ContextConcussion legislation has been enacted in all 50 of the United States, aiming to prevent mild traumatic brain injuries and the potential long-term sequelae of these injuries in youth athletics. Sports medicine providers, in addressing this major public health concern, are tasked with adhering to the established standards of medical care while also considering the legal implications.Evidence acquisitionThe PubMed (2011-2016) database was searched using the following search terms: concussion, sports concussion, legislation, and concussion legislation. References from consensus statements, review articles, and book chapters were also utilized.Study designClinical review.Level of evidenceLevel 4.ResultsThe Lystedt law and its progeny have increased awareness of the signs and symptoms of sports concussion, but adherence to state legislation can pose some challenges.ConclusionThe presence of concussion legislation places a responsibility on the sports medicine provider to have a firm understanding of the legality of concussion management in the state(s) in which they practice