end of the calendar year.