From RugbyLaw.Blogspot.com, the IRB have created a strong set of concussion guidelines...
(follow RugbyLaw's analysis here)
RuckingInsurance.com has a unique program for concussion monitoring. Each player is given a pre-Season brain scan, and educational materials are distributed to both parents and coaches. Plus, online trainings in concussion awareness. Rugby insurance for any youth program would be incomplete IMHO without have this simple add on.
Do you have a concussion program for your youth sports association?