California Code, Health and Safety Code - HSC § 124242

(a) Establish youth tackle football participant divisions that are organized by relative age or weight or by both age and weight.

(b) Retain information from which the names of individuals shall not be identified for the tracking of youth sports injuries. This information shall include the type of injury, the medical treatment received by the youth tackle football participant, and return to play protocols followed by the participant pursuant to subdivision (l) of Section 124241.