Washington state requires both player and parent to sign the Concussion form acknowledging they have received information about concussions and will follow concussion protocol. 

You must give a copy of the signed concussion form to your player's team manager before they can participate in practices or games. 

IF your player is double rostered on a Majors, Intermediate and/or Juniors team BOTH team managers must receive a copy of the signed concussion form. 

IF your player is selected for post season tournament play, the league player agent must also have a copy of the completed form for the tournament book.

Link to Concussion form.