RJ, here is what she told me:
Below please see your one time use promo code and password.
Event Year: 2015
Event Code: DT1
Category: SS
Promo Code: 1DT1
Password: BTPL5WWC
Login Page:
www.nhra.com/racercredentials
NHRA Competition Licensing Department
626-914-4761
Be sure to click on "Register" on that page. They then email the link you need to print them.