Nurses, physical education teachers, marching band directors, coaches, athletic trainers, or chief sponsors of an extracurricular ath­letic activity (including cheerleading) that is sponsored or sanctioned by the district or University Interscholastic League (UIL) must maintain and submit to the district proof of current certification in first aid, cardiopulmonary resuscitation (CPR), and the use of an automated external defibrillator (AED). Certification must be issued by the American Red Cross, the American Heart Association, or another organization that provides equivalent training and certification.