DIAA follows NFHS recommendations
3.2 Concussion Protocol
3.2.1 If an athlete is suspected of sustaining a concussion or exhibits signs or symptoms of a concussion, he or she shall be removed from the practice or game immediately.
3.2.2 A Qualified Healthcare Professional shall determine whether an apparent concussion has occurred. The Qualified Healthcare Professional shall be approved by the host to provide on-site evaluations of athletes who are suspected of sustaining a concussion or exhibit signs or symptoms of a concussion. If a Qualified Healthcare Professional is not present or is not appointed or approved by the host, the injury shall be treated as a concussion and the athlete shall not return to play until he or she is evaluated by a Qualified Healthcare Professional in an appropriate medical setting.
3.2.3 If a Qualified Healthcare Professional determines that an athlete did not sustain a concussion, the athlete may return to play.
3.2.4 If a Qualified Healthcare Professional determines that the athlete sustained a concussion or is unable to rule out a concussion, the athlete shall be referred for further evaluation by a Qualified Physician. The athlete shall be ineligible to participate in practices, scrimmages, or contests until he or she receives written clearance from a Qualified Physician on the DIAA Acute Concussion Evaluation (ACE) and Return to Play Form.
3.2.5 Failure to comply with the requirements of this regulation shall result in the athlete being considered ineligible. The athlete and member school shall be penalized according to subsection 2.10 of this regulation.
3.2.6 If an official observes an apparent injury, the official shall report the injury to the athlete's coach.
3.2.7 The Sports Medicine Advisory Committee may recommend amendments to the Concussion Protocol to the Rules and Regulations Committee and the Board.