USAH & GSYHA registration (please complete the GSYHA section):
http://www.grizzlyhockey.com/registration.html

Coaching certification clinics (CEP) & Age specific modules (USAH is actively updating this on a weekly basis):
http://www.usahockey.com/Template_USAHockey.aspx?Nav=CO&ID=19344

CAHA registration/background check (mandatory, needs to be updated yearly):
https://www.rockymountainregister.com/enroll/caha-mc/login.asp?programid=2

Concussion training (now mandatory to coach in Colorado/CAHA):
http://www.cdc.gov/concussion/HeadsUp/Training/HeadsUpConcussion.html