As of May 2013, 48 states (plus the District of Columbia and the city of Chicago) have adopted youth concussion laws. The NFL supports and recognizes the laws as they represent the main principles of the Lystedt Law model legislation including:
Legislative updates on all 50 states are as follows:
- Alabama
Legislation passed with NFL support; Governor Robert Bentley signed youth concussion bill into law on June 9, 2011.
- Alaska
Legislation passed with NFL support; Governor Sean Parnell signed youth concussion bill into law on May 27, 2011.
- Arizona
Legislation passed with NFL support; Governor Jan Brewer signed youth concussion bill into law on April 18, 2011.
- Arkansas
Legislation passed with NFL support; Governor Mike Beebe signed youth concussion bill into law on April 12, 2013.
- California
Legislation passed with NFL support; Governor Jerry Brown signed youth concussion bill into law on Oct. 4, 2011.
- Colorado
Legislation passed with NFL support; Governor John Hickenlooper signed youth concussion bill into law on March 29, 2011.
- Connecticut
Legislation passed; Governor Jodi Rell signed youth concussion bill into law on May 19, 2010.
- District of Columbia
Legislation passed with NFL support; Mayor Vincent Gray signed youth concussion bill into law on July 27, 2011.
- Delaware
Legislation passed with NFL support; Governor Jack Markell signed youth concussion bill into law on August 31, 2011.
- Florida
Legislation passed with NFL support; Governor Rick Scott signed youth concussion bill into law on April 27, 2012.
- Georgia
Legislation passed with NFL support; Governor Nathan Deal signed youth concussion bill into law on April 23, 2013.
- Hawaii
Legislation passed with NFL support; Governor Neil Abercrombie signed youth concussion bill into law on July 3, 2012.
- Idaho
Legislation passed with NFL support; Governor Butch Otter signed youth concussion bill into law on April 3, 2012.
- Illinois
Legislation passed with support from the Chicago Bears; Governor Pat Quinn signed youth concussion bill into law on July 28, 2011.
- Indiana
Legislation passed with NFL support; Indiana Governor Mitch Daniels signed youth concussion bill into law on May 10, 2011.
- Iowa
Legislation passed with NFL support; Governor Terry Branstad signed youth concussion bill into law on April 7, 2011.
- Kansas
Legislation passed with NFL support; Governor Sam Brownback signed youth concussion bill into law on May 25, 2011.
- Kentucky
Legislation passed with NFL support; Governor Steve Beshear signed youth concussion bill into law on April 12, 2012.
- Louisiana
Legislation passed with NFL support; Governor Bobby Jindal signed youth concussion bill into law on June 29, 2011.
- Maine
Legislation passed with NFL support; Governor Paul LePage signed youth concussion bill into law on May 21, 2012.
- Maryland
Legislation passed with NFL support; Governor Martin O'Malley signed youth concussion bill into law on May 19, 2011.
- Massachusetts
Legislation passed; Governor Deval Patrick signed youth concussion bill into law on July 8, 2010.
- Michigan
Legislation passed with NFL support; Governor Rick Snyder signed youth concussion bill into law on Oct. 23, 2012.
- Minnesota
Legislation passed with NFL support; Governor Mark Dayton signed youth concussion bill into law on May 27, 2011.
- Mississippi
Legislation passed with NFL support; Governor Phil Bryant signed youth concussion bill into law on January 30, 2014. (http://billstatus.ls.state.ms.us/2014/pdf/history/HB/HB0048.xml)
- Missouri
Legislation passed with NFL support; Governor Jay Nixon signed youth concussion bill into law on July 8, 2011.
- Montana
Legislation passed with NFL support; Governor Steve Bullock signed youth concussion bill into law on April 22, 2013.
- Nebraska
Legislation passed with NFL support; Governor Dave Heineman signed youth concussion bill into law on April 14, 2011.
- Nevada
Legislation passed with NFL support; Governor Brian Sandoval signed youth concussion bill into law on May 31, 2011.
- New Hampshire
Legislation passed with NFL support; Governor John Lynch signed youth concussion bill into law on June 18, 2012.
- New Jersey
Legislation passed with NFL support; Governor Chris Christie signed youth concussion bill into law on Dec. 7, 2010.
- New Mexico
Legislation passed; Governor Bill Richardson signed youth concussion bill into law on March 9, 2010.
- New York
Legislation passed with NFL support; Governor Andrew Cuomo signed youth concussion bill into law on Sept. 17, 2011.
- North Carolina
Legislation passed with NFL support; Governor Bev Perdue signed youth concussion bill into law on June 16, 2011.
- North Dakota
Legislation passed with NFL support; Governor Jack Dalyrymple signed youth concussion bill into law on April 22, 2011.
- Ohio
Legislation passed with NFL support; Governor John Kasich signed youth concussion bill into law on Dec. 20, 2012.
- Oklahoma
Legislation passed; Governor Brad Henry signed youth concussion bill into law on May 13, 2010.
- Oregon
Legislation passed; Governor Ted Kulongowski signed youth concussion bill into law on June 18, 2009.
- Pennsylvania
Legislation passed with NFL support; Governor Tom Corbett signed youth concussion bill into law on Nov. 10, 2011.
- Rhode Island
Legislation passed; Governor Donald Carcieri signed youth concussion bill into law on June 9, 2010.
- South Carolina
Legislation passed with NFL support; Governor Nikki Haley signed youth concussion bill into law on June 7, 2013.
- South Dakota
Legislation passed with NFL support; Governor Dennis Daugaard signed youth concussion bill into law on March 17, 2011.
- Tennessee
Legislation passed with NFL support; Governor Bill Haslam signed youth concussion bill into law on April 12, 2013.
- Texas
Legislation passed with NFL support; Governor Rick Perry signed youth concussion bill into law on June 17, 2011.
- Utah
Legislation passed with NFL support; Governor Gary Herbert signed youth concussion bill into law on March 21, 2011.
- Vermont
Legislation passed with NFL support; Governor Pete Shumlin signed youth concussion bill into law on June 4, 2013.
- Virginia
Legislation passed; Governor Bob McDonnell signed youth concussion bill into law on April 11, 2010.
- Washington
Legislation passed with Seattle Seahawks' support; Governor Christine Gregoire signed the Zackery Lystedt youth concussion bill into law on May 9, 2009.
- West Virginia
Legislation passed with NFL support; Governor Earl Ray Tomblin signed youth concussion bill into law on May 29, 2013.
- Wisconsin
Legislation passed with NFL support; Governor Scott Walker signed youth concussion bill into law on April 2, 2012.
- Wyoming
Legislation passed; Governor Matt Mead signed youth concussion bill into law on March 10, 2011. Law differs from Lystedt Law.
