Click the link below, then click on the Order Course button under the Concussion in Sports headline. You will have to register using your email address, and after a somewhat involved registration process can eventually order the training course.
http://nfhslearn.com/courses/61037
Upon completion of the course download and print the certificate of completion. The certificate of completion should be available for Little League officials for various events.
Additionally, on a yearly basis, a concussion and head injury information sheet shall be signed and returned by the athlete's parent or guardianbefore the athlete's initiating practice or competition. The following documents are provided to meet this requirement:
http://www.cifstate.org/sports-medicine/concussions/CIF_Concussion_Info_Sheet.pdf
http://www.cifstate.org/sports-medicine/concussions/CIF_Acute_Concussion_Notification_Form.pdf
http://www.cifstate.org/sports-medicine/concussions/CIF_Graded_Concussion_Symptom_Checklist.pdf