Ed. Code, § 49475

(a) If a school district, charter school, or private school elects to offer an athletic program, the school district, charter school, or private school shall comply with both of the following:

(1) An athlete who is suspected of sustaining a concussion or head injury in an athletic activity shall be immediately removed from the athletic activity for the remainder of the day, and shall not be permitted to return to the athletic activity until he or she is evaluated by a licensed health care provider. The athlete shall not be permitted to return to the athletic activity until he or she receives written clearance to return to the athletic activity from a licensed health care provider. If the licensed health care provider determines that the athlete sustained a concussion or a head injury, the athlete shall also complete a graduated return-to-play protocol of no less than seven days in duration under the supervision of a licensed health care provider. The California Interscholastic Federation is urged to work in consultation with the American Academy of Pediatrics and the American Medical Society for Sports Medicine to develop and adopt rules and protocols to implement this paragraph.

(2) On a yearly basis, a concussion and head injury information sheet shall be signed and returned by the athlete and the athlete’s parent or guardian before the athlete initiates practice or competition.

(b) As used in this section, “licensed health care provider” means a licensed health care provider who is trained in the management of concussions and is acting within the scope of his or her practice.

(c) This section does not apply to an athlete engaging in an athletic activity during the regular schoolday or as part of a physical education course required pursuant to subdivision (d) of Section 51220.