(4) (a) An athletic coach, or official involved in a youth athletic activity, or health care provider shall remove a person from the youth athletic activity if the coach, official, or health care provider determines that the person exhibits signs, symptoms, or behavior consistent with a concussion or head injury or the coach, official, or health care provider suspects the person has sustained a concussion or head injury. (b) A person who has been removed from a youth athletic activity under par. (a) may not participate in a youth athletic activity until he or she is evaluated by a health care provider and receives a written clearance to participate in the activity from the health care provider.

(5) (a) Any athletic coach, official involved in an athletic activity, or volunteer who fails to remove a person from a youth athletic activity under sub. (4)(a) is immune from civil liability for any injury resulting from that omission unless it constitutes gross negligence or willful or wanton misconduct. (b) Any volunteer who authorizes a person to participate in a youth athletic activity under sub. (4)(b) is immune from civil liability for any injury resulting from that act unless the act constitutes gross negligence or willful or wanton misconduct.